特徵描述
作者
YANG, Yuen-Po and LU, Sheng-You
型態特徵
Trees or erect or scandent shrubs or climbers, polygamous or dioecious, evergreen or deciduous. Leaves usually opposite, simple, trifoliolate or pinnate, entire or toothed, estipulate. Inflorescence terminal or axillary, cymose or thyrsoid or dichasial. Flowers actinomorphic, perfect or unisexual; calyx small, 4-lobed or 4-parted; corolla sympetalous, 4-lobed or rarely 6–9-lobed, lobes imbricate or valvate in bud, sometimes almost free, rarely reduced; stamens usually 2, epipetalous, longitudinally dehiscent; ovary superior, 2-celled, ovules usually 2, apical or basal in each cell, style simple, terminal with a simple or 2-lobed stigma. Fruit a drupe, berry, capsule or samara; seeds with a large straight embryo, with or without endosperm.
屬
A worldwide, woody family with about 28 genera and more than 400 species in temperate and tropical regions. Five genera in Taiwan.
參考文獻
Jasminum 素英屬
作者
YANG, Yuen-Po and LU, Sheng-You
型態特徵
Deciduous or evergreen shrubs, climbing (in Taiwan), branchlets terete or quadrangular. Leaves opposite or sometimes alternate, simple or pinnate, leaflets tri-nerved or pinnate-nerved; petioles articulate. Inflorescence dichasial or cymose or thyrsoid or rarely solitary. Flowers bisexual, actinomorphic; calyx 4–11-lobed; corolla 4–11-lobed, tube long, lobes imbricate in bud; stamens 2, inserted on upper part of corolla tube, filaments short; ovary 2-celled, each cell usually with 2 ovules, style simple, stigmas 2. Fruit a berry, usually 2-lobed, 2–4-seeded; seeds with little or without endosperm.
參考文獻
- YANG, Yuen-Po and LU, Sheng-You, Flora of Taiwan, second edition 4: 134. 1998. (Fl. Taiwan 2nd edit.)
- Miao, B. M., Bulletin of Botanical Research 4(1): 88-111. 1984. (Bull. Bot. Res.)
