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

33. Cremanthodium botryocephalum S. W. Liu, Acta Biol. Plateau Sin. 3: 55. 1984.

总状垂头菊 zong zhuang chui tou ju

Plants grayish green, mealy. Stem solitary, erect, 50-55 cm tall, 4-5 mm in diam. at base, proximally glabrous, distally white puberulent and brown pilose. Basal leaves petiolate; petiole 5-6 cm, slender, glabrous, winged; leaf blade broadly elliptic or oblong, 10-11 × 4-7 cm, pinnately veined, glabrous, base narrowed into a petiole, margin entire, apex obtuse. Stem leaves 7-9, smaller distally; middle leaves sessile, broadly elliptic or oblong, to 8 × 5 cm, base rounded, semiamplexicaul, margin entire, apex obtuse. Distal stem leaves lanceolate to linear, erect, adnate, base semiamplexicaul. Capitula 5 or 6, in lax raceme, nodding; peduncles 1-2 cm, white puberulent and brown pilose. Involucre nearly hemispheric, 6-8 × ca. 10 mm, outside glabrous, base hairy; phyllaries 8-10, in 2 rows, oblong, 3-4 mm wide, ciliate, apex acute; inner phyllaries broadly membranous at margin. Ray florets yellow; lamina elliptic, 5-6 × ca. 4 mm, apex obtuse, 2- or 3-dentate; tube ca. 1 mm. Tubular florets numerous, ca. 5 mm, apex dark brown; tube ca. 1 mm. Achenes (immature) oblong, ca. 4 mm. Pappus pale yellow, 2-3 mm, shorter than tubular corolla. Fl. Jul.

● Grassy slopes; ca. 3100 m. S Xizang.


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