Hydrolea zeylanica
探芹草
Hydrolea zeylanica (L.) Vahl
名彙資訊
特徵描述
典藏標本
數位照片
分布位置
相關資訊
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名彙資訊
學名發表文獻
Vahl, Symbolae Botanicae 2: 46. 1791. (Symb. Bot.)
台灣首次記錄發表文獻
Henry, A List of Plants from Formosa 62. 1896. (List Pl. Formos., 福爾摩沙植物名錄)
異名
無
各語言俗名
-
日せいろんはこべ.
參考資料
-
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan, 台灣植物名彙)
特徵描述
生活型
herb
形態特徵
- Annuals, 30–45 cm long, much-branched, stems creeping and rooting below, erect above.
- Leaves variable in shape and size, lanceolate to oblong or elliptic, 2–10 cm long, 0.5–2.5 cm broad, upper ones usually smaller, apex acute, base acute to attenuate, margins sometimes ciliolate, lateral nerves 4–11 pairs; petiole 2–5 mm long.
- Flowers solitary and opposite, or arranged in dense racemes or panicles; pedicel 2–10 mm long; calyx lobes lanceolate, 4–6 mm long, more or less glandular hairy; corolla lilac blue, segments ovate, 3–4 mm long; filaments 2.5–4 mm long, equal; ovary pubescent at apex, styles 2, divergent.
- Capsule ellipsoid, 4-5 mm long, pilose; seeds many, oblong, 0.3–0.4 mm long, brown.
物候
Flowering in the autumn.
分布
- 台灣 : in paddy fields and damp swampy situations.
- 世界 : Tropical Asia.
引證標本
PINGTUNG: Bankinsing, Faurie 550 (A, KYO). Known only from Faurie's collection in 1914.