Taraxacum pamiricum Schischkin (1964: 753)
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publication ID |
https://doi.org/ 10.11646/phytotaxa.305.4.1 |
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persistent identifier |
https://treatment.plazi.org/id/976B87DC-FFC5-B15F-FF15-F98F31BAC826 |
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treatment provided by |
Felipe |
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scientific name |
Taraxacum pamiricum Schischkin (1964: 753) |
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11. Taraxacum pamiricum Schischkin (1964: 753) View in CoL .
Type: — TADZHIKISTAN. Vostochnyy Pamir, bassein reki Chechektinki, cirk Zor-Chechekty, bolshoi yuzhnyy sklon [the East Pamir, Chechektinka River Basin, cirque of Zor-Chechekta, the great southern slope], 4760 m, 1948, K. V. Stanyukovich & T. N. Kischkovkiy s. n. ( LE, no. det. 6487, holotype).
Description: —Plants 6–10 cm tall. Petiole green and bordered purplish or pale purplish, narrow, unwinged; leaves mid-green, linear-oblanceolate, undivided, entire or with 1–2 pairs of minute acute teeth, 4–7 × 0.7–1.2 cm, glabrous, apex acute. Scapes usually nodding, subequalling to ± overtopping leaves, brownish purple, glabrous. Capitulum usually not fully opening, to ca. 2 cm wide. Involucre 8–10 mm wide, base rounded. Outer phyllaries usually 9–11, blackish and often suffused purplish distally, subimbricate, lanceolate to ovate, 5.5–8.5 × (1.8–) 2.8–3.6 (–5.0) mm, ± appressed to loosely appressed, seldom erect, with a distinct, distally often pinkish, sharply delimited border (0.4–) 0.5–0.6 (–1.0) mm wide, margins glabrous or apex minutely ciliate, apex ± obtuse, flat; inner phyllaries usually 12–13 mm, later to 16 mm long, apex flat. Ligules deep orange-yellow or pale brownish yellow, outer ligules apically cucullate, not spreading, canaliculate, striped brown-purple to almost black outside; inner ligules almost tubular, ligule teeth short, blackish. Stigmas ± black. Anthers polliniferous; pollen grains irregular in size. Achenes ( Fig. 11I View FIGURE 11 ) ± deep grey to dark grey, turbinate, (4.5–) 5.2–5.7 × (0.8–) 0.9–1.0 mm, body mostly smooth, usually very sparsely tuberculate above, or with very sparse spinules on ridges in robust cultivated specimens, cone indistinct, almost not discernible, very gradually narrowing into beak; beak 5.5–6 mm, thickened (to 0.3 mm). Pappus yellowish white, 5.5–6 mm long.—Agamospermous.— Fig. 11I View FIGURE 11 , 17A View FIGURE 17 .
Distribution: —In addition to the type locality (the E. Pamir, Tadzhikistan), there is a considerable range extension: Gilgit, N. Pakistan ( Fig. 16 View FIGURE 16 ).
Further specimens studied: — PAKISTAN: NE. Pakistan, Gilgit, Khunjerab top, ca. 5000 m, 31º51´N, 75º27´E, L. Springate s. n., cultivated at Průhonice Bot. Gard. as JŠ5652 (PRA, no. det. 28213).— Ibidem, cultivated progeny of the previous specimens, cultivated at Průhonice Bot. Gard. as JŠ6715 (PRA, no. det. 28214).
| LE |
Servico de Microbiologia e Imunologia |
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.