Taraxacum sect. Emodensia

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Taraxacum sect. Emodensia

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Common names

Chinese (China): 喜马拉雅蒲公英组 xi ma la ya pu gong ying zuA

Systematics

Taraxacum sect. Emodensia includes about 13 species and is centered in Sichuan, Yunnan and the southern part of Tibet, whereas species diversity decreases towards westwards. Taraxacum dilutissimum is the most widespread species with a distibution ranging from the SE Tibet and the W Himalaya to Middle Asia (Kirschner & al. 2020: 225)B

Description

Petiole narrow; leaf blade deeply pinnatisect. Involucre 6–10 mm wide, base usually narrowly rounded. Outer phyllaries usually numerous (to 25), deep green to dark green, linear-lanceolate or linear, appressed or loosely so, usually distinctly pale bordered, apex conspicuously horned or corniculate. Ligules usually yellow, rarely whitish. Stigmas yellow to yellowish green. Achene variously colored, straw-colored brown, dark red-brown, ochraceous, or dark blackish gray; body ± densely spinulose above, usually subabruptly narrowing into a usually subcylindric (0.8–)1–1.4(–1.9) mm cone, spinules straight and erect to erect-patent; beak usually 5–7 mm. Pappus white. Sexual or agamospermous.

from: Ge X., Kirschner J. & Štěpánek J. in Wu Z. Y. & al. (ed.), Flora of China 20–21: 291. 2011, Beijing & St Louis.

Distribution

Asia-Temperate: China North-Central (Gansu native); China South-Central (Sichuan native); Kirgizistan native; Tadzhikistan native; Tibet native; Uzbekistan native Asia-Tropical: East Himalaya (Sikkim native); Nepal native; West Himalaya (Himachal Pradesh native, Jammu-Kashmir native)

Bibliography

A. Wu & al., Flora of China 20-21. 2011
B. Kirschner J., Štěpánek J., Klimeš L. & al., The Taraxacum flora of Ladakh, with notes on the adjacent regions of the West Himalaya in Phytotaxa 457: 1-409. 2020