特徵描述
作者
HSIEH, CHANG-FU, CHAW, SHU-MIAW and WANG, JENN-CHE
型態特徵
Herbs, shrubs, or trees, often with milky juice, sometimes fleshy and cactus-like. Leaves alternate or rarely opposite, simple or variously compound, mostly stipulate. Flowers monoecious or sometimes dioecious, mostly actinomorphic, variously disposed, with or without perianth, sometimes with a corolla; perianth valvate or imbricate; sepals and petals usually distinct; disc often present, annular or of separate glands. Staminate flowers variable, with stamens usually as many or twice as many as the petals or reduced to one, distinct or mona-delphous; anthers mostly 2-celled. Pistillate flowers with or without staminodes, often pedicellate; ovary superior, consisting of 3 or sometimes 2, or more than 3, united, 1-celled or rarely 2-celled carpels; styles 3, distinct or basally connate, each often 2-lobed; stigmas 3 or 6; placentation axile; ovules one or less commonly 2, pendulous. Fruit usually a schizocarpous capsule splitting often elastically into three 1-seeded cocci that dehisce ventrally, sometimes a drupe; seeds often with a conspicuous caruncle; endosperm mostly copious, fleshy; embryo straight.
屬
A very large family containing about 300 genera and 8,000 species, mostly tropical and subtropical; 27 genera in Taiwan.
參考文獻
Mallotus 野桐屬
作者
HSIEH, CHANG-FU, CHAW, SHU-MIAW and WANG, JENN-CHE
型態特徵
Small trees or shrubs. Leaves alternate or opposite, entire, toothed or 3¬ lobed, sometimes peltate, often glandular. Flowers small or minute, in axillary or terminal, simple or panicled spikes or racemes; petals and disc usually none. Male flowers clustered; females solitary in the bracts. Male flowers: calyx globose or ovoid, 2–5-fid; stamens 20–30 or more, crowded on a convex or flat receptacle, the filaments free, the anthers dorsifixed, globose or oblong, parallel, separated by a wide connective; pistillodes 0. Female flowers: calyx spathaceous or 2–6-lobed; ovary 2–4-celled; styles free or connate below, entire, plumose or papillate. Capsules of 2 or 3, rarely of 4 bivalved cocci, smooth, tubercled or echinate; seeds ovoid, oblong or globose.
參考文獻
種列表
- Mallotus apelta 白背葉
- Mallotus barbatus
- Mallotus contubernalis
- Mallotus echinatus
- Mallotus eriocarpus
- Mallotus floribundus
- Mallotus furetianus
- Mallotus hookerianus 粗毛野桐
- Mallotus japonicus 野桐
- Mallotus korthalsii
- Mallotus maclurei
- Mallotus macrostachyus
- Mallotus odoratus
- Mallotus palauensis
- Mallotus paniculatus 白匏子
- Mallotus paniculatus var. formosanus 台灣白匏子
- Mallotus philippensis 粗糠柴
- Mallotus ponapensis
- Mallotus pseudoverticillatus
- Mallotus repandus 扛香藤
- Mallotus resinosus
- Mallotus ricinoides
- Mallotus sp.
- Mallotus tiliifolius 椴葉野桐
- Mallotus yunnanensis 雲南野桐