Rorippa sylvestris
歐亞葶藶
naturalized
Rorippa sylvestris (L.) Besser
名彙資訊
特徵描述
典藏標本
數位照片
分布位置
相關資訊
名彙資訊
學名發表文獻
Besser, Enumeratio Plantarum 27. 1822. (Enum. Pl.)
台灣首次記錄發表文獻
Hsieh, Taiwania 50(4): 297. fig. 1-9. 2005.
異名
無
各語言俗名
無
參考資料
特徵描述
生活型
herb
形態特徵
- Herbs, perennial, 30–50 cm tall, glabrous or sparsely pubescent.
- Rosette leaves soon withered, similar to cauline leaves. Cauline leaves deeply pinnatifid; petiole not auriculate; leaf blade 3.5–15 × 1–4.5 cm; lateral lobes 3–6 on each side of midvein, sublinear, lanceolate, oblong, elliptic, or ovate, margin dentate or serrate, sometimes subentire; uppermost leaves with 1–3 lateral lobes or not lobed, often subsessile.
- Fruiting pedicels 8–12 mm, slender, divaricate. Sepals green or yellow, oblong, 1.8–3(–3.5) × 0.7–1.5 mm, ascending or spreading. Petals yellow, spatulate, 2–5 × 1–2 mm, apex rounded.
- Fruits linear, 0.5–1cm.
物候
Flowering and fruiting from May to September. 2n = 48.
分布
- 台灣 : in wet places and at edges of vegetable fields.
- 世界 : China (Xinjiang, Liaoning), India, Japan, Kashmir, Russia, Tajikistan, Uzbekistan; SW Asia, Europe; introduced in North and South America.
引證標本
TAICHUNG.: Wuling, T. H. Hsieh 3001.