Taraxacum sect. Arctica

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Taraxacum sect. Arctica

no image available

Description

Plants small, delicate. Leaves usually subglabrous to glabrous; petiole unwinged or rarely narrowly winged; leaf blade undivided or shallowly to deeply lobed, indentation sparse. Outer phyllaries usually few, 8–11(–15), ± blackish green to dark green, broadly ovate to broadly lanceolate, usually less than 5–6 mm, ± appressed to loosely appressed, rarely erect, unbordered or bordered whitish or purplish, margin usually glabrous or rarely ciliate, apex usually corniculate. Ligules yellow, pale yellow, whitish, white, or pinkish. Stigmas discolored. Achene brown, olivaceous brown, blackish, reddish, straw-colored brown, gray, etc., usually 3.5–4.5 mm, not thick; body very sparsely to ± densely spinulose and/or tuberculate above, ± gradually narrowing into a conic to subconic 0.3–0.8 mm cone; beak to 5 mm, thin to slightly thickened. Pappus white.

from: Ge X., Kirschner J. & Štepánek J. in Wu Z. Y. & al. (ed.), Flora of China 20–21: 316. 2011, Beijing & St Louis.

Image sources

Handel-Mazzetti 1907: t. 2 (habit), t. 4 (specimen photo)A

Distribution

Asia-Temperate: China South-Central (Yunnannative); Kamchatka (Kamchatkanative); Khabarovsk (Khabarovsknative); Magadan (Magadannative); West Siberia (West Siberianative); Xinjiang (Xinjiangnative) Europe: Austrianative (Austrianative); Italynative; North European Russia (North European Russianative); Norway (Norwaynative); Svalbard (Svalbardnative); Switzerland (Switzerlandnative: reported in error) Northern America: Alaska (Alaskanative); Alberta (Albertanative); British Columbia (British Columbianative); Greenland (Greenlandnative); Labrador (Labradornative); Newfoundland (Newfoundlandnative); Northwest Territories (Northwest Territoriesnative); Nunavut (Nunavutnative); Yukon (Yukonnative)

Common names

Chinese (China): 北极蒲公英组 bei ji pu gong ying zuB

Credits

Kalheber H. 2010: Image sources (1 added).

Bibliography

A. Handel-Mazzetti, H. von, Monographie der Gattung Taraxacum. 1907 (as Taraxacum phymatocarpum aggr.)
B. Wu & al., Flora of China 20-21. 2011