Taraxacum parvulum

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Taraxacum parvulum

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Common names

Chinese (China): 小花蒲公英 xiao hua pu gong yingA

Systematics

For the current circumscription of and notes on the problems surrounding it see Kirschner & al. (2020: 246) .B

Description

Herbs 5–10 cm tall, small. Petiole pale green to pinkish, arachnoid at base, narrow to narrowly ± winged; leaf blade pale grayish green, oblanceolate to broadly oblanceolate, 4–9 × 1.2–2 cm, almost glabrous, pinnatilobed; lateral lobes in 1–3 pairs, triangular to deltoid, recurved, margin ± entire; interlobes long, margin ± entire; terminal lobe triangular-sagittate, margin entire, apex ± acute. Scapes brownish green, ± equaling leaves, arachnoid. Capitulum 1.5–2.5 cm wide. Involucre 6–8 mm wide, base broadly subconic to ± rounded. Outer phyllaries 8–10, pale grayish green, ± imbricate, ± lanceolate or narrowly so, outermost ones (4–)4.5–5.5 × (1.5–)1.8–2.3 mm and 1/3–1/2 as long as inner ones, appressed, narrow middle part blackish green, border getting paler from pale greenish near middle to whitish green near margin and 0.2–0.3 mm wide, margin subglabrous, apex bordered pinkish and ± flat; inner phyllaries 1–1.2 cm, apex ± flat. Ligules yellow; outer ligules outside faintly striped grayish pink. Stigmas yellow to pale grayish yellow. Anthers polliniferous; pollen grains ± regular in size. Achene pale brownish orange, 3.8–4.6 × 0.8–0.9 mm; body ± smooth below, subsparsely spinulose above, apically gradually narrowing into a subcylindric (0.8–)1–1.2(–1.4) mm cone, spinules short and thin; beak ca. 6 mm. Pappus white, 6–7 mm. Fl. late spring to summer. Predominantly sexual.

from: Ge X., Kirschner J. & Štepánek J. in Wu Z. Y. & al. (ed.), Flora of China 20–21: 318. 2011, Beijing & St Louis.

Distribution

Asia-Temperate: Afghanistan native: presence questionablenative: presence questionableC,D,E,F; China South-Central (Sichuan nativeA, Yunnan nativeA); Tibet nativeA; Xinjiang nativeA Asia-Tropical: East Himalaya (Bhutan nativeA,G, Sikkim nativenativenativeG,H,I); India (Punjab nativenativeF,I, Uttar Pradesh nativenativenativeF,I,J); Myanmar nativeA; Nepal nativenativeA,F,K; Pakistan nativenativenativeE,I,L,M; West Himalaya (Himachal Pradesh nativenativenativeF,H,I, Jammu-Kashmir nativenativenativeB,F,H,I,L)

Bibliography

A. Wu & al., Flora of China 20-21. 2011
B. 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
C. Breckle S.-W. & al., Vascular plants of Afghanistan, an augmented checklist. 2013 (as Taraxacum himalaicum)
D. J. L. van Soest - 30. Taraxacum in Rechinger K. H., Flora Iranica 122. 1977
E. J. L. van Soest - 30. Taraxacum in Rechinger K. H., Flora Iranica 122. 1977 (as Taraxacum himalaicum f. kuluense Soest)
F. Soest J. L. van , Taraxacum species from India, Pakistan and neighbouring countries in Wentia 10: 1–91. 1963 (as Taraxacum himalaicum Soest f. himalaicum)
G. Grierson A. J. C. & Long D. G., Flora of Bhutan 2(3). 2001
H. Hajra P. K., Rao R. R., Singh D. K. and Uniyal B. P., Flora of India 12. 1995 (as Taraxacum himalaicum Soest)
I. Soest J. L. van , Taraxacum species from India, Pakistan and neighbouring countries in Wentia 10: 1–91. 1963 (as Taraxacum himalaicum f. kuluense Soest)
J. Hajra P. K., Rao R. R., Singh D. K. and Uniyal B. P., Flora of India 12. 1995 (as Taraxacum himalaicum Soest)
K. Press J. R. & al., Annotated checklist of the flowering plants of Nepal; updated online version (as Taraxacum himalaicum Soest)
L. Ghafoor A. & al., Flora of Pakistan 222. Asteraceae (IV) Cichorieae. 2017
M. J. L. van Soest - 30. Taraxacum in Rechinger K. H., Flora Iranica 122. 1977 (as Taraxacum himalaicum Soest f. himalaicum)