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Pakistan | Family List | Pakistan V. 207 | Asteraceae | Artemisia

19. Artemisia roxburghiana Wall. ex Besser, Bull. Soc. Imp. Naturalistes Moscou. 9: 57. 1836; Hook. f., Fl. Brit. Ind. 3: 326. 1881; Pamp. in Nuov. Giorn. Bot. Ital. n. s. 34: 173. 1927; Rech. f., Symb. Afgh. 2: 56. 1955; Kitam., Fl. Afgh. 388.1960; Fl. Pl. W. Pak. 142. 1964; R.R.Stewart, l. c., 718; Tsiang & Li, Icon. Corm. Sin. 4: 539. fig. 6492. 1975; Kitam. in Hara et al., Enum. Fl. Pl. Nep. 3: 12. 1982; Podlech in Rech. f., Fl. Iran.158: 170. t. 154. 1986.

A. dubia Wall. ex Bess. var. gracilis Pamp. l. c. 36: 440. 1930; A. dubia f. acuta Pamp., l. c. 33: 426. 1926; A. dubia f. dubia, f. simlensis Pamp., l. c. 1926; A. dubia f. grata Pamp., op. cit. 451-pro parte.

Perennial, with several or single, upright or ascending, 20 – 50 (-70) cm, sulcate, whitish hairy, often purplish tinged stems from horizontally creeping, c. 1 cm thick rootstock. Leaves with short winged petiole to almost sessile, oblong-ovate to almost broadly elliptic rotund, 5 – 18 x 3 – 10 cm, rachis without lobules, very sparsely hairy and green above, densely greyish-white arachnoid beneath, bipinnatisect into obliquely patent, oblong primary lobes with lanceolate, 4 – 5 x c. 2 cm, acute-acuminate secondary segments; middle stem leaves auricled at the bases; uppermost in the floral region linear-lanceolate, entire or unipinnatisect. Capitula heterogamous, sessile or very short peduncled, narrowly ± campanulate, 3 – 4 x 2 – 3 mm, erect to ± patent, solitary or 2 – 3 together in dense glomerules, in narrowly spicate-racemose, up to 15 x 2 – 3 cm panicle with short, erecto-patent, 2.5 – 4.5 cm long branches. Involucre 4-seriate, phyllaries arachnoid hairy outside, purplish tinged; outermost ovate, 1.75 – 2 x 1 – 1.25 mm, narrowly membranous margined, acute; inner ones oblong-elliptic, c. 3 x 1 mm, obtuse, broadly scarious hyaline margined. Receptacle glabrous, ± hemispherical. Florets 20 – 38, usually purple-brown tinged, all fertile; marginal florets 5 – 8, with filiform, c. 1.25 mm long, 2-dentate corolla and long exserted style branches; disc-florets 15 – 30, with narrowly campanulate, c. 1.75 mm long, 5-toothed glandulose corolla. Cypselas brown, c. 1.25 mm long.

Fl. Per.: August-October.

Type: “In Regno Caschemyr ad Indum flumen inter Combur et Baltol”, V. Jacquemont 991 (P).

Distribution: S. China, N. India, Nepal, Pakistan, and N. E. Afghanistan.


 

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