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Lauraceae

樟科

特徵描述
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特徵描述

作者

LlAO, JIH CHING

型態特徵

Evergreen rarely deciduous trees, shrubs or vines, often aromatic. Leaves alternate, rarely opposite, simple, usually coriaceous, sometimes membranaceous, punctate, exstipulate. Inflorescences various, such as umbels, racemes, panicles or cymose-panicles; flowers actinomorphic, bisexual or unisexual, yellow or greenish; calyx usually 6-parted, the segments in 2 whorls; petals 0; stamens in 3-4, rarely more, whorls of 3, some often reduced to staminodia, perigynous or epigynous, anthers 2- or 4-celled, rarely 3-celled, opening by uplifting valves; ovary usually superior and free, rarely inferior, 1-celled, 1-ovuled, style filiform. Fruits berries or drupes, indhiscent; seed 1.

Widely distributed in the tropics, especially in S. E. Asia and Brazil, and a smaller number in temperate regions. About 45 genera and 2,250 species; about 20 genera, 423 species, 43 varieties and 5 forms in mainland China; 13 genera, 60 species, 12 varieties and 2 forms in Taiwan (including 9 species and 1 variety introduced); a few genera are cultivated as ornamentals and for food. The avocado, cinnamon and camphor are articles of commerce.

參考文獻

Lindera 釣樟屬

作者

LlAO, JIH CHING

型態特徵

Dioecious, evergreen or deciduous trees and shrubs. Leaves with 3-5 main veins or pinnate veins. Flowers in pseudo-umbels; involucre included in large, persistent, decussate bracts; tepals 6 or 0; male flowers with 9, 12 or sometimes more stamens, 1st and 2nd whorles of stamens eglandular, 3rd whorl of stamens with 2 glands, filaments usually slender, anthers 2-celled, usually introrse, but those of 3rd whorl lateral; ovary stipitate or 0; female flowers with staminodia as many as stamens of male flowers; stigma peltate, conspicuous. Fruit drupe, globose to ellipsoid.

參考文獻

標本列表

學名 中名 標本數