Xanthosoma sagittifolium
千年芋
naturalized
Xanthosoma sagittifolium (L.) 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
如頁面顯示有問題,請填寫回報表單
如有任何意見也請留言,謝謝。
名彙資訊
學名發表文獻
Schott, Meletemata Botanica 17. 1832. (Melet. Bot.)
台灣首次記錄發表文獻
Chang, Journal of phytogeography and taxonomy 32(2): 112. 1984. (J. Phytogeogr. Taxon.)
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
- Perennial herbs.
- Leaves cordate, the margins entire; petiole green.
- Inflorescences at near apex of leafy plant, solitary or several in each floral sympodium, always appearing with leaves; spathe strongly constricted, ovoid to ellipsoid, persistent; spadix densely flowered, male zone longer than female zone; flowers unisexual; male flower white, 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 : Widely cultivated and naturalized at low elevations throughout Taiwan, common, rhizome used as pig feed and as a vegetable.
- 世界 : Native of South America.
引證標本
TAITUNG: Lanyu Is., Chang 16643, 16679.