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

30. Cremanthodium trilobum S. W. Liu, Acta Biol. Plateau Sin. 3: 61. 1984.

裂舌垂头菊 lie she chui tou ju

Stem solitary, erect, 12-15 cm tall, slender, 1.5-2 mm in diam. at base, proximally glabrous, distally brown pilose. Basal leaves petiolate; petiole 2.5-9 cm, slender, glabrous, base sheathed; leaf blade abaxially pale green or purplish red when dry, adaxially dark green, ovate or ovate-cordate, 1.5-5.5 × 1-4.5 cm, thick, nitid, glabrous, white pinnate veins prominent abaxially, base shallowly cordate or subtruncate, margin crenate-dentate, apex rounded. Stem leaves smaller distally, proximal leaves shortly petiolate, sheath amplexicaul, leaf blade ovate; distal stem leaves sessile, bracteal, linear. Capitulum solitary, nodding. Involucre hemispheric, 1.2-1.4 × to 2 cm, outside glabrous, base brown pilose; phyllaries 12-14, in 2 rows, lanceolate, 2-4 mm, white ciliate, apex acuminate; inner phyllaries membranous at margin. Ray florets yellow; lamina broadly oblanceolate, 2-3 cm × 7-9 mm, apex truncate, 3-lobed; tube ca. 2 mm. Tubular florets numerous, yellow, 8-10 mm; tube ca. 1.5 mm. Pappus pale brown, slightly shorter than tubular corolla. Fl. and fr. Aug.

● Rocky slopes; 3700-4300 m. SE Xizang.


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