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Friday, January 5th, 2024
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| 6:05a | [Botany • 2024] Uncifera motuoensis (Orchidaceae: Epidendroideae: Aeridinae) • A New Species from Xizang, China
Abstract A new species, Uncifera motuoensis (Orchidaceae: Epidedroideae: Aeridinae) from Xizang Autonomous Region, China is described and illustrated with detailed photos and scientific illustration. Detailed morphological comparisons indicate that U. motouensis is similar to U. obtusifolia, but differs in having entire mid-lobe of lip, narrower leaf blade and wider pollinarium stipe. For the identification, a key to the known seven species of Uncifera is presented. Keyword: Aeridinae, Chinese orchids, Epidendroideae, Motuo County, new species, taxonomy, Uncifera, Uncifera obtusifolia
 Uncifera motuoensis M.Z.Huang, X.D.Chen & M.K.Li, sp. nov. 墨脫叉喙蘭 Diagnosis: Uncifera motuoensis is similar to U. obtusifolia Lindl. (1958), but differs in having an entire mid-lobe of lip (vs. trilobe), narrower leaves (linearoblong vs. obliquely oblong) and wider pollinarium stipe wings (leglike vs. cuplike at closing) (Table 1). Etymology: The species epithet is named after the type locality, Motuo County. Mingzhong Huang, Xueda Chen, Mengkai Li, Rongjie Zhu, Guanfei Zhao, Hubiao Yang, Liang Xi, Qinglong Wang, Langxing Yuan, Shisong Xu, Zhunian Wang, Zhen Liu and Jiabao Wang. 2024. Uncifera motuoensis (Orchidaceae), A New Species from Xizang, China. Taiwania. 69(1); 20-23. DOI: 10.6165/tai.2024.69.20 | ||||||
| 6:05a | [Botany • 2023] Hoya honglenae (Apocynaceae: Asclepiadoideaea) • A New Species, and the First Report of H. acuminata and H. phuwuaensis in the Flora of Vietnam
Abstract Three species of the genus Hoya (Apocynaceae, Asclepiadoideae) are newly reported for the flora of Vietnam. One species, Hoya honglenae, is described and illustrated as new to science, and two species, H. acuminata and H. phuwuaensis, are reported as new national records known earlier, respectively, in Bhutan, Bangladesh, NE India, W China, Myanmar; and NE Thailand. The new species discovered in Phu Quoc Island (Kien Giang Province) morphologically is most close to H. phuwuaensis, but differs in the entire, straight leaf margin, leaves sparsely white speckled adaxially and dirty purple speckled abaxially, smaller yellow flowers, conoid, obtuse, distally up-cured outer angle of corona lobes, and much longer anther appendages. The paper provides morphological descriptions, data on habitat, phenology, distribution, estimated conservation status, taxonomic notes, a list of studied specimens, and color illustrations for all studied species. Taking into consideration our new data, the genus in Vietnam currently includes 44 species. Eudicots, endemism, Hoya sect. Peltostemma, Hoya sect. Pterostelma, Hoya caudata, Hoya soidaoensis, Kien Giang Province, Phu Quoc Island, plant conservation, plant diversity, plant taxonomy   Hoya honglenae Aver., Vuong, Bao & V.C. Nguyen   Van Canh Nguyen, Leonid V. Averyanov, Quoc Bao Nguyen, Van Son Dang, Van Khuong Nguyen, Tatiana V. Maisak and Ba Vuong Truong. 2023. A New Species, Hoya honglenae and the First Report of H. acuminata and H. phuwuaensis (Apocynaceae, Asclepiadoideae) in the Flora of Vietnam. Phytotaxa. 632(1); 60-68. DOI: 10.11646/phytotaxa.632.1.5  | ||||||
| 7:11a | [Botany • 2024] Amorphophallus bantae (Araceae) • A New Species from Thailand and An updated Key to the Longituberosus and Saraburiensis Subclades
Abstract Amorphophallus is a genus of 239 species distributed across the African, Asian, and Australian continents. A new species, Amorphophallus bantae, from the Sa Kaeo province of Thailand is described and illustrated. The species is compared to morphologically similar species in the Longituberosus and Saraburiensis subclades and an updated key to these species is provided. Key words: aroids, monocots, taxonomy, Scutandrium
Amorphophallus bantae J.T.Scholten, D.W.Livingston & Sizemore, sp. nov. Similar to Amorphophallus tenuistylis in general morphology and habit, but differs by having an overall smaller inflorescence, elliptic spathe with vertical stripes and a mucronate limb apex (rather than a lanceolate unstriped spathe with an acute apex), a spadix as long or slightly shorter than the spathe (in contrast to a spadix distinctly longer than the spathe), and congested pistillate flowers with shorter (ca. 1 mm long) styles (as opposed to sparsely arranged pistillate flowers with long (3–4 mm) styles). Distribution:—Known only from this type locality in the Ta Phraya district of Sa Kaeo province, Thailand. Eponymy:—The epithet of this species honors John Banta, a superb plantsman, for his contribution to Araceae conservation and discovery of this species. Justin Scholten, David Livingston and Mary Sizemore. 2023. A New Amorphophallus (Araceae) Species from Thailand and An updated Key to the Longituberosus and Saraburiensis Subclades. Phytotaxa. 633(2); 101-107. |
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