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

107. Cissampelopsis (Candolle) Miquel, Fl. Ned. Ind. 2: 102. 1856.

藤菊属 teng ju shu

Authors: Yilin Chen, Bertil Nordenstam & Charles Jeffrey

Cacalia sect. Cissampelopsis Candolle, Prodr. 6: 331. 1838.

Subshrubs or perennial herbs, large, scandent, climbing by means of prehensile petioles. Stems much branched, woody when old. Leaves simple, alternate; petiole prehensile, with thickened persistent bases, not auriculate; blade broadly ovate, ovate, or triangular, base cordate, unlobed, palmately 3-7-veined from near base, central vein with 1 or 2 pairs of ascending laterals. Capitula numerous, in upper axillary and terminal cymes, compounded into divaricately branching, pyramidal or paniculoid thyrses, heterogamous and radiate or homogamous and discoid, pedunculate. Involucres calyculate, cylindric or narrowly campanulate; receptacle flat; phyllaries 8 or 13, free, herbaceous, margin scarious. Ray florets absent, 5, 6, or 8; lamina yellow, spreading, 4- or 5-veined, apically usually 3-denticulate. Disk florets 8-20; corolla white, pinkish, or yellow; anthers distinctly caudate, with tail 0.5-2 × as long as antheropodia; antheropodia subcylindric or somewhat balusterform, basally hardly to slightly dilated, with somewhat enlarged basal lateral cells; endothecial cell wall thickenings comparatively few, polar and radial, cells rather short; style branches truncate or convex, with short to rather long marginal papillae and with or without a prominent central tuft of much longer papillae. Achenes cylindric, ribbed, glabrous, epidermal cells striate or smooth. Pappus capillary-like, uniform, present in all florets, white, dirty white, or rubescent.

Ten species: tropical Asia; six species (three endemic) in China.

The genus is divisible into two well-marked sections (not described here), characterized by discoid and radiate capitula, respectively.

1 Capitula radiate; corolla truly yellow   (2)
+ Capitula discoid; corolla pale yellow, white, or pinkish   (3)
2 (1) Phyllaries 5 or 8; ray florets 5 or 6, lamina 3-5 mm; pappus whitish.   5 C. buimalia
+ Phyllaries 13; ray florets 8, lamina ca. 10 mm; pappus reddish.   6 C. erythrochaeta
3 (1) Leaves leathery, margin callose-denticulate, both surfaces glabrous; phyllaries glabrous.   1 C. corifolia
+ Leaves papery to subleathery, margin repand-dentate or denticulate, abaxially tomentose, arachnoid-tomentose, or glandular pubescent; phyllaries hairy   (4)
4 (3) Florets 15-17; leaves abaxially with dense persistent yellowish white tomentum, peduncles and phyllaries densely tomentose.   4 C. spelaeicola
+ Florets 8-10; leaves, stems, peduncles, and phyllaries arachnoid-tomentose or glandular pubescent   (5)
5 (4) Leaves at least when young abaxially grayish arachnoid-tomentose; peduncles and phyllaries sparsely arachnoid-tomentose.   2 C. volubilis
+ Leaves abaxially fulvous glandular pubescent; peduncles and phyllaries glandular pubescent.   3 C. glandulosa

Lower Taxa


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