台灣芭蕉(Musa formosana)形態特性之調查與分析

台灣芭蕉在1917年被報導為台灣特有的野生香蕉，為建立詳實之特性資料，透過大規模從台灣本島各地所採集的材料，進行其特性調查與分析。台灣芭蕉的主要形態特徵為；吸芽由匍匐莖發育而成，新抽出葉之葉背與中肋有紫紅色條紋。大部分的花穗在花序尚未完全自假莖頂端抽出時即開花授粉。花序基部為雙性花，授粉後發育為果實，中段為中性花，前端為雄性花。花序初始離地生長，繼而水平，終於向地，但果實仍維持水平。雄花苞苞片為淺黃色披覆不同面積的紫紅色斑點。果實成熟時，果皮淺綠色同時也披有不同面積的紫紅色斑點，後熟後則轉為土黃色。種子黑褐色，呈不規則扁平狀。平均而言，株高為1.9m，假莖圓周長為0.28m，葉長寬比為3.29，葉柄長為0.31m；每果串有5果手，每果手有9果指，果實長寬比為0.83，果柄長為3.3cm，果指重24.56g，種子百粒重為3.91g，寬高比為1.9。

關鍵字

台灣芭蕉；特有種；野生種香蕉；雙性花

並列摘要

Musa formosana is a native wild banana in Taiwan. In order to document characteristic data, detailed characterizations of 140 clones of M. formosana which were collected from the whole Taiwan islands were described. M. formosana has stoloniferous sucker, red-purple streak in the lower epidermis blades and the vein at 7-10th leaf; basal nodes bear hermaphroditic flowers which yield fruits, the bracts of male buds are yellow-green blotch red-purple streak; the fruits are ageotropic with red-purple skin when mature, but turn deep-yellow after ripen. Seeds are black-brown and flattened to angular. On average, the pseodustem height is 1.9m, pseudostem circumference is 0.28m, ratio of leaf length and width is 3.29, petiole length is 0.31m; 5 hands per bunch, 9 fingers per hand, ratio of fruit length and circumference is 0.83, fruit pedicel length is 3.3cm, fruit weight is 24.56g, 100 seeds weight is 3.91g, and ratio of seed width and height is 1.9.

並列關鍵字

Musa formosana ； Native species ； Wild banana ； Hermaphrodite

國際替代計量

台灣芭蕉(Musa formosana)形態特性之調查與分析

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