Gymnema phuquocense (Apocynaceae, Asclepiadoideae), a new species from Vietnam

被引：0
|
作者：
Bui, Thu Ha [1 ]
Le, Ngoc Han [2 ]
Tran, The Bach [2 ,3 ]
机构：
[1] Hanoi Natl Univ Educ, Fac Biol, 136 Xuan Thuy, Hanoi, Vietnam
[2] Vietnam Acad Sci & Technol, Inst Ecol & Biol Resources, Dept Bot, 18 Hoang Quoc Viet, Hanoi, Vietnam
[3] Vietnam Acad Sci & Technol, Grad Univ Sci & Technol, 18 Hoang Quoc Viet, Hanoi, Vietnam
来源：
PHYTOKEYS | 2025年 / 251期
关键词：
Asclepiadoideae; Gymnema; Phu Quoc; Vietnam;
D O I：
10.3897/phytokeys.251.136457
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
A new species of Gymnema from Vietnam - G. phuquocense - is described, illustrated, and compared with the similar G. yunnanense. Gymnema phuquocense differs from G. yunnanense by the length of peduncle (3-4 mm vs. 10-13 mm), hairs on corolla lobe margin (absent vs. present), shape of seed (broadly ovate vs. ovate-oblong), shape of scale with 2 prominent longitudinal ridges on corolla tube (lanceolate vs. linear), and length of seeds (9-10 mm vs. 13-15 mm). A diagnostic key of the Gymnema species in Vietnam is also provided.
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页码：203 / 210
页数：8
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