Taraxacum cerebriforme

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Taraxacum cerebriforme

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Lacking unequivocal affinity to other species or sections, the sectional position of this species is unclear (Kirschner & al. 2020: 388).A


"Plants small, to ca. 10–12 cm tall. Petiole green or dark purple, narrow, unwinged, sparsely arachnoid; plant base whitish hairy, tunic absent. Leaves light vivid green, usually with dark purple mid-vein, broadly oblanceolate in outline, usually 5–8 × 1.5–2.5 cm, outer leaves undivided or with simple lobation, middle leaves deeply pinnatisect, with 3–4(5) pairs of patent, lingulate-triangular or lingulate, obtuse lateral segments, distal margin ± straight or subconvex, sometimes with a big traingular tooth near its base or with several small teeth, or entire, proximal margin often raised, frequently with one or several raised, triangular teeth; interlobes short, entire, with raised margins, or longer with several patent, triangular, irregularly raised teeth; terminal segment flat and broadly triangular or ± tripartite with obtuse (rarely subacute) apex and basal lobules, proximal margin often conspicuously dentate and raise, sometimes ± entire. Scapes usually light brownish green, arachnoid, ± overtopping leaves. Capitulum yellow, ca. 1.8–2.5 cm wi/de. Involucre green to dark green, not pruinose, 7–9 mm wide and rounded at base. Outer phyllaries dark green, usually 12–16, ± not imbricate or subimbricate, ± lanceolate, usually (4.5–) 5–6 (–7.5) × (1.5–) 2.0–2.4 mm, appressed, with a whitish-membranous border 0.1–0.3 mm wide (the pale border often bordered purplish inside), surface with a distinct venation, margins often ciliate throughout, apex usually pinkish, callose or less often corniculate; inner phyllaries often of unequal width, ca. 11–12 mm long, with callose apex. Outer ligules ± flat, striped greyish pink outside, inner ligule teeth dirty yellow or light purplish. Anthers abundantly polliniferous, pollen grains slightly irregular in size (a few bigger grains among the majority of smaller equal ones). Stigmas grey-green (almost black when dry). Achenes redbrown to deep brown when ripe (unripe fulvous-stramineous etc.), 3.7–4.4 (–4.9) × 1.0–1.2 (–1.3) mm, body with large, laterally compressed spinules to 0.4 mm long on body ridges throughout, sometimes little spinules and/or tubercules also between main ridges, body indistinctly narrowed into a thick, ± subconical cone (0.7–) 0.9–1.0 (–1.2) × 0.5–0.7(–0.8) mm (the most distal cone part often colourless); beak thick, gradually narrowing distally, ca. 1.2–1.8 mm long, 0.4–0.5 mm thick at base to ca. 0.3–0.4 mm thick distally, pappus yellowish white, sparse, ca. 3.8–4.9 mm long."

from Kirschner & al. (2020: 387-388)A


Asia-Tropical: West Himalaya (Jammu-Kashmir nativeA)


A. 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