找植物
找標本
電子書

Sapindaceae

無患子科

特徵描述
屬列表
標本列表

特徵描述

作者

CHEN, CHING-HSIA

型態特徵

Trees, shrubs, vines or rarely herbs. Leaves usually alternate, pinnately or palmately compound, rare simple; stipules none or in some climbing species present. Flower usually small, unisexual or bisexual, in racemes, panicles or corymbs, actinomorphic or commonly zygomorphic; calyx 4–5, imbricate or valvate sepals; petals 4–5 or wanting, often with hairs or scales at the base inside; hypogynous discs well developed, situated between petals and stamens; stamens usually 8–10, the filaments distinct or united at base; ovary superior, 2–4-celled, with one or more ovules in each cell; placentation axile or parietal, the style simple or divided. Fruit various, drupaceous or capsular, entire or lobed, sometimes winged. Seeds often arillate globose or compressed, albuminous or exalbuminous.

About 150 genera and over 1,500 species, of wide distribution in the tropics and warm region.

參考文獻

Pometia 番龍眼屬

作者

CHEN, CHING-HSIA

型態特徵

Tall trees. Leaves alternate, pinnate; the leaflets subopposite, entire or serrate. Inflorescence racemes simple or paniculate, elongated, slender. Flower regular, polygamous, fascicled, small, shorter than their pedicels; sepals 4–5, valvate; petals 4–5, small, usually without scales; disc complete, annular, lobed; stamens 4–8, inserted within the disc, at length much exserted; anthers small; ovary 2–3-celled; ovules solitary; styles elongated; the stigma obtuse, emarginate. Fruit 1–2-coccous, the lobes subglobose or ellipsoid, indehiscent, smooth. Seeds exalbuminous, covered with a mucilaginous aril.

參考文獻

標本列表