Taraxacum sect. Squamulosa

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Taraxacum sect. Squamulosa

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Description

"Flowers and leaves develop simultaneously. Plants slender, plant base subglabrous to aranose. Leaves
subglabrous to sparsely aranose, surface not swollen at hair base, blade linear to linear-oblanceolate, usually undivided or sometimes with a few lateral lobules or lobes, often entire; petiole long, narrow, unwinged, usually purplish. Scapes erect during flowering, unbranched, growing from the centre of leaf rosette, subglabrous to aranose. Involucre with obconical base, narrow (3–)4–6(–7) mm wide. Outer phyllaries 6–15, of ± equal or unequal length, appressed, linear, linear-triangular or linear-lanceolate, with a distinct whitish or white border. Receptacle glabrous. Flowers yellow, florets numerous, outer ligules ± flat. Stigmas discoloured (usually blackish). Pollen present. Achenes 4.4–6.2 mm long, greyish stramineous, ochraceous, light reddish orange or pale fulvous-greyish, body slender, 0.9–1.1 mm thick, with distinct, subsparse broad thin squamules often in rows and sometimes forming a thin collar above, partly covering the transition into cone, body subgradually to subabruptly narrowing into subconical to subcylindrical cone 0.6–1.2 mm long, ca. 0.3–0.4(–0.5) mm thick. Rostrum thin, 5–6.5 mm long; pappus 5–7 mm, white to yellowish white, not deciduous. Flowers in summer (in the mountains). Main habitat: subalpine and alpine meadows. Sexual or agamospermous."A

Distribution

Asia-Tropical: West HimalayanativeA

Bibliography

A. Kirschner J. & al., Taraxacum sect. Orientalia (Compositae-Crepidinae) and the West Himalayan dandelions: A new interpretation in Phytotaxa 312: 1-27. 2017