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

10. Tanacetum tatsienense (Bureau & Franchet) K. Bremer & Humphries, Bull. Nat. Hist. Mus. London, Bot. 23: 103. 1993.

川西小黄菊 chuan xi xiao huang ju

Herbs, perennial, 7-25 cm tall; stems solitary or clustered, unbranched, villous with long simple white hairs, especially in upper part and near capitula. Basal leaves: petiole 1-3 cm; leaf blade elliptic or narrowly elliptic, 1.5-7 × 1-1.5 cm, 2-pinnatisect, both surfaces green, sparsely villous or glabrous; primary lateral segments 5-15-paired; ultimate segments linear. Stem leaves similar, sessile. Capitula solitary, terminal. Involucre coryliform, 10-20 mm in diam.; phyllaries in 4 rows, scarious margin dark brown or brown, outer phyllaries linear-lanceolate, ca. 6 mm, middle and inner ones narrowly lanceolate or broadly linear, 7-8 mm, outer and middle ones abaxially sparsely villous, inner ones abaxially glabrous. Ray florets orange-red or absent; lamina when present linear or broadly linear, ca. 2 cm, apex 3-denticulate. Achenes ca. 3 mm. Corona ca. 0.1 mm, divided to base. Fl. and fr. Jul-Sep.

Alpine meadows, thickets, gravelly places on mountain slopes; 3500-5200 m. Qinghai, Sichuan, Xizang, Yunnan [N Bhutan].

1 Capitula with ray florets.   10a var. tatsienense
+ Capitula without ray florets.   10b var. tanacetopsis

Lower Taxa


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