作者

LU, SHENG-YOU

型態特徵

Trees or shrubs, sometimes spiny. Leaves alternate, simple, entire or lobed, estipulate. Flowers bisexual, actinomorphic, bracteate, in axillary cymes. Calyx-lobes 4–10, tooth-like or obsolete. Petals as many as the calyx-lobes valvate, linear to lorate, sometimes basally coherent. Stamens as many as petals or 2–4 times as many, distinct, arising from an enlarged disc; anthers 2-celled, dehiscing longitudinally. Ovary inferior, commonly 1- or rarely 2-celled, the ovule solitary, pendulous; style and stigma simple, or of 2–3 lobes. Fruit a drupe, usually crowned with the calyx-lobes, Seed with straight embryo and copious endosperm.

屬

Monogeneric.

參考文獻

作者

LI, HUI-LIN and YANG, KUOH-CHENG

型態特徵

Trees, shrubs or suffrutescent subshrubs. Leaves opposite or rarely alternate, simple, usually deciduous, petioled, estipulate. Flowers small, bisexual or unisexual, actinomorphic, in cymes or panicles or head, sometimes with showy foliaceous bracts. Sepals 4–5, distinct, valvate. Petals 4(–5) distinct mostly valate. Stamens of same number as petals and alternate with them, distinct; anthers 2-celled, basifixed or dorsifixed. Ovary inferior, 2–4- or rarely 1-celled; placentation usually axile; ovule 1 in each cell, pendulous, anatropous; style 1 or several, arising from an epigynous ring or disc, the stigmas as many as styles and subcapitate. Fruit a drupe, sometimes a berry or rarely a syncarp. Seeds with small embryo in copious endosperm.

參考文獻