Basic Information:

基本資料:

Scientific Name:
Bombax ceiba L.

名稱:
木棉

Common Name:
Tree Cotton, Red Kapok Tree

俗名:
木棉，紅棉，英雄樹，攀枝花

Family Name:
Bombacaceae

科屬:
木棉科

Habit:
Deciduous tree

習性:
落葉喬木

Origin Name:

Exotic; provinces in South to Southwest China, also distributed in other regions of tropical Asia. Hot-dry river bank and savannah are the native habitats of the species.

原產地:

外來；中國南至西南各省，亞洲其他熱帶地區亦有分佈。本種的原生境為乾熱河谷及稀樹草原。

Features:

特徵:

Height:
Up to 25m tall

高度:
可高達25米

Stems:
Bark of trunk greyish white. Trunk of young trees always have rivet-shaped, thick, conical spines at the base. Trunk is usually single and upright. Branches spreading horizontally, clearly layered.

莖:
主幹樹皮灰白色。幼樹的主幹基部常具如柳釘的圓錐狀粗刺。樹幹常單一筆直，分枝平展，層次分明。

Leaf:

Palmately compound, with 5 to 7 leaflets, oblong, with acuminate apex.

葉:

掌狀複葉，小葉5至7塊，長圓形，葉端漸尖。

Flower:

• Mostly bright red, some orange-red or even yellow. Calyx cup-shaped, 3- to 5- lobed, lobes semiorbicular. Corolla fleshy, 5-lobed, lobes obovate-oblong. Stamen many.
• Flowering: Apr - May

花:

• 多為紅色，亦有橙紅色和黃色。花萼杯狀，裂成3至5裂片，萼片半圓形。花冠肉質，5裂，裂片倒卵狀長圓形。雄蕊多。
• 花期: 4 - 5月

Fruit:

• Capsule, ellipsoid, obtuse, with dense greyish-white indumentum, dehiscent.
• Fruiting: May

果實:

• 蒴果，橢球體，鈍，表面密被灰白色毛被，開裂。
• 果期: 5月