Dioscorea batatas
家山藥
cultivated
Dioscorea batatas Decne.
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
Decne., Revue Horticole ser. 4 3: 243. 1854. (Rev. Hort. IV)
台灣首次記錄發表文獻
Liu & Huang, Flora of Taiwan 5: 101. 1978. (Fl. Taiwan)
異名
-
Dioscorea opposita auct. non Thunb.Ting et al., Flora Reipublicae Popularis Sinicae 16(1): 114. 1985. pro parte. (Fl. Reip. Pop. Sin.)
各語言俗名
-
中淮山. 田薯. 佛掌薯.
-
日ながいも.
-
台Chhân tsû.
參考文獻
-
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)
特徵描述
生活型
twiner
形態特徵
- Tubers long, fleshy, mostly cylindrical, to 1 m in length; stems right-twining, stout, ridged, glabrous, often violet.
- Leaves opposite, rarely whorled or alternate; blades oblong-triangular or ovate-triangular, apex acuminate, base hastate-cordate, sometimes truncate, 6-10 cm long, 3-6 cm wide, 7-9-nerved; petiole ca. 3 cm long; veins purple; bulbils axillary, globular, obovoid, 0.5-1 mm wide.
- Flowers spicate; staminate spikes 1-3, axillary; staminate flowers sessile, greenish white, numerous, ca 40 per spike, perianth 6-lobed; stamens 6, pistilate spikes pendulous.
- Capsules obovate, 3-winged.
分布
- 台灣 : Commomly cultivated in Taiwan for the edibe subterranean tubers.
- 世界 : Mainland China, Japan, and the Ryukyus.
引證標本
TAIPEI: Peitou, Hsiao 450, 452. HUALIEN: Agriculture Farm. Huang et al. 17327.
參考文獻
典藏標本
共有 1 份典藏標本
030761
, 山本由松 Yoshimatsu Yamamoto
台北 Taipei
, 山本由松 Yoshimatsu Yamamoto
台北 Taipei