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

3. Syneilesis hayatae Kitamura, J. Jap. Bot. 10: 702. 1934.

台湾兔儿伞 tai wan tu er san

Senecio intermedius Hayata, J. Coll. Sci. Imp. Univ. Tokyo 22: 208. 1906, not Wight (1846); Cacalia intermedia Hayata (1919), not (Candolle) Kuntze (1891); Syneilesis intermedia Kitamura.

Herbs, rhizomatous. Rhizomes procumbent, short. Stem erect, 80-160 cm tall, ca. 7 mm in diam. in lower part, glabrous, sometimes with bulblets in leaf axils, corymbose branched in upper part. Stem leaves 2, lower leaves long petiolate; petiole to 20 cm, not winged, base amplexicaul; blade peltate-orbicular, ca. 35 cm in diam., subleathery, palmately parted; segments 5-9, 2-fid, lobules 15-20 mm wide, margin irregularly serrate, apex acute. Middle stem leaves smaller, segments few, shortly petiolate. Upper leaves distant, bractlike, linear-lanceolate, gradually smaller upward, apex acuminate. Capitula many, 8-10 mm in diam., arranged in terminal compound corymbs; peduncles 5-16 mm; bracts linear, 3-4 mm. Involucres tubular, 9-10 mm, base with 3 or 4 linear bractlets; phyllaries uniseriate, 4 or 5, oblong, glabrous, margin scarious, apically obtuse. Florets 14-16; corolla white, 1-1.3 cm; tube narrow, 4-5 mm, apex 5-lobed. Anthers black-purple, basally hastate. Ovary cylindric, glabrous. Style branches elongate, apically triangular, puberulent. Pappus of many bristles, reddish, ca. 1 cm, subequal. Fl. May.

● Forest understories; 300-500 m. Taiwan (Miaoli, Xinzhu).


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