找植物
找標本
電子書
名彙資訊
學名發表文獻
Gmel. 1796. Systema Naturae . . . editio decima tertia, aucta, reformata 2: 853. (Syst.)
台灣首次記錄發表文獻
Hayata. 1917. General Index to the Flora of Formosa 3. (Gen. Ind. Fl. Formos.)
異名
-
Brasenia purpurea (Michx.) Caspary
各語言俗名
-
中蓴、蓴菜、莼菜、水葵
-
英Water shield
-
日じゆんさい
參考文獻
-
Yang. 1982. A list of plants in Taiwan. (List Pl. Taiwan)
特徵描述
生活型
herb
形態特徵
- Aquatic herbs; rhizomes slender.
- Leaves elliptic, 5–6.5 cm long, 3–4.5 cm wide, shiny green above, usually purplish beneath; petioles 5–19 cm long, slender, slightly puberulous.
- Flowers small, solitary, purple, 10–20 mm across; sepals 3; petals 3, linear, glabrous outside, puberulous inside; stamens ca. 30, filaments ca. 1 cm long, puberulous; carpels ca. 8, free, style and stigma puberulous; peduncles 5–10 cm long.
- Fruit ca. 8 mm long, elliptic-ovoid, beaked.
分布
- 台灣 : very rare, in a few ponds in Ilan County.
- 世界 : Sporadically distributed in tropical and temperate regions of both the Old and New Worlds.
引證標本
ILAN: Tsaopei, Lai s. n. 1977.
參考文獻
典藏標本
共有 4 份典藏標本
168320
M.J.Lai
宜蘭 Ilan
1977/4/22
M.J.Lai
宜蘭 Ilan
1977/4/22
168321
M.J.Lai
宜蘭 Ilan
1977/4/22
M.J.Lai
宜蘭 Ilan
1977/4/22
168322
M.J.Lai
宜蘭 Ilan
1977/4/22
M.J.Lai
宜蘭 Ilan
1977/4/22
168323
M.J.Lai
宜蘭 Ilan
1977/4/22
M.J.Lai
宜蘭 Ilan
1977/4/22








