Dioscorea collettii

華南薯蕷

Dioscorea collettii Hook. f.

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

Hook. f. 1892. The Flora of British India 6: 290. (Fl. Brit. Ind.)

台灣首次記錄發表文獻

Yamamoto. 1927. Supplementa iconum plantarum Formosanarum 3: 6. (Suppl. Icon. Pl. Formos.)

異名與其在台灣首次使用的文獻

Dioscorea gracillima Miq. var. collettii (Hook. f.) Uline ex Yamamoto

Yamamoto. 1927. Supplementa iconum plantarum Formosanarum 3: 6. (Suppl. Icon. Pl. Formos.)
Dioscorea kelungensis Hayata

Hayata. 1921. Icones Plantarum Formosanarum 10: 36. (Icon. Pl. Formos.)
Dioscorea neglecta Kunth

Masam. 1954. A list of vascular plants of Taiwan 3. (List Vasc. Taiwan)
Dioscorea tashiroi Hayata

Hayata. 1921. Icones Plantarum Formosanarum 10: 44. (Icon. Pl. Formos.)
Dioscorea tokoro Makino

Hayata. 1917. General Index to the Flora of Formosa 84. (Gen. Ind. Fl. Formos.)

各語言俗名

中

華南薯蕷、南華薯蕷
日

こうとうやまいも、つつみいも、おにどころ

參考文獻

Yang. 1982. A list of plants in Taiwan. (List Pl. Taiwan)

特徵描述

形態特徵

Scandent herbs; stem sinistrorse, slender, terete, glabrous.
Leaves alternate, oblong-triangular or lanceolate, 4-20 cm long, 4-10 cm wide, apex acuminate or caudate, base broadly auriculate; nerves 7; petiole 3-6 cm long; tubers axillary, rounded.
Staminate inflorescence an axillary solitary spike, or sometimes a panicle, 5-20 cm long; perianth 6-lobed, broadly obconic in outline, 1.5 mm long, 3 mm wide, each lobe broadly triangular, apex acute; stamens 3; staminodes 3; pistillate inflorescence a solitary spike, 5-15 cm long, slender, triangular; flowers with a bract at base; ovary inferior, triangular, 5 mm long, 1 mm wide, glabrous; perianth 6-lobed, rounded, 0.6 mm long and broad; staminodes 6, small; style columnar, 0.5 mm long, 3-cleft at apex.
Capsule 3-winged, obcordate; base obtuse, rounded, 2-3 cm long, 2.5 cm wide; seeds elliptic, 5 mm long, 2 mm wide, with membranaceous wing, wing 4 mm wide.

分布

台灣 : at edges of forests, to 2,000 m.
世界 : China and Burma.

引證標本

TAIPEI: Tawalungshan, Huang 17261; Shehting, Yang 764; Fulong, Hsiao 332, 333; Nankangshan, Kao 891. KEELUNG: Hopingdau, Hsieh 40. TAOYUAN: Litenshan, Kao 10205. HSINCHU: Kudo s. n. 1918. TAICHUNG: Wuling, Huang et al. 17392, 17393; Chinshan, Huang et al. 9657. NANTOU: Yunhai, Huang 1184; Nengkaoshan, Kao 5745; Anbu, Keng & Kao1280. CHIAYIH: Chishinliao, Yen & Kao 10729. PINGTUNG: Nanjenshan, Huang et al. 9536. HUALIEN: Agriculture Farm, Huang 17349, 17530; Chinshuishan, Shimizu & Kao 11966; Taroko, Tateishi et al. 16303; Tungmen, Tateishi et al. 16260; Hoping, Hsieh et al. 533. TAITUNG: Lanyu Is., Wu 2439, Huang & Kao 6271, Huang & Hsiao 17980, 18000.