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

15. Tanacetum pulchrum (Ledebour) Schultz Bipontinus, Tanaceteen. 49. 1844.

美丽匹菊 mei li pi ju

Pyrethrum pulchrum Ledebour, Icon. Pl. 1: 20. 1829; Chrysanthemum pulchrum (Ledebour) C. Winkler; Tripleurospermum pulchrum (Ledebour) Ruprecht.

Herbs, perennial, 15-35 cm tall, rhizomatous; stems solitary or clustered, unbranched, villous with long, curved, simple hairs, especially in upper part and near capitula. Basal leaves: petiole to 4 cm; leaf blade linear or linear-oblong, 2-10 × 1-2 cm, 2-pinnatisect, both surfaces green, glabrous or somewhat villous; primary lateral segments 6-12-paired; ultimate segments linear or linear-lanceolate. Stem leaves similar, gradually smaller, sessile. Capitulum solitary, terminal; peduncle villous with rather dense and fluffy curved hairs. Involucre coryliform, 15-25 mm in diam.; phyllaries in 5 rows, scarious margin broad, dark brown, outer phyllaries ovate or broadly ovate, 5-6 mm, middle and inner ones elliptic or broadly linear, 8-10 mm, outer and middle ones abaxially villous with long simple hairs, inner ones abaxially glabrous. Ray florets white; lamina linear, 1.5-3 cm, apex entire. Achenes 2.5-3 mm. Corona 1-1.2 mm, divided to base. Fl. and fr. Aug.

Kobresia meadows, rocky slopes; ca. 2600 m. Xinjiang (Altay Shan) [Kazakhstan, Mongolia, Russia].


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