特徵描述
作者
YING, SHAO-SHUN
型態特徵
Annual or perennial herbs, rarely small subshrubs, inermous, terrestrial or aquatic, usually with watery juice. Leaves radical or cauline, spirally arranged, rarely subopposite, simple to pinnately lobed; stipules absent or reduced to fine bristles or glands. Flowers usually hermaphroditic, hypogynous, in terminal or axillary racemes, sometimes solitary or several-clustered; sepals 4, free, imbricate, decussate in 2 series, rarely valvate; petals 4, free, usually clawed, alternating with the sepals; stamens mostly 6, 4-dynamous in 2 rows (the outer two stamens shortest) or 2-dynamous or 1–5 by reduction, or more than 6 by division (up to 16), filaments usually free, sometimes winged or dentate, anthers mostly sagittate, 1–2-celled, longitudinally dehiscent, nectaries variously arrayed around base of stamens; ovary syncarpous, of 2 carpels, usually bilocularly divided by a false septum (replum), style usually persistent, simple, stigma discoid, sometimes bifid. Fruit a capsule, dehiscing from below by two valves (a silique when more than 3 times as long as wide; a silicle when less than 3 times as long as wide), rarely lomentoid or indehiscent. Seeds 1-numerous, mostly exalate; embryo large; endosperm scanty or absent; cotyledons large, incumbent, accumbent or conduplicate.
屬
Genera up to 300, with more than 2,500 species of world-wide distribution, but mostly in temperate regions. Twelve genera with 22 species, one variety and one form in Taiwan.
參考文獻
Cardamine 碎米薺屬
作者
YING, SHAO-SHUN
型態特徵
Annual biennial or perennial herbs, often rhizomatous, rhizomes sometimes fleshy or scaly, with or without hairs simple. Leaves entire to pinnate, if pinnate then usually with a large terminal leaflet. Flowers in racemes or corymbs, white or purple, very rarely creamy or yellowish, ebracteate; sepals equal, not saccate at base; apetalous or petals equal, obovate, entire or slightly emarginate; stamens 6, sometimes 5–12; nectaries 6 or fewer; ovary subsessile, style short or elongate, stigma simple or shallowly 2-lobed. Siliques elongate, linear, valves flat, coiled, without distinct veins, septum membranous, hyaline. Seeds in one row, ellipsoid, not winged; testa smooth; cotyledons accumbent.
參考文獻
種列表
- Cardamine agyokumontana 阿玉碎米薺
- Cardamine amara 大苦水芹
- Cardamine arenicola
- Cardamine bulbosa
- Cardamine circaeoides 腎葉碎米薺
- Cardamine deutioetara
- Cardamine dictyosperma
- Cardamine flexuosa 焊菜
- Cardamine hirsuta 碎米薺
- Cardamine impatiens 水花菜
- Cardamine impatiens var. eriocarpa
- Cardamine lyrata 水田碎米薺
- Cardamine multicaulis
- Cardamine nipponica 日本焊菜
- Cardamine pensylvanica
- Cardamine pratensis
- Cardamine resedifolia
- Cardamine rhomboidea
- Cardamine scutata var. formosana 台灣碎米薺
- Cardamine silvatica
- Cardamine sp.
- Cardamine tetrandra
- Cardamine ullepitzchii
