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

24. Ajania trifida (Turczaninow) Muldashev, Bot. Zhurn. (Moscow & Leningrad). 68: 213. 1983.

女蒿 nü hao

Artemisia trifida Turczaninow, Bull. Soc. Imp. Naturalistes Moscou 5: 196. 1832; Chrysanthemum trifidum (Turczaninow) Krascheninnikov; Hippolytia trifida (Turczaninow) Poljakov; Tanacetum trifidum (Turczaninow) Candolle.

Subshrubs, small, to 20 cm tall. Flowering stems slender, long, gray-white, appressed pubescent. Basal leaves in rosette, leaves petiolate; leaf blade spatulate or cuneate, including cuneate-attenuate petiole, 0.5-3.5 × 0.5-0.8 cm, both surfaces gray-green, appressed white pubescent, 3-parted or -lobed; lobes short, linear or oblong-linear, apex obtuse or rounded. Middle and upper leaves usually simple. Synflorescence a terminal clustered flat-topped panicle; peduncle 0.2-1.5 cm, appressed pubescent. Capitula 3-14. Involucres narrowly campanulate, 3-4 mm in diam.; phyllaries in 5 rows, glossy, yellowish, rigidly herbaceous, scarious margin narrow, white, outer ones ovate or elliptic, 2-2.5 mm, middle and inner ones oblong to oblanceolate, 4-4.5 mm. Corolla yellow, 3-4 mm. Achenes subterete, 1.5-3 mm. Fl. and fr. Jun-Aug.

Stony desert steppes, stony mountain slopes; 900-1400 m. Nei Mongol [Mongolia].

Tzvelev (Fl. URSS 26: 412. 1961) placed this species within Ajania rather than Hippolytia on the basis of the heterogamous capitula and densely leafy woody stems without condensed vegetative shoots.


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