特徵描述
作者
LIU, HO-YIH
型態特徵
Annual or perennial herbs, shrubs, trees or climbing lianas; stems often swollen at the nodes. Leaves mostly alternate; stipules often connate into a tubular sheath called an ocrea. Flowers hermaphroditic or unisexual, regular, pedicellate, articulate to the pedicel, often with stipitate base above the articulation; perianth segments (2-)5- or 6-merous, in two whorls, basally connate into a floral tube, persistent and often enlarged in fruit. Stamens usually 6–9, perigynous, in 2 whorls. Carpels mostly 3; ovary superior, unilocular; styles 1–4; ovule single, basal or free-central. Fruit an achene or a small nut, often subtended by the accrescent perianth.
屬
About 30 to 43 genera with more than 1,100 species worldwide. Three genera, with 45 species and varieties in Taiwan. Several genera, including Antigonon, Coccoloba, Fagopyrum, Muehlenbeckia, and Rheum, are in cultivation.
參考文獻
Rumex 酸模屬
作者
LIU, HO-YIH
型態特徵
Annual or perennial herbs. Leaves often dimorphic, with basal (radical) leaves differing from those near the Inflorescences; ocreae tubular, often fugacious. Flowers small, hermaphroditic or unisexual, often in whorl-like groups along the Inflorescence branches; perianth segments 6 in 2 whorls of 3, the outer remaining small and thin, the inner usually larger and expanded in fruit; valves (fruiting inner perianth segments) sometimes with marginal teeth and dorsal callous tubercles; stamens 6, in two whorls of 3; ovary 3-carpellate, styles 3, stigma fimbriate. Achenes trigonous, usually enclosed by the dry persistent inner perianth.
參考文獻
- LIU, HO-YIH, Flora of Taiwan, second edition 2: 313. 1996. (Fl. Taiwan 2nd edit.)
- Rechinger, K. H, Candollea 12: 9-152. 1949.
種列表
- Rumex acetosa 酸模
- Rumex acetosella 小酸模
- Rumex andreaeanus
- Rumex bucephalophorus
- Rumex conglomeratus
- Rumex crispus 皺葉酸模
- Rumex crispus var. japonicus 羊蹄
- Rumex lunaria
- Rumex maritimus 連明子
- Rumex nipponicus 小羊蹄
- Rumex obtusifolius 大羊蹄
- Rumex patientia 巴天酸模
- Rumex pulcher
- Rumex sanguineus 紅脈羊蹄
- Rumex scutatus
- Rumex sp.
- Rumex ucranicus 烏克蘭酸模
