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

79. Ligularia pterodonta C. C. Chang, Bull. Fan Mem. Inst. Biol., Bot. 6: 65. 1935.

宽翅橐吾 kuan chi tuo wu

Stem erect, ca. 62 cm tall, ca. 6 mm in diam. at base, shortly pale yellow pilose. Basal leaves petiolate; petiole 22-26 cm, distalmost winged; wings 4.5-5 cm wide, base enlarged sheathed, margin regularly triangularly dentate; leaf blade ovate-cordate, 13-15 × 14-16 cm, glabrous, pinnately veined, base cordate, margin densely dentate, apex acute. Middle to distal stem leaves similar but smaller. Synflorescence racemose, ca. 13 cm; leaflike bracts lanceolate, 2-2.5 cm × 2-3.2 mm; peduncles ca. 1 cm. Capitula numerous; supplementary bracts short. Involucre broadly campanulate, ca. 1 cm, outside shortly pilose; phyllaries ca. 8, in 2 rows, apex acute; outer phyllaries linear, 2-2.5 mm wide; inner phyllaries 3-4 mm wide, margin broadly membranous. Ray florets ca. 8, yellow; lamina ca. 28 × 5 mm, apex obtuse; tube ca. 5 mm. Tubular florets numerous, ca. 10.5 mm; tube ca. 4.5 mm; limb campanulate, ca. 2.5 mm wide. Achenes oblong, ca. 4.5 mm. Pappus reddish brown, ca. 4 mm, as long as tube of tubular corolla. Fl. and fr. Sep.

● Margins of scrub; ca. 4000 m. Xizang (Zayü).


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