Apocynaceae

夾竹桃科

APG 4

Flora of Taiwan

特徵描述

屬列表

Alstonia 黑板樹屬

Alyxia 念珠藤屬

Anodendron 錦蘭屬

Catharanthus 長春花屬

Cerbera 海檬果屬

Ecdysanthera 酸藤屬

Holarrhena 止瀉木屬

Melodinus 山橙屬

Parsonsia 爬森藤屬

Rauvolfia 蘿芙木屬

Tabernaemontana 馬蹄花屬

Trachelospermum 絡石屬

Urseola 水壺藤屬

標本列表

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特徵描述

作者

LI, Huei-Lin and HUANG, Tseng-Chieng

型態特徵

Woody vines, shrubs or small trees, with milky latex. Leaves opposite, verticillate or rarely alternate, entire, estipulate. Flowers bisexual, regular, in terminal or axillary cymes; calyx 5-lobed, lobes imbricate, persistent. Corolla rotate to salverform, lobes (4–)5, convolute in bud, rarely valvate; stamens (4–)5, adnate to corolla tube, filaments usually short, anthers usually sagittate and acute, connivent, connectives sometimes adhering to stigma, cells sometimes extending into a spur below; ovary 2-carpellate, superior, carpels distinct at base, united at base of style, many-ovuled, with an annular cup-shaped or lobed disc at base, style 1, simple or divided. Fruit usually of 2 distinct follicles, sometimes berry-like or drupe-like; seeds various, usually compressed or with a tuft of hairs (coma); endosperm scanty, sometimes wanting.