期刊
NOVON
卷 25, 期 3, 页码 298-301出版社
MISSOURI BOTANICAL GARDEN
DOI: 10.3417/2015028
关键词
Asteraceae; China; Youngia
资金
- National Natural Science Foundation for Young Scholars [31000096]
- National Natural Science Foundation for Flora of Pan-Himalayas [31110103911]
- Chinese Academy of Science Foundation [KSCX2-EW-Z-1]
- 12th Five-year Plan Project of the National Science and Technology of China [2011BAC09B04-04-02]
- Sichuan Province Science and Technology Project [2013NZ0037]
- exchange visitor project of the Chinese Academy of Science
- Glory Light International Fellowship for Chinese Botanists at Missouri Botanical Garden
Youngia jiulongensis Y. L. Peng, X. F. Gao & Li Bing Zhang, a new species of Asteraceae from western Sichuan, China, is described. This new species is similar to Y mairei Lev.) Babe. & Stebbins and Y. pilifera C. Shih in having blackish brown achenes, a white pappus, and fewer capitula, but distinct from the latter two in having a taller stature (28-50 cm vs. 8-30 cm), two or three well developed, undivided caudical leaves, sparsely toothed leaf margins, acute leaf apices, long non winged petioles, reduced pubescence on the whole plant, glabrous phyllaries, and midveins of all inner phyllaries plane.
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