特徵描述
作者
HSIEH, CHANG-FU, LING, LAI-KUAN and YANG, KUOH-CHENG
型態特徵
Erect evergreen trees or shrubs. Leaves alternate, simple, usually serrate, penninerved, estipulate. Flowers axillary, rarely terminal, solitary, occasionally fasciculate, actinomorphic, usually bisexual, often with 2 bracts below the calyx. Sepals mostly 5, imbricate, free or very shortly united, often unequal. Petals 5, rarely 4 to many, free or basally connate, imbricate. Stamens numerous, rarely as few as 5, free or connate below, usually adnate to base of petals. Ovary superior, rarely half-inferior, mostly 3–5-celled, ovules 2 to many in each cell, placentas axile; styles as many as carpels, free or partly connate. Fruit a berry or drupaceous, but often capsular; seeds 1 to many, winged or wingless; embryo large, straight or curved; endosperm present or absent, rarely abundant.
屬
Nearly 17 genera, with about 600 species; mostly distributed in eastern and southeastern Asia, with several genera in South America, Central America, Africa and southeastern United States; nine genera in Taiwan.
參考文獻
Adinandra 楊桐屬
作者
HSIEH, CHANG-FU, LING, LAI-KUAN and YANG, KUOH-CHENG
型態特徵
Trees or shrubs. Leaves coriaceous, alternate, usually shallowly serrate. Flowers axillary, solitary or in pairs, bisexual, the pedicels long, bearing near apex 2 bracteoles; sepals 5, connate at base; stamens numerous, 1- to 5-seriate, adnate to the base of corolla, filaments usually united, anthers basifixed, hispid, connective prolonged, mucronate; ovary 3- or 5-celled; style simple, persistent, filiform, rarely 3- to 5-branched; ovules usually numerous in each cell. Fruit globose or ovoid, indehiscent; seeds numerous to few.
參考文獻
種列表
- Adinandra dumosa 叢生楊桐
- Adinandra elliptica
- Adinandra epunctata 無腺楊桐
- Adinandra formosana 台灣楊桐
- Adinandra formosana var. obtusissima 鈍葉楊桐
- Adinandra hainanensis 海南楊桐
- Adinandra lasiostyla 毛柱楊桐
- Adinandra loheri
- Adinandra macrantha
- Adinandra millettii 黃瑞木
- Adinandra montana
- Adinandra obscurinervia
- Adinandra rubropunctata
- Adinandra ryukyuensis
