Taraxacum sect. Arctica

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Taraxacum sect. Arctica

no image available

Common names

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

Image sources

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

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.

Distribution

Asia-Temperate: China South-Central (Yunnan native); Kamchatka native; Khabarovsk native; Magadan native; West Siberia native; Xinjiang native Europe: Austria native (Austria native); France (France native); Italy native; North European Russia native; Norway native; Spain (Andorra native, Spain native); Svalbard native; Switzerland nativeC Northern America: Alaska native; Alberta native; British Columbia native; Greenland native; Labrador native; Newfoundland (Newfoundland native); Northwest Territories native; Nunavut native; Yukon native

Credits

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

Bibliography

A. Wu & al., Flora of China 20-21. 2011
B. Handel-Mazzetti, H. von, Monographie der Gattung Taraxacum. 1907 (as Taraxacum phymatocarpum aggr.)
C. Tutin T. G, Heywood V. H., Burges N. A. & al., Flora europaea 4. 1976 (as Taraxacum phymatocarpum aggr.)