特徵描述
作者
LIU, Ho-Yih, YANG, T. Y. Aleck, LI, Sung-Po and LI, Hen-Jung
型態特徵
Trees, shrubs, lianas, or herbs. Leaves simple, mostly entire, commonly decussately opposite, often with connate interpetiolar stipules, or sometimes whorled, or rarely stipules intrapetiolar. Inflorescence basically cymose, terminal or lateral, rarely solitary flowers. Flowers mostly complete, rarely unisexual, nearly always epigynous, often heterostyle, zoophilous or rarely anemophilous, actinomorphic or rarely zygomorphic, often tetramerous or pentamerous. Calyx adnate to the ovary, aestivation open, lobes minute or obsolete, sometimes one or more enlarged and colored. Corolla sympetalous, salverform, rotate or funnelform. Stamens as many as and alternate corolla lobes, attached within corolla tube or at mouth; anthers dithecal, opening longitudinally. Ovary nearly always inferior, often bicarpellate; style single, terminal; stigma capitate or lobed. Fruit a capsule, berry, drupe, or schizocarp.
屬
About 630 genera, especially abundant in tropical and subtropical regions; 38 genera in Taiwan.
參考文獻
Lasianthus 雞屎樹屬
作者
LI, Hen-Jung and LIU, Ho-Yih
型態特徵
Evergreen shrubs or small trees; often fetid when bruised. Leaves opposite, apex usually cuspidate-acuminate; margins entire; secondary veins arching; stipules interpetiolar. Flowers bisexual, 2-many together in axillary heads or cymes; bracts axillary. Calyx lobes 4–6, persistent, pubescent. Corolla white, pink-purple or pale violet, funnelform or salverform; tube short, hairy inside; lobes 4–6, valvate in bud, apex mucronate and hooked. Stamens 4–6, adnate to corolla tube; anthers sessile or subsessile, dorsifixed, longitudinally dehiscent, introrse, included or exserted. Ovary 4–6-celled, ovule 1 per cell; styles filiform, muricate; stigmas 4–6-branched or indistinct. Fruit a drupe, globose or ellipsoid, blue, bluish purple or blackish purple, pubescent.
參考文獻
種列表
- Lasianthus appressihirtus 密毛雞屎樹
- Lasianthus appressihirtus var. maximus 大葉密毛雞屎樹
- Lasianthus bunzanensis 文山雞屎樹
- Lasianthus chinensis 白果雞屎樹
- Lasianthus curtisii 柯氏雞屎樹
- Lasianthus cyanocarpus 毛雞屎樹
- Lasianthus fordii 琉球雞屎樹
- Lasianthus formosensis 台灣雞屎樹
- Lasianthus gracilis
- Lasianthus hiiranensis 棲蘭山雞屎樹
- Lasianthus japonicus 日本雞屎樹
- Lasianthus japonicus var. satsumensis 粗毛日本雞屎樹
- Lasianthus microphyllus 小葉雞屎樹
- Lasianthus microstachys 薄葉雞屎樹
- Lasianthus obliquinervis 雞屎樹
- Lasianthus obliquinervis var. simizui 清水氏雞屎樹
- Lasianthus obliquinervis var. taitoensis 台東雞屎樹
- Lasianthus sp.
- Lasianthus tashiroi var. hirsutus
- Lasianthus tsangii 長苞雞屎樹
- Lasianthus wallichii 圓葉雞屎樹