特徵描述
作者
YANG, Kuoh-Cheng and CHIU, Shau-Ting
型態特徵
Mostly shrubs or woody vines, rarely small trees or herbs. Leaves opposite, simple or pinnately compound; stipules absent or very small. Inflorescence basically cymose or with pairs of flowers which are sometimes joined toward bases of ovaries. Flowers bisexual, regular or irregular; calyx 4- or 5-toothed or lobed, tube adnate to ovary; corolla epigynous, gamopetalous, lobes 5, spreading, sometimes 2 lipped, mostly imbricate in bud; stamens (4-)5, arising from corolla tube, alternate with lobes, anthers free, 2-loculed, opening by longitudinal slits, mostly introrse; carpels 3–5, united, ovary inferior, locules 1–5, style single, stigma capitate or lobed; placenta axile; ovules 1-many in each cell, pendulous. Fruit a berry or a achene-like drupe, rarely a capsule. Seeds 1-many, embryo small, straight; endosperm copious.
屬
About 18 genera and over 450 species, mostly in temperate regions of eastern North America and eastern Asia; four genera and 24 species in Taiwan.
參考文獻
Abelia 六道木屬
作者
YANG, Kuoh-Cheng and CHIU, Shau-Ting
型態特徵
Shrubs with slender branchlets, usually deciduous. Leaves estipulate, short-petiolate, entire or dentate. Cymes axillary or terminal, sometimes panicle-like. Peduncles 1- or 2-flowered, bracteolate; bracteoles 2–4; calyx tube enclosing ovary, narrow, striate, 5-lobed, lobes narrow, persistent; corolla tubular, 5-lobed, lobes round, usually unequal; stamens 4, exserted or not; carpels 3; style slender, exserted or not. Fruit an achene-like drupe, crowned with elongated calyx lobes; seed 1, narrowly oblong.
