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

109. Ligularia sachalinensis Nakai, J. Jap. Bot. 20: 140. 1944.

黑龙江橐吾 hei long jiang tuo wu

Ligularia fischeri (Ledebour) Turczaninow f. diabolica Kitamura.

Stem erect, 60-150 cm tall, 4-7 mm in diam. at base, distally and synflorescence shortly yellowish brown pilose, sometimes intermixed white arachnoid-puberulent. Basal leaves petiolate; petiole 9-53 cm, shortly yellowish brown pilose, base sheathed; leaf blade reniform or reniform-cordate, 3-30 × 5-45 cm, abaxially densely shortly yellowish brown pilose or hairy only along veins, adaxially glabrous, palmately veined, margin regularly dentate, apex rounded or acute; sinus 1/5-1/4 as long as leaf blade, broad; basal lobes oblong or suborbicular, divergent, outer margin coarsely dentate. Middle to distal stem leaves similar but smaller, shortly petiolate to sessile; sheath enlarged, shortly yellowish brown pilose, margin entire. Synflorescence racemose, 8-35 cm; proximalmost leaflike bracts (2-5 at base of synflorescence) ovate, distal ones lanceolate to linear, 9-25 × to 15 mm, herbaceous, margin dentate and ciliate, apex acuminate; peduncles 2-12 cm, smaller distally. Capitula numerous; supplementary bracts linear. Involucre campanulate, 1-1.1 cm × 5-7 mm, outside shortly yellowish brown pilose; phyllaries 6-8, in 2 rows, oblong, 2-3 mm wide, apex triangular; inner phyllaries membranous at margin. Ray florets 2-6, yellow; lamina oblong, 1.2-1.8 cm × 2-4 mm, apex rounded or acute. Tubular florets numerous, 1-1.1 cm; tube 5-6 mm. Achenes dark brown, fusiform-cylindric, 5-8 mm. Pappus yellowish brown, shorter than tubular corolla. Fl. Jul-Aug.

Grassy slopes, meadows, swamp meadows, scrub, forest margins; below 1200 m. Heilongjiang [Russia (Far East)].


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