Published In:
Species Plantarum. Editio quarta 3: 1845. 1803. ( Sp. Pl.)   
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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:
Absinthium sieversianum Besser in Bull. Soc. Nat. Mosc. 8: 259.1829; A. scaposa Kitag. in Rep. First Sci. Exped. Manch. 4(2): 37. f. 8. 1935.
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Flower/Fruit:
Fl. Per.: July-August.
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Type:
Type: Described from Siberia (M).
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Habitat:
Fairly common species, grows from 2000-3500 m in sandy clay, moist habitats, with nodding mediocre capitula.
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Distribution:
Distribution: China, N. W. India, Tibet, Pakistan (Gilgit, Chitral, Hunza, Baltistan, Kashmir), N. E. Afghanistan, Mongolia, Soviet Union (Siberia), Baltic and Central Asia.
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Map Location:
A-7 Gilgit, Naltar Valley, c. 2500 m, 25.8.86, A. Rashid 1057 (PESH); Gilgit, Yasin and surrounding area, S. M. A. Kazmi 5946 (M); Karakorum Gebiet, N. W. Karakorum, 2450 m, H. K. Paffen 281 (M); Shahimal, between Phandar & Terro village, S. M. A. Kazmi 5799 (M); Chitral Dist.: Utakan, W. of Chitral, at edge of fields, 9.9.1958, J. D. A. Stainton 3236 (E; BM); Laspur Gol, village Harchin, c. 20 km from Mastuj on way to Shendur pass, c. 2600 m, sandy-clay soil, erect annual herb, c. 1 m tall, fls. yellow, rare, 26.6.1987, A. Ghafoor & S. Omer 3111 (KUH); Gilgit expedition (N of Hindukush), Dr. Giles 228 (K); Gilgit, 20.8.51, Azim & Shabeel s. n. (RAW); A-8 Gulmit, Hunza, growing along a wheat field, yellow heads, 35-45 cm tall, 8.7.1982, Saood Omer 412 (KUH); Hunza, 9.8.1954, ± 7000 ft., R. R. Stewart s. n. (MICH); Nagar village area, 7800 ft., overgrazed meadows and waste places, irrigated and cultivated area, fls. yellow, 28.8.1960, O. Polunin 6422 (E, BM); A-8 Kashmir, Zaskar, Karsha, 20.7.1933, W. Koelz 5793 (MICH); Karakorum, Hispar village area, Nagar State, 10, 600 ft., 20.8.1960, dry fields in irrigated area, fls. yellow, O. Polunin 6356 (BM); B-7 Hazara Dist.: 1 mile from Babusar on way to Gilgit, M. Qaiser & Azmat Ali 5396 (KUH); 10 miles from Babusar on way to Gilgit, S. Abedin & M. Qaiser 9141 (KUH); Khaplu Mordmer, Ghanche, common in sandy soil, Mir Ajab Khan & M. Afzal 1648 (GH); B-8 Baltistan, Environs of Skardo, 6900-7500 ft., 6 Aug. to 4 Sept., Schlagintweit Cat. No. 671 (MEL); Skardo to Satpar Valley, Sept. 2, 1856, Schlagintweit Cat. No. 5518 (L); Gurikote, Astore, 31.8.1980, S. Omer & M. Qaiser 2448 (KUH); Baltistan, Skardu, Hushe Tal, Österreichiche Karakorum expedition 1970, Sine Collector s. n. (K); Skardu, 35° 17´.60 N, 75° 37´.0 E, ± 8000 ft., Aug. 5, 1940, R. R. Stewart 20396 (RAW); Kashmir, Regio temp., 8000 ft., 1848, T. T. s. n. (K); Baltistan, Satpura nullah, 10-11000 ft., 13.7.1892, J. F. Duthie 12020 (CAL, O); Skardu, 35° 17´.60 N, 75° 37´.0 E, ± 8000 ft., a perennial herb, M. A. Siddiqui, Y. Nasir & Zaffar Ali 4196 (BM); Kashmir, lower Sind valley, ± 6000 ft., Sept. 7, 1922, R. R. Stewart s. n. (K); Sind valley, Hankar, borders of maize fields, 2100 m, 11.9.1983, G. Hassan Dar 8560 (KUH); Kashmir, without definite locality, R. R. Stewart 9922 (RAW); Baltistan, near Kasurmik, ± 9000 ft., 15.8.1940, R. R. Stewart 20708 (RAW); Baltistan Gol, ± 8000 ft., E. Nasir & G. L. Webster 5873 (RAW); B-9 Ladak, M. L. Wathen s. n. (K); C-7 Baltal, Scinde valley, Kashmir, 9500 ft., 20.8.1928, R. R. Stewart 9922 (PH); Kashmir, Baltal, common, ±9000 ft., 28.8.1922, R. R. Stewart 7573 (PH); Leh, Ladakh, 11500 ft., Aug. 1905, A. Meebold 876 (CAL).
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Annual or biennial, erect, densely appressed canescent, 30-100 cm tall herb. Root vertical, 10-20 cm long, c. 1 cm thick, with thin branches. Stem usually single. Leaves densely appressed hairy on both sides; basal and lower stem leaves with 2-5.5 cm long petiole; lamina broadly triangular-ovate, 3-10 x 2-6 cm, usually tripinnatisect into oblong, 2-10 x 0.5-2 mm, obtuse segments; uppermost in the floral region linear, entire, acute. Capitula heterogamous, numerous, hemispherical, 3-4 x 6-7 mm, remote, pedunculate, nodding in a long, narrow, 10-30 x 5-10 cm panicle with ± erect, 5-10 cm long, remote branches. Involucre 4-5-seriate, phyllaries sparsely puberulous, outermost linear-oblong, c. 2.5 x 1 mm, hyaline appendage at tip; median ± elliptic, c. 3 x 1.75-2.5 mm, with broadly scarious hyaline margins, obtuse; inner ones obovate, c. 4-4.5 x 3 mm, widely scarious margined. Receptacle densely long hairy, ± convex. Florets numerous, all fertile, yellow; marginal florets usually 15-25, with filiform, ultimately basally dilated, 2-dentate, c. 1.5 mm long, glandulose corolla tube; disc-florets 80-100, with tubular, 1.75-2 mm long, 5-toothed, glandulose corolla tube. Cypselas light brown, oblanceolate, 1-1.5 mm long, finely striate.
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