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

2. Ajania tibetica (Hook. f. & Thomson) Tzvelev, Fl. URSS. 26: 410. 1961.

Tanacetum tibeticum Hook. f. & Thomson ex C. B. Clarke, Comp. Ind. 154. 1876; Hook. f., Fl. Brit. Ind. 3: 319. 1881; R.R.Stewart, Ann. Cat. Vasc. Pl. W. Pak. & Kashm. 787. 1972; B.D.Naithani in Hajra et al., Fl. Ind. 12: 66. 1995.

A densely grayish appressed pubescent perennial herb with several, caespitose, upwardly profusely leafy, up to 10 (-12) cm tall, erect or ascending stems from upright, much branched profusely gray-pubescent rootstock. Leaves with narrowly winged long petioles, dense pubescence hiding punctate indistinct glands, lamina elliptic to broadly oblanceolate, 10 – 15 mm long, 8 – 10 mm wide, twice palmatisect into linear-oblong or narrowly elliptic ultimate segments, beset with gray pubescence. Capitula yellow-flowered, subglobose, 8 – 10 mm across, on 10 – 15 mm long peduncles, in terminal, simple or compound corymbs. Involucre campanulate, 6 – 8 mm in diameter, phyllaries broadly light brownish scarious-margined, outer oblong-lanceolate to narrowly deltoid-ovate, c. 3 mm long, median and inner ones elliptic to obovate or suborbiculate, 4.5 – 6 mm long, obtuse. Marginal florets female, uniseriate, fertile, with slender, narrow, 2-4-toothed, c. 2.5 mm long corolla tube. Disc-florets numerous, bisexual, with cylindrical, 2.5 – 3 mm long, 5-toothed corolla tube. Cypselas homomorphic, obconic, 1.8 – 2.2 mm long, light brown.

Fl. Per.: July-September.

Type: In Sikkim et Himalaya boreali-occidentali, ad 15000-18000 ped. J.D.Hooker & T. Thomson (K).

Stony and gravelly slopes, sand-mixed dry gravel beds in subalpine to alpine zone between 3000 and 5000 m; Distribution: Kazakstan, Pakistan, India, China (Xizang).

Reported by R. R. Stewart (l.c.) under Tanacetum tibeticum from Karakorum, Nubra, Ladak, Zanskar etc.


 

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