找植物
找標本
電子書

Gentianaceae

龍膽科

APG 4
Flora of Taiwan
特徵描述
屬列表
Centaurium 百金屬
Gentiana 龍膽屬
Lomatogonium 肋柱花屬
Nymphoides 莕菜屬
Pterygocalyx 翼萼蔓屬
Swertia 當藥屬
Tripterospermum 肺形草屬
標本列表

如頁面顯示有問題,請填寫回報表單
如有任何意見也請留言,謝謝。

特徵描述

作者

WANG, Jenn-Che, CHEN, Chih-Hsiung, LU, Chang-Tze and CHEN, Ya-Chi

型態特徵

Herbs, annual, biennial or perennial. Stems ascending, erect or twining. Leaves opposite, less often whorled, simple; stipules absent. Inflorescences simple or complex Cymess, often a thyrse, sometimes 1-flowered. Flowers bisexual, rarely plants polygamous, 4- or 5-merous. Calyx tubular. Corolla tubular, obconic, salverform, campanulate or rotate; lobes contorted, sometimes with extensions of corolla tube (plicae) between corolla lobes. Stamens inserted on corolla tube, alternate with lobes; anthers 2-locular. Nectaries absent or attached to corolla (maculas) or ovary base. Ovaries superior, 1-locular, rarely 2-locular, with parietal placentae. Fruit a 2-valved Capsule, rarely a berry. Seeds many, rarely few, small.

About 80 genera and 700 species, worldwide, mostly in temperate to frigid regions. Five genera and 26 taxa in Taiwan, of which 20 taxa are endemic.

引用文獻

作者

型態特徵

種列表

標本列表