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(Last Modified On 6/2/2011)
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Acceptance
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Accepted
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(Last Modified On 6/3/2011)
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Synonym Text:
Oligosporus capillaris (Thunb.) Poljakov in Tr. Inst. Bot. Akad. Nauk. Kazakhst. SSR 11: 168. 1961.
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Flower/Fruit:
Fl. Per.: August-October.
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Type:
Type: E. Japan, Thunberg s. n. (UPS, S).
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Habitat:
A very common plant, especially at low altitudes, from 300-1000 msl in sandy-clay soils after late winter rains.
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Distribution:
Distribution: Pakistan eastwards to Japan and northwards to Mongolia and Soviet Union (Udsk, Ussuri and Sakhalin).
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Map Location:
A-7 Chitral Dist.: Morkoh, Pinder Gaz Town, 17.8.1981, Kamal Akhtar Malik & S. Nazimuddin 1500 (KUH); Gilgit, 30 km from Juglote on way to Astore, 29.8.1988, S. Omer & M. Qaiser 2298 (KUH); B-7 Swat Dist.: Kalam, 34° 19´0 N, 72° 32´.60 E, ± 7000 ft., in stony soil, Muqarrab Shah et al. 154 (GH); 14 km from Mingora on way to Kalam village, 20.8.1972, M. Qaiser & A. Ghafoor 4658 (KUH); Ushu Valley, East of Matiltan, Rest House, 30.8.1971, S. M. A. Kazmi 3509 (M); 11 miles from Saidu Sharif on way to Kalam, sandy-clay soil, 27.7.1971, Sultanul Abedin 8275 (KUH); Swat, July 1958, A. R. Beg 82 (RAW, MICH); Around Saidu Hotel, Saida Qureshi 64 (KUH, NA); Malakand, Jorwar, 15.9.73, S. M. A. Kazmi 5264 (M); Daggar, 10.9.1973, S. M. A. Kazmi 5156 (M); Hazara Dist.: 5 miles from from Batgram on way to Thakot, common, 28.8.1988, S. Omer & M. Qaiser 2220 (KUH); Tarbela Dam, residential area, A. Ghafoor 964 (KUH); Muzaffarabad Dist.: 20 miles from Aath Muqam on way to Muzaffarabad, common, 21.9.1987, Tahir Ali et al. 414 (KUH); C-7 Rawalpindi Dist.: Taxila, common, c. 80 cm tall, 28.11.1984, A. Ghafoor 950 (KUH); Islamabad, Base of Margalla hills, ± 2100 ft., Y. Nasir, Rubina Akhtar & Khan 10655 (RAW); Margalla hills, near Islamabad, A. Ghafoor 934 (KUH); Rawalpindi, 33° 37´.0 N, 73° 1´.0 E, annual but rootstock perennial, common by roadsides and borders of cult. fields, M. A. Siddiqi 1836 (RAW); National Park, Rawalpindi, 33° 37´.0 N, 73° 1´.0 E, ± 2200 ft., 12.12.1974, Iqbal Dar et al, s. n. (GH); N. W. Himalaya, Urki near Stream, 4700 ft., Sept. 6th 1890, G. Watt 7984 (E); Peshawar, near Tangi, N. E. of Peshawar, edge of cult. field, 3.8.1958, B. L. Burtt 1044 (E).
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Biennial or perennial glabrous herb, usually with solitary or few, slender, erect, 30-80 (-100) cm tall, pale-purpureus or reddish-brown stems from vertical woody rootstock. Basal leaves silky hairy, short petioled; middle stem leaves almost sessile, oblong-ovate, 2-4 x 1-2.5 cm, uni- or bipinnatisect into filiform, 8-12 x 0.3-0.5 mm, ± acute segments; uppermost in floral region simple, filiform with 1 or 2 basal auricles. Capitula numerous, heterogamous, shortly peduncled to sessile, ovate, c. 1.75-2.25 x 1-1.5 mm, secund, approximate, nodding in a narrow to wide, 10-30 x 5-15 cm panicle with 8-20 cm long, ascending primary branches bearing 3-8 cm long, ± patent secondary branches. Involucre 3-4-seriate, phyllaries laxly imbricate, all glabrous; outermost ovate, c. 0.75 mm long, green with narrow membranous margins, ± acute; inner ones elliptic, c. 1.25 mm long, broadly membranous margined, obtuse. Receptacle conical, glabrous. Florets 8-12, yellow; marginal florets female, 3-5, fertile, with narrow tubular, c. 0.75 mm long, bidentate corolla and long exserted, divergent style branches; disc-florets 5-7, functionally staminate with narrowly conical, c. 1.25 mm long, 5-toothed glandular corolla. Cypselas brown, oblong-ovate, c. 0.8 mm long.
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