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| Ceropegia eshanensis X.D. Ma & J.Y. Shen, in Ma, Wang, Shi & Shen, 2023. 峨山吊燈花 || taiwania.ntu.edu.tw |
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
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| 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.
