Taraxacum oblongatum Dahlst.

Pissenlit (fr)

Species

Angiosperms > Asterales > Asteraceae > Taraxacum

Characteristics

Herbs 10-25 cm tall. Petiole pinkish purple, winged; leaf blade deep green with a light green midvein sometimes pinkish near base, ± oblong-oblanceolate, 7-18 × 3-4 cm, sparsely arachnoid to subglabrous, ± pinnatisect; lateral lobes 3-5 pairs, ± triangular, relatively broad, usually hamate-recurved, distal margin convex and usually entire or seldom denticulate; interlobes short but proximal ones longer, margin entire or denticulate, often with a raised dark border; terminal lobe ± helmet-shaped or almost rounded, base often cordate, proximal margin ± straight or sigmoid, distal margin convex and ± entire, apex subobtuse to obtuse and mucronate. Scape light green but later brownish purple, ± arachnoid. Capitulum 3.5-5 cm wide. Involucre base ± rounded. Outer phyllaries 14-18, regularly arranged, linear-lanceolate to lanceolate, (10-)11-13(-14) × 2.3-3.5 mm, arcuate-recurved, abaxially dark green and often suffused purplish brown, adaxially grayish green, ± unbordered. Ligules deep yellow; outer ligules flat, outside striped light grayish brownish purple. Stigmas dark grayish green to almost blackish. Anthers polliniferous; pollen grains variable in size. Achene grayish straw-colored brown, (3.4-)3.8-4.3 mm, ± densely spinulose in upper ca. 1/4, ± abruptly narrowing into a ± conic 0.5-0.6 mm cone; beak 1-1.1 cm. Pappus ± white, ca. 6 mm. Fl. spring. Agamosperm. 2n = 24.
Life form perennial
Growth form herb
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Sexuality hermaphrodite
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Mature height (meter) 0.1 - 0.25
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Environment

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Hardiness (USDA) 4-9

Usage

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Cultivation

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Distribution

Taraxacum oblongatum world distribution map, present in Austria, Belgium, China, Czech Republic, Germany, Denmark, Spain, Finland, France, United Kingdom of Great Britain and Northern Ireland, Netherlands, Poland, and Sweden

Identifiers

LSID urn:lsid:ipni.org:names:254130-1
WFO ID wfo-0000028456
COL ID 54VW9
BDTFX ID 120486
INPN ID 717626
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Taraxacum oblongatum Taraxacum fusciceps Taraxacum perhamatum Taraxacum pseudoleptodon Taraxacum falciferum Taraxacum falciferum