Alpinia formosana
台灣月桃
Alpinia formosana K. Schum.
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
K. Schum., Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 27: 283. 1899. (Bot. Jahrb. Syst.)
台灣首次記錄發表文獻
同發表文獻
異名
-
Alpinia hokutensis Hayata
-
Languas formosana (K. Schum.) SasakiSasaki, Transactions of the Natural History Society of Formosa 14: 84. 1924. (Trans. Nat. Hist. Soc. Formos., 台灣博物學會會報)
各語言俗名
-
日たいわんげつとう.
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
- Plants 1.5-2.5 m, glabrous.
- Petiole 0.5-1.5 cm long. Blade 40-50 by 12-16 cm, oblong to lanceolate, tip acuminate, base oblique, glabrous on both sides except for margin; ligule 1 cm long, entire or bilobed, coriaceous, hairy on outer surface. Inflorescence a thyrse, erect, glabrous, ca. 25 cm long, lower branches 0.5-1.0 cm long, 2-flowered, upper ones 1-flowered, without bract.
- Flowers pedicellate; bracteole white, tip pink, folded around bud, glabrous, deciduous; calyx white, tip pink, tubular, 1-1.2 cm long, shortly 3-lobed and deeply split unilaterally, minutely pubescent on outer surface; corolla white, tube 1 cm long, lobes oblong, outer surface glabrous, margin ciliate, dorsal lobe 2 by 1.5 cm, laterals 2 by 1.0 cm; labellum yellowish, 2.5 by 2.5 cm, convolute, with red stripes and spots in the center, apex emarginate; staminodes subulate, 0.6 cm long, with red stripes; anther 0.5 cm long; filament 1.3 cm long; stigma funnel-form, apex densely hairy; style slender, 2.8 cm long; epigynous glands united on one side, massive, 0.5 cm long; ovary greenish, glabrous, 0.7 by 0.5 cm.
- Fruit capsular, orange-red, globose, 2.0 × 2.0 cm, costulate, glabrous. Seeds 15-25, angled; aril white, membranaceous.
- The species was proposed as a natural hybrid between A. intermedia and A. zerumbet based on its intermediate morphology.
分布
- 台灣 : scattered at low elevations.
- 世界 : Japan and the Ryukyus.
引證標本
TAIPEI: Nankang, Yang 1128; Wulai, Moo 2474; Kuanyingshan, Moo 104. NANTOU: Puli, Moo 2083; Peitou, Shimada s. n. May 1917 (Type of Alpinia hokutensis, TAI !). PINGTUNG: Pinglang, Hsu 1990. TAITUNG: Lanyu Is., Moo 2318.
引用文獻
典藏標本
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