Xanthosoma violaceum
紫柄千年芋
naturalized
Xanthosoma violaceum Schott
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
Schott, Oesterreichisches Botanisches Wochenblatt 3(47): 370. 1853. (Oesterr. Bot. Wochenbl.)
台灣首次記錄發表文獻
Hsu, Wang & Kuoh, Flora of Taiwan, second edition 5: 693. 2000. (Fl. Taiwan 2nd edit.)
異名
-
Xanthosoma nigrum (Vell.) Mansf.Chang, Journal of phytogeography and taxonomy 32(2): 112. 1984. nom. superfl. (J. Phytogeogr. Taxon.)
各語言俗名
無
參考文獻
特徵描述
生活型
herb
形態特徵
- Perennial herbs.
- Leaves cordate, the margins entire; petiole purple.
- Inflorescences at near apex of leafy plant, solitary or several in each floral sympodium, always appearing with leaves; spathe, ovoid to ellipsoid, persistent; spadix densely flowered, male zone longer than female zone; flowers unisexual; male flower 4-6-androus, stamens connate, anthers lateral; female flowers, yellowish ovary 2-4-locular, ovules several to numerous; stigma subhemispheric or 2-4-lobed.
- Fruit not seen.
分布
- 台灣 : Cultivated and escaped in southern Taiwan.
- 世界 : Native of tropical America.
引證標本
TAINAN: Kantoushan, Hsu 9264. TAITUNG: Lanyu Is., Chang 16756, Hunag, Hsiao & Yeh 17969.