Taraxacum sect. Tibetana

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Taraxacum sect. Tibetana

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Common names

Chinese (China): 西藏蒲公英组 xi zang pu gong ying zuA

Systematics

Taraxacum sect. Tibetana includes c. 25 species with the distribution centred in the SE Tibetan Plateau (SE Tibet, N Yunnan and NW Sichuan) (Kirschner & al. 2020: 194).B

Description

Plants usually small, delicate. Petiole ± unwinged; leaf blade usually with recurved lateral segments, their distal margin often sigmoid. Outer phyllaries (5–)9–13(–22), black or black green, not imbricate or ± imbricate, ovate-lanceolate, lanceolate, or sometimes linear-lanceolate, appressed, unbordered or less often with a pale border, apex flat or callose. Stigmas usually black or blackish green, rarely yellow. Achene usually 4–5.5 × (1–)1.2–1.4 mm; body most often densely shortly spinulose or squamulose above, sometimes with longer erect spinules, gradually to subabruptly narrowing into a conic to thickly subcylindric 0.6–1.7 mm cone; beak 5–10 mm. Pappus white or yellowish, 5–8 mm. Sexual or agamospermous.

from: Ge X., Kirschner J. & Štěpánek J. in Wu Z. Y. & al. (ed.), Flora of China 20–21: 285. 2011, Beijing & St Louis.

Distribution

Asia-Temperate: Afghanistan native; China North-Central (Gansu native); China South-Central (Sichuan native, Yunnan native); Kirgizistan native; Mongolia reported in error; Qinghai native; Tibet native Asia-Tropical: Assam (Assam native); East Himalaya (Bhutan native, Sikkim native); India (Punjab native, Uttar Pradesh native); Nepal native; Pakistan nativenative; West Himalaya (Himachal Pradesh native, Jammu-Kashmir native, Uttaranchal 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