[Botany • 2023] Ceropegia eshanensis (Apocynaceae: Asclepiadoideae) • A New Species from Yunnan, China

Ceropegia eshanensis X.D. Ma & J.Y. Shen,  

in Ma, Wang, Shi & Shen, 2023. 

峨山吊燈花  || taiwania.ntu.edu.tw

 facebook.com/TaiwaniaOffice

Abstract

Ceropegia eshanensis, a new species from Yimen, Yunnan, China, is described and illustrated. The species is presently placed in sect. Chionopegia, morphologically, it is similar to C. driophila and C. exigua, but clearly differs in its densely verrucose lenticellate old stems, leaf blades ovate to elliptic, 4–7 × 3–4.5 cm, glabrous, base broadly cuneate, slightly decurrent, longer peduncles. A comparison table of related species is provided.

Keyword: Ceropegia, Ceropegia driophila, Ceropegia exigua, Chionopegia, herbs, morphological, distribution, Eshan

   

Ceropegia eshanensis.
 A: Habitat. B: Plant. C: Stem showing the verrucose lenticels. D: Adaxial leaf surface. E: Abaxial leaf surface. F: Adaxial leaf surface enlarged. G: Abaxial leaf surface enlarged. H: Leaf margin enlarged showing the cilia. I: Inflorescence. J: Side view of sepal. K: Opened corolla, showing the color of the interior. L:Front view of gynostegium. M: Side view of gynostegium. N: Ovary. O: Pollinarium. P: Follicles.

Ceropegia eshanensis X.D. Ma & J.Y. Shen, sp. nov. 

峨山吊燈花

Diagnosis: This species clearly differs from C. driophila and C. exigua by having densely verrucose lenticellate old stems, leaf blades ovate to elliptic, glabrous, base broadly cuneate, slightly decurrent, longer peduncles. Moreover, it also easily distinguished from C. exigua by having longer petioles and interstaminal lobes divided into pairs of triangular teeth at apex.  

Etymology: This new species is named after the type locality, Eshan County. Distribution and habitat: This new species is currently known only from Fawu Village, Dalongtan Township, Eshan County, Yunnan Province, China, twining around branches in the thickets.

Xing-Da Ma, Wen-Guang Wang, Ji-Pu Shi and Jian-Yong Shen. 2023. Ceropegia eshanensis, A New Species of Apocynaceae from Yunnan, China. Taiwania. 68(1); 75-78. 

 taiwania.ntu.edu.tw/abstract/1908

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[Botany • 2020] Goniothalamus saccopetaloides (Annonaceae) • A New Species and Two New Records of Goniothalamus from Lao PDR

Goniothalamus saccopetaloides Y.H.Tan & Bin Yang,

in Yang, Zhu, Ding, Bouamanivong & Tan, 2020.

 DOI: 10.3897/phytokeys.138.38995

Abstract

Goniothalamus saccopetaloides Y.H. Tan & Bin Yang, a new species is described and illustrated from Laos. This species shows morphological similarities to G. yunnanensis W.T. Wang, but it differs from the latter by having almost fleshy, involute and saccate outer petals, subglobose monocarps, and single seeded monocarps. Goniothalamus cheliensis, and G. calvicarpus are new records for the Flora of Lao PDR. A key to Goniothalamus species indigenous to Laos is provided here.

Keywords: Goniothalamus, Laos, field survey, new species, new record

Goniothalamus saccopetaloides Y.H.Tan & Bin Yang, sp. nov.

 A habit B leafy branch C flowers on main trunk D fruits on main trunk E leaves (adaxial and abaxial surface) F flowers G–H dissected flowers I carpels J longitudinally dissected monocarp K seeds. 

Photographed by R.B. Zhu and B. Yang.

Goniothalamus saccopetaloides Y.H.Tan & Bin Yang, sp. nov.

 

Diagnosis: Goniothalamus saccopetaloides is morphologically similar to G. yunnanensis W.T. Wang with elliptic-oblong to oblong leaf blades and broadly lanceolate, pinkish orange to reddish brown outer petals, but easily distinguished by having almost fleshy, involute, saccate outer petals, subglobose and single seeded monocarps.

Etymology: The new species is named after its saccate and almost fleshy outer petals.

Bin Yang, Ren-Bin Zhu, Hong-Bo Ding, Somsanith Bouamanivong and Yun-Hong Tan. 2020. A New Species and Two New Records of Goniothalamus (Annonaceae) from Lao PDR.  In: Jin X-H, Xia N-H, Tan Y-H (Eds) Plant Diversity of Southeast Asia-II. PhytoKeys. 138; 17-25.  DOI: 10.3897/phytokeys.138.38995

  

[Botany • 2022] Globba depingiana (Zingiberaceae) • A New Species from southern Yunnan, China

 Globba depingiana Y.H. Tan & H.B. Ding, 

in Ding, Gong & Tan, 2022. 

DOI: 10.5735/085.059.0110  

Researchgate.net/publication/360073558

Globba depingiana Y.H. Tan & H.B. Ding (Zingiberaceae), a new species from southern Yunnan, China, is described and illustrated. Morphologically, it is similar to G. williamsiana in its pendent inflorescence with large persistent bracts but differs from it by its hairy lamina, shorter ligule and greenish yellow flowers with two dark yellow-green spots on the labellum.

 Globba depingiana Y.H. Tan & H.B. Ding, sp. nova

Etymology: The specific epithet depingiana honours Mr. De-Ping Ye (1977–2020), who dedicated his life tobotanical survey in south Yunnan, China.

Hong-Bo Ding, Yan-Xiong Gong and Yun-Hong Tan. 2022: Globba depingiana (Zingiberaceae), A New Species from Yunnan, China. Ann. Bot. Fennici. 59: 57–60. DOI: 10.5735/085.059.0110  

Researchgate.net/publication/360073558_Globba_depingiana_a_New_Species_from_Yunnan_China

[Botany • 2021] Trivalvaria tomentosa (Annonaceae) • A New Species from Southeast Yunnan, China

Trivalvaria tomentosa B.Xue, Y.H.Tan & Y.S.Chen,

in Xue, Li, Liao, ... et Chen, 2021. 

DOI: 10.1111/njb.03215

 facebook.com/NordicJBotany 

 english.XTBG.cas.cn

 

Abstract

Trivalvaria tomentosa sp. nov. is herein described from Yunnan Province in China. It is easily distinguished from all previously described Trivalvaria species by having tomentose twigs, petioles, abaxial surface of the leaves, sepals and petals. A detailed description for the new species, along with line drawings, photographs, as well as morphological comparisons with similar species, are provided. A phylogenetic analysis was conducted to confirm the placement of this new species within Trivalvaria.

Keywords: biodiversity, Malmeoideae, Miliuseae, phylogeny, taxonomy

Trivalvaria tomentosa B.Xue, Y.H.Tan & Y.S.Chen,
(A) Growth form of the plant, (B) branch, showing the rusty tomentose indumentum of the branch, petiole and margin at the leaf base, (C) flowring branch, showing the extra-axillary inflorescence with two flowers, (D) top view of a flower, (E) fruit, (F) transverse section of the seed.

– Photos: (A), (D), (E) and (F) by Jun-Jie Liao, (B) and (C) by Hai-Lei Zheng.

Trivalvaria tomentosa B.Xue, Y.H.Tan & Y.S.Chen, sp. nov. 

 

Etymology: The specific epithet refers to the tomentose indumentum on the twigs, leaves and flowers.

  

Bine Xue, Jian-Wu Li, Jun-Jie Liao, Ming-Zhong Mo, Yun-Hong Tan and You-Sheng Chen. 2021. Trivalvaria tomentosa (Annonaceae), A New Species from Southeast Yunnan, China. Nordic Journal of Botany. DOI: 10.1111/njb.03215

 facebook.com/NordicJBotany/photos/4374630992652448

New Trivalvaria species of custard apple family found in southeast Yunnan

 english.XTBG.cas.cn/rh/rp/202109/t20210903_282439.html

[Botany • 2020] Begonia puerensis (Begoniaceae) • A New Tuberous Species from Yunnan, China

Begonia puerensis W.G. Wang, X.D. Ma & J.Y. Shen

in Wang, Ma, Li, et al., 2020. 

普洱秋海棠 || DOI: 10.1111/njb.02618

Abstract

Begonia puerensis sp. nov., a new tuberous species of Begonia sect. Reichenheimia (Begoniaceae) from Yunnan, China is described and illustrated. The morphological similarity between the new species and the similar species B. discreta, B. harmandii and B. qingchengshanensis is compared and discussed and a key to Begonia sect. Reichenheimia in China is provided. The new species is assessed as Endangered (EN) following the IUCN Red List Categories and Criteria.

Keywords: Begonia, new taxon, taxonomy, tuberous herb

Begonia puerensis W.G. Wang, X.D. Ma & J.Y. Shen, sp. nov.

 普洱秋海棠

Etymology: The epithet puerensis refers to the distribution of new species in Puer district, Yunnan province.

Wen‐Guang Wang, Xing‐Da Ma, Ren‐Kun Li, Ji‐Pu Shi, Shou‐Zhou Zhang and Jian‐Yong Shen. 2020. Begonia puerensis sp. nov. (Begoniaceae), A New Tuberous Species from Yunnan, China. Nordic Journal of Botany.  38(1) DOI: 10.1111/njb.02618

Newly discovered begonia in need of urgent protection news.cgtn.com/news/2020-02-19/Newly-discovered-begonia-in-need-of-urgent-protection-Od2Y1gnO8w/index.html via @cgtnofficial

[Botany • 2020] Begonia daunhitam (Begoniaceae) • A New Species of Begonia from West Kalimantan, Indonesia

Begonia daunhitam W.G. Wang, C.X.L. Wang, S.Z. Zhang & A. Randi

in Wang, Randi, Wang, et al., 2020. 

 Taiwania. 65(1)  tai2.ntu.edu.tw/taiwania

 facebook.com/TaiwaniaOffice

ABSTRACT

 Begonia daunhitam, a new species from West Kalimantan, Indonesia with strongly bullate black leaves is described and illustrated here, and details of the distribution, ecology and conservation status are provided.

KEY WORDS: Begonia darthvaderiana, Begonia daunhitam, Begoniaceae, Borneo, Indonesia, new taxa, taxonomy.

Begonia daunhitam W.G. Wang, C.X.L. Wang, S.Z. Zhang & A. Randi, sp. nov.

 黑森林秋海棠 

Sect. Petermannia 

Type: INDONESIA. Borneo. West Kalimantan Province. Kapuas Hulu Regency, Boyan Tanjung District, ..., (..., 260 m alt.), 23 September 2016, A. Randi AR-855-KB (holotype BO!, isotype BO!). 

Diagnosis: This new species is similar to B. darthvaderiana in having dark olive nearly black leaves and pink flowers, but differing in having a dichasial cyme inflorescence, adaxial surface of leaves being strongly bullate, denticulate at the margin and without a narrow silvery band along the leaves margin and many more stamens (fig. 3).  

Fig. 1. Begonia daunhitam W.G.Wang, C.X.L Wang, S.Z. Zhang & A. Randi, sp. nov. 
A. Habit; B. Cultivated individual; C. Inflorescence; D. Both side surface of the leaves; E, G. Side view of staminate flower; F. Front view of staminate flower; H, I. Front view of pistillate flower; J. Side view of pistillate flower; K. Cross section of ovary. (A, C, H: Photo by Ripin; B, D, E, F, G, I, J, K: Photo by C. X. L. Wang).

Fig. 2. Begonia daunhitam W.G.Wang, C.X.L Wang, S.Z. Zhang & A. Randi, sp. nov.

A. Habit; B. The margin of the leaf; C. Petiole; D. Bract; E. Inflorescence; F. Front view of staminate flower; G. Side view of staminate flower; H. Androecium; I. Side view of pistillate flower; J, K. Front view of pistillate flower; L. Styles; M. Cross section of ovary. 

(Drawn by Mr. Zhi-Ming Li, based on the plants cultivated in XTBG).

Distribution: Endemic to Borneo, so far only recorded from ..., Boyan Tanjung district, Kapuas Hulu regency, West Kalimantan province, Indonesia (Fig. 4). 

Habitat: Grows in wet areas on slopes near the river under dense canopies of dipterocarp forest at elevation 200–300 m asl. 

Etymology: The specific epithet refers to the color of the leaves in Bahasa Indonesia, daun hitam = black leaves (daun = leaves, hitam = black). 

Wen-Guang Wang, Agusti Randi, Cheng-Xin-Luo Wang, Jian-Yong Shen, Xing-Da Ma, Ji-Pu Shi, Ting Xu and Shou-Zhou Zhang. 2020. Begonia daunhitam, A New Species of Begonia (Begoniaceae) from West Kalimantan, Indonesia. Taiwania. 65(1); 27-32. DOI: 10.6165/tai.2020.65.27 

 tai2.ntu.edu.tw/taiwania/abstract.php?type=abstract&id=1649

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[Botany • 2015] Acranthera burmanica • A New Species of Rubiaceae from Kachin State, Myanmar

Acranthera burmanica 

Y. H. Tan & B. Yang 

DOI:  10.11646/phytotaxa.238.1.5

Abstract

Acranthera burmanica, a new species of Rubiaceae from Kachin, Myanmar, is here described and illustrated. It is morphologically similar to A. sinensis, but can be easily distinguished from the latter by its stem and branches densely strigose throughout; ovate leaves; calyx distinctly shorter than corolla tube, lobes lanceolate, apex attenuate; stipules triangular, apex acute not cuspidate; lower part of filaments connate into a tube.

Keywords: Acranthera, biodiversity, Kachin, morphology, Myanmar, taxonomy, Eudicots

Acranthera burmanica A. Habit. B. Stipule and Flower branch. C. Peduncle. D, F. Bracts. E. Flower bud. G. Inforescences. H. Corolla (adaxial view). I. Calyx. J. Opened corolla. K–L. Stamens. M. Pistil. N–P. Ovary portion.

Photographed by Yun-Hong Tan.  DOI:  10.11646/phytotaxa.238.1.5 

Acranthera burmanica Y. H. Tan & B. Yang, sp. nov. 

Diagnosis: Acranthera burmanica is similar to A. sinensis C. Y. Wu (1957:295), differing from the latter by its stem and branches densely strigose throughout (vs. glabrescent when aged); ovate to ovate-lanceolate leaves (vs. elliptic or obovate); calyx distinctly shorter than corolla tube (vs. equal to corolla tube), calyx lobes lanceolate (vs. linear-lanceolate), apex attenuate (vs. acuminate); stipules triangular, apex acute not cuspidate (vs. broadly ovate to triangular, glabrescent, cuspidate); lower part of filaments connate into a tube (vs. free).

Distribution:— Acranthera burmanica is endemic to Myanmar and known from Kachin State, Putao, where it grows in the understory in tropical rain forests and tropical mountain forests, at an elevation of ca. 900–1500 m.

Yun-Hong TAN, Bin YANG, Jian-Wu LI, Shi-Shun ZHOU, Shwelone Shwelone, Kyi Kyi Khaing, Ren LI, Jian-Ping HUANG and Hang SUN. 2015. Acranthera burmanica, A New Species of Rubiaceae from Kachin State, Myanmar. Phytotaxa.  DOI:  10.11646/phytotaxa.238.1.5

http://m.extbg.cas.cn/conservationhorticulture/201512/t20151221_157678.html

       

[Botany • 2015] Bulbophyllum mengyuanense • A New Species of Bulbophyllum sect. Stachysanthes (Orchidaceae; Epidendroideae; Dendrobiinae) from Xishuangbanna, southeastern Yunnan, China

Bulbophyllum mengyuanense 

  Q.Liu, J.W.Li & X.H.Jin 
  DOI: 10.11646/phytotaxa.236.3.11

Abstract

Bulbophyllum Thouars (1822: 3) is one of the largest orchid genera, including more than 1900 species widely distributed from tropical America, Africa, Madagascar, and mainland Asia to Australasia (Lindley 1830, Pearce & Cribb 2002, Seidenfaden 1979, 1992, Chen et al. 2009, Pridgeon et al. 2014). The species possess a wide range of vegetative form and floral structure (Bose et al. 1980). There are about 103 species (33 endemic) in 18 sections in China (Chen et al. 2009).

Section Stachysanthes (Blume ) Averynov (1994: 276) is distinguished by inconspicuous pseudobulbs and includes 72 species. There are five species (three endemic) of section Stachysanthes in China (Tsi 1999, Chen et al., 2009). During our fieldwork in Mengla County of Xishuangbanna, southeastern Yunnan, a new species of Bulbophyllum of sect. Stachysanthes was found in the limestone forest and described below.

Keywords: Bulbophyllum, Orchidaceae, Epidendroidea, Dendrobiinae, Monocots, China

FIGURE 2. Bulbophyllum mengyuanense.
A. Habitat. B. Front view of flower. C. Lateral view of flower. D. Plant

  Photo by Q. Liu  

Taxonomy 

Bulbophyllum mengyuanense Q.Liu, J.W.Li & X.H.Jin, sp. nov. (Figs. 1, 2) 

Type:— China. Yunnan: Mengla County, Mengyuan Town, limestone forest, 1000 m, 7 Oct. 2010, Li 1099 (holotype, HITBC!). 

Diagnosis: Bulbophyllum mengyuanense is similar to B. drymoglossum and B. hainanense, but can be distinguished from them by having yellow flowers with purple stripes, lateral sepals connate in their basal third, conspicuous column stelids and a labellum without a callus.

Qiang Liu,  Jian-Wu Li, Xiao-Hua Jin and Jiang-Yun Gao. 2015. A New Species of Bulbophyllum (Orchidaceae; Epidendroideae; Dendrobiinae) from Yunnan, China.
 Phytotaxa. 236 (3): 287–290.  DOI: 10.11646/phytotaxa.236.3.11

http://english.xtbg.cas.cn/gh/lg/201602/P020160221395635641410.pdf

[Botany • 2012] Panisea moi • A New Species (Orchidaceae: Epidendroideae) from Hainan, China

Panisea moi 

 M.Z.Huang, J.M.Yin & G.S.Yang

Photograph by Ming-Zhong Huang
 XTBG.cas.cn DOI:  10.11646/phytotaxa.60.1.3

Abstract

A new species, Panisea moi (Orchidaceae: Epidedroideae: Coelogyninae) from Mount Wuzhi and Mount Jianfengling of Hainan Island is described and illustrated. The most significant differences from the closest species, P. vinhii, are that P. moi has subentire labellum, two longitudinal labellum keels that extend from middle of the hypochile to 2/3 of the length of the epichile and thickened at the ends; the rachis is also straight.

Keywords: Chinese Orchidaceae, Coelogyninae, China, Monocots

Panisea moi M.Z.Huang, J.M.Yin & G.S.Yang, sp. nov. (Fig. 1–2)

Species P. vinhii Aver. et Averyanova affinis, sed labello subintegro, carinis longioribus, e medio hypochili ad 2/3 epichili extenso, extrama carinarum inflatis differt.

Distribution and habitat:— Panisea moi grows on trunks of tall trees in the jungle or on shrubs on hill crests at 1200–1850 m elevation. It is known from Mount Wuzhi and Mount Jianfengling on Hainan Island.

Phenology:— The new species is in flower in March with fruiting in September.

Etymology:— The specific epithet honors the first author’s tutor Prof. Rao Mo (1963–2012), who focused his life on the breeding of orchids and other tropical ornamental plants on Hainan Island.

Ming-Zhong Huang, Jun-Mei Yin, Guang-Sui Yang and Yun-Hong Tan. 2012. Panisea moi, A New Species (Orchidaceae: Epidendroideae) from Hainan, China. Phytotaxa.  60(1); 13–16.  DOI:  10.11646/phytotaxa.60.1.3

http://english.xtbg.cas.cn/gh/lg/201209/t20120917_91102.html

http://english.xtbg.cas.cn/gh/lg/201209/P020120917541888549362.pdf

[Botany • 2016] An Expansion of the Genus Deinostigma (Gesneriaceae) in Vietnam and China

ABSTRACT

 Based on molecular, morphological and cytological studies the previously monotypic genus Deinostigma W.T.Wang & Z.Y.Li has been expanded to include several species previously ascribed to Primulina Hance. Deinostigma now comprises seven species, including one previously placed in synonymy. The new combinations Deinostigma cicatricosa (W.T.Wang) D.J.Middleton & Mich.Möller, Deinostigma cycnostyla (B.L.Burtt) D.J.Middleton & H.J.Atkins, Deinostigma cyrtocarpa (D.Fang & L.Zeng) Mich.Möller & H.J.Atkins, Deinostigma eberhardtii (Pellegr.) D.J.Middleton & H.J.Atkins, Deinostigma minutihamata (D.Wood) D.J.Middleton & H.J.Atkins and Deinostigma tamiana (B.L.Burtt) D.J.Middleton & H.J.Atkins are made. Deinostigma eberhardtii is lectotypified. The genus is defined by a combination of an alternate leaf arrangement, hooked hairs on many plant parts, flowers with the pedicel inserted at an angle and off-centre on the receptacle, and, where known, a somatic chromosome number (2n) of < 36. This new circumscription of the genus expands its distribution from Vietnam into South China.

Keywords. Molecular phylogeny, ovary morphology, Primulina, taxonomy

M. Möller, K. Nishii, H.J. Atkins, H.H. Kong, M. Kang, Y.G. Wei, F. Wen, X. Hong and D.J. Middleton. 2016. An Expansion of the Genus Deinostigma (Gesneriaceae). Gardens’ Bulletin Singapore. 68(1): 145–172.

sbg.org.sg/images/4_4_Research_Gardens_Bulletin/4_4_68_1_pdf_Vol_68_Part_1_2016/4_4_68_1_145_y2016_V68P1_GBS_pg145.pdf

http://www.genera-gesneriaceae.at/genera/deinostigma.htm

[Botany • 2008] Musa zaifui sp. nov. (Musaceae) from Yunnan, China

The center of diversity of the genus Musa (Musaceae) is in southeast Asia, a region not studied in detail and where new species and varieties are reported continously. Here, a new wild banana species Musa zaifui Häkkinen & H. Wang from Yunnan, China, is described and illustrated. These studies are based on observed morphological characteristics in the field and from cultivated plants in the Xishuangbanna Tropical Botanical Garden. Musa sect. Rhodochlamys in west Yunnan and east Myanmar have a rich diversity caused by their hermaphroditic flowers in which self-pollination takes place before the bracts open. This habit has evolved in response to their isolation in different watersheds and the lack of proper pollinators. The seeds of these plants’ fruits are dispersed in the local area by small mammals. Hybrids are very seldomly encountered due to self-pollination. Musa zaifui is only observed in a wet ditch covered with secondary forest on the eastern bank of Da Yingjiang River, on the way from Yingjiang to Longchuan (about 50 km from Yingjiang), Dehong District, west Yunnan. A key to M. zaifui and related taxa is provided.

Musa zaifui sp. nov. (Musaceae) from Yunnan, China

http://english.xtbg.cas.cn/rh/ss/hm/200808/t20080820_27748.html

Häkkinen, M. & H. Wang. 2008. Musa zaifui sp. nov. (Musaceae) from Yunnan, China. Nordic J. Bot. 26:42–46. http://onlinelibrary.wiley.com/doi/10.1111/j.0107-055X.2008.00267.x/abstract

[Botany • 2008] Musa aurantiaca • A taxonomic revision of Musa aurantiaca Baker (1893) (Musaceae) in Southeast Asia

Living specimen of Musa aurantiaca 

Abstract  

Since the initial description, the name  Musa aurantiaca   has been unclear to most botanists. The aim of this study is to settle its true identity and to update the description. The plant is distributed in the regions of Upper Assam and Arunachal Pradesh, India, Northern Myanmar and Tibet, China where it occurs commonly but it is not mentioned in Chinese literature at all. In this paper, the authors also review the description and the literature history of M. aurantiaca from 1893 to the present. Musa aurantiaca Baker is typified here. 

Key words  Musa, Musa aurantiaca, Musaceae, Southeast Asia, wild banana.

Living specimen of Musa aurantiaca at XTBG. 

3 - inflorescence Photo: M. Häkkinen. ; insert - fruits

Häkkinen, M., and H. Väre. 2008. A taxonomic revision of Musa aurantiaca (Musaceae) in Southeast Asia. Journal of Systematics and Evolution (formerly Acta Phytotaxonomica Sinica) 46: 89-92. http://www.plantsystematics.com/qikan/manage/wenzhang/aps07056.pdf