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FOC | Family List | FOC Vol. 20-21 | Asteraceae | Tanacetum

18. Tanacetum artemisioides Schultz Bipontinus ex J. D. Hooker, Fl. Brit. India. 3: 318. 1881.

艾状菊蒿 ai zhuang ju hao

Herbs, perennial, to 60 cm tall, from woody rootstock; stems several, adpressed hairy, glabrescent. Basal and lower stem leaves petiolate. Middle stem leaves subsessile to sessile; leaf blade oblong, 1-2.5(-3) × 0.8-1.5(-2) cm, ± palmately 1- or 2-pinnatisect; ultimate segments oblong, 2-3 mm, obtuse. Synflorescence a ± lax flat-topped cyme. Capitula 3-10; peduncle short to moderately long. Involucre ± cupuliform, ca. 5 mm in diam.; phyllaries in 3 rows, pubescent, margin membranous; outer phyllaries lanceolate, ca. 3 mm, apex acute; middle and inner ones oblanceolate to narrowly obovate, 4-5 mm, apex obtuse. Receptacle convex, glabrous. All florets yellow; corolla tubular, 3-4 mm, 5-toothed. Achenes light brown.

2400-2700 m. W Xizang [?India, Pakistan].

The type gatherings of this and the following species, Tanacetum falconeri, were both collected from the border area between Xizang and Pakistan. The two species are therefore likely to be found within China. The generic position of these species with homogamous capitula needs more detailed investigation.


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