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

100. Syneilesis Maximowicz, Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans. 9: 165. 1859.

兔儿伞属 tu er san shu

Authors: Yilin Chen & Bertil Nordenstam

Herbs, perennial, robust. Basal leaves peltate, palmately parted, long petiolate, densely crisped-hairy when young. Cotyledon involute before blade opens; stem leaves alternate, petiole basally amplexicaul. Capitula discoid; florets tubular, many, arranged in terminal corymb or panicles. Involucres narrowly tubular or cylindric, base with 2 or 3 linear bractlets; phyllaries 5, unequal, inner phyllaries broader, outer phyllaries narrow. Receptacle flat, glabrous, alveolate. Florets pale white to pale red, bisexual, fertile, irregularly lobed. Anthers basally hastate, appendages shortly acute. Style branches elongate, outside hairy, apically obtuse or triangular. Achenes cylindric, glabrous, many ribbed. Pappus many, unequal or subequal, finely bristly; seedlings with a single cotyledon.

Seven species: E Asia, mainly in China, Japan, and Korea; four species (three endemic) in China.

1 Capitula arranged in panicles; leaves 12-20(-25) cm in diam.   4 S. subglabrata
+ Capitula arranged in flat-topped corymbs   (2)
2 (1) Leaf segments narrow, 2.5-8 mm wide.   1 S. aconitifolia
+ Leaf segments usually broader than 8 mm   (3)
3 (2) Leaves submembranous when dry; synflorescence branches spreading.   2 S. australis
+ Leaves subleathery when dry; synflorescence branches not spreading.   3 S. hayatae

Lower Taxa


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