Pentaphylacaceae
五列木科
特徵描述
[ Theaceae 茶科 ]
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
- HSIEH, CHANG-FU, LING, LAI-KUAN and YANG, KUOH-CHENG. 1996. Flora of Taiwan, second edition 2: 662. (Fl. Taiwan 2nd edit.)
- Keng, H. 1950. Taiwania 1: 223-268.
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.
About 70 species, mostly in the southeastern Asia and China, others in India, New Guinea and tropical Africa. Two species and one variety in Taiwan.
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