Taraxacum baltistanicum

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Taraxacum baltistanicum

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Distribution

Asia-Temperate: Afghanistan nativeA,B,C; Iran reported in errorD; Tibet nativeB Asia-Tropical: India (Uttar Pradesh reported in errorE); Pakistan nativeF,G; West Himalaya (Jammu-Kashmir nativenativeE,F,H,I)

Description

"Plants small, slender, to 10 cm tall. Petiole pale green to pinkish, narrow, unwinged, plant base glabrous; leaves dull to deep green, linear to linear-oblanceolate, 5–8 cm × 3–5 mm, undivided, entire, apex obtuse to subacute. Scapes brownish green to purplish green, glabrous or with very sparse aranose hairs below capitulum. Capitulum small, ca. 1.5 cm wide. Involucre ca. 4 mm wide, ± rounded at base. Outer phyllaries 5–9, unequal, most often broadly ovate to round-ovate, the outermost ones ca. 3.5–4 × 2.1–2.5 (–2.8) mm, the others to 5.2 mm long and narrower, ca. 1.5–1.8 mm wide, appressed, with grey to black-green middle part and white to whitish border to 0.6 mm wide, apex flat to callose, margins glabrous; inner phyllaries 7–10 mm long, flat to callose, blackish green. Ligules yellow, outer ligules ± flat, striped light black-purple to greyish purple outside, inner ligule apical teeth blackish purple. Stigmas yellow to slightly greenish yellow. Anthers polliniferous, pollen grains irregular in size. Achenes light straw-brown when immature, later ± light grey, 4.5–5 × 1.0–1.1 mm, body very minutely and sparsely appressed squamulose above, with a gradual and indistinct transition into a short, thick, conical-cylindrical cone 0.5–0.6 mm long, ca. 0.5 mm thick; beak thick (0.2–0.3 mm), 2.5–2.8 mm long; pappus white, 4.5–5 mm long. Agamosperm."

from Kirschner & al. (2017: 20, 2020: 131)B,H

Systematics

Taraxacum baltistanicum, erroneously treated as a member of T. sect. Orientalia by Soest (1963), is an intersectional intermediate close to T. sect. Variegata in the outer phyllaries but strongly deviating in achene features (Kirschner & al. 2020: 113, 132).H,I

Bibliography

A. Breckle S.-W. & al., Vascular plants of Afghanistan, an augmented checklist. 2013 (as Taraxacum baltistanicum)
B. Kirschner J. & al., Taraxacum sect. Orientalia (Compositae-Crepidinae) and the West Himalayan dandelions: A new interpretation in Phytotaxa 312: 1-27. 2017
C. van Soest, J.L. - 30. Taraxacum in Rechinger K. H., Flora Iranica 122. 1977 (as Taraxacum baltistanicum)
D. Safavi S. R. & al. - 77. Asteraceae tribe Cichorieae in Assadi M. & al., Flora of Iran. 2013
E. Hajra P. K., Rao R. R., Singh D. K. and Uniyal B. P., Flora of India 12. 1995
F. Ghafoor A. & al., Flora of Pakistan 222. Asteraceae (IV) Cichorieae. 2017
G. van Soest, J.L. - 30. Taraxacum in Rechinger K. H., Flora Iranica 122. 1977
H. 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
I. Soest J. L. van , Taraxacum species from India, Pakistan and neighbouring countries in Wentia 10: 1–91. 1963