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FOC | Family List | FOC Vol. 16 | Asclepiadaceae

2. Cryptolepis R. Brown, Mem. Wern. Nat. Hist. Soc. 1: 69. 1810.

白叶藤属 bai ye teng shu

Shrubs or woody lianas. Leaves abaxially glaucous. Cymes terminal, apparently axillary or extra-axillary, pedunculate. Calyx with 5 to 10 basal glands. Flower buds cylindric, apex caudate-acuminate. Corolla salverform; tube short cylindric or campanulate; lobes overlapping to right. Corona lobes inserted near middle of corolla tube, linear or ovate, free from filaments. Filaments broad below, narrow above; anthers connate, adnate to stigma head; pollen tetrads in masses, solitary in each anther cell, pollen carriers spatulate, erect. Stigma head broadly conical. Follicles paired, widely divaricate, narrowly lanceolate in outline.

About 12 species: SE Asia, tropical Africa; two species in China.

1 Leaf blade 1.5-8 × 0.8-2.5 cm, lateral veins 5-9 pairs; cymes terminal or extra-axillary, longer than leaves; follicles to 12.5 × 0.6-0.8 cm   1 Cryptolepis sinensis
+ Leaf blade 10-18 × 4.5-7.5 cm, lateral veins ca. 30 pairs; cymes axillary, shorter than leaves; follicles 6.5-8 × 1-2 cm   2 Cryptolepis buchananii

Lower Taxa


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