找植物
找標本
電子書

Burmanniaceae

水玉簪科

特徵描述
屬列表
標本列表

特徵描述

作者

OHASHI, Hiroyoshi, LEOU, Chong-Sheng and HSIEH, Tsung-Hsin

型態特徵

Annual or perennial, saprophytic or autotrophic herbs. Leaves usually spread or alternate, simple, without stipules, cauline leaves mostly reduced to scales, sometimes well developed and crowded at base of stem. Flowers solitary or in capitate or cymose inflorescence, hermaphrodite, usually actinomorphic. Perianth consisting of 2 whorls. Stamens 3 or 6, each with a connective. Ovary inferior, 1-celled with parietal placentation or 3-celled with axile placentation. Ovules numerous, anatropous, with 2 integuments. Fruit usually capsular, sometimes fleshy, crowned by persistent perianth-tube and style, or by a basal perianth-tube, dehiscing irregularly or with transverse slits at top. Seeds numerous, with endosperm.

The family consists of 16 genera ca. 160 species. Widespread except Europe, mostly tropical, north to Japan and E. USA, south to New Zealand. Two genus in Taiwan.

參考文獻

Burmannia 水玉簪屬

作者

OHASHI, Hiroyoshi, LEOU, Chong-Sheng and HSIEH, Tsung-Hsin

型態特徵

Annual or perennial, saprophytic and colorless or chlorophyllose. Flowers solitary or cymose at apex; perianth-tube cylindrical or trigonous, often 3-winged, 6-lobed, outer 3 lobes much larger than the inner ones, inner ones 3, smaller, sometimes lacking. Stamens 3, subsessile in perianth throat; thecae dehiscing laterally with transverse slites. Ovary 3-celled with axile placentation, without glands; style filiform, branching into 3 stigmas. Capsules mostly dehiscing irregularly, with persistent perianth. Seeds oblong or ellipsoid.

參考文獻

標本列表