Basic Information:

基本資料:

Scientific Name:
Roystonea regia (Kunth) O.F. Cook

名稱:
王棕，大王椰子

Common Name:
Royal palm

Family Name:
Arecaceae

科屬:
棕櫚科

Habit:
Palm

習性:
棕櫚

Origin Name:

Exotic; Cuba, Central America, Central Mexico, Caribbean and Southeast United States.

原產地:

外來；古巴、中美洲、墨西哥中部、加勒比海及美國東南部。

Features:

特徵:

Height:
Up to 30m tall

高度:
可高達30米

Stems:
Stout, with a diameter to 0.5 m. Greyish white, smooth, swollen partially, looking alike a tummy.

莖:
粗壯，直徑可達半米。灰白色，平滑，局部膨脹，彷如小肚腩。

Leaf:

Crowded at the apex of stem. Pinnate, large, pendulous like an arch, with 250 elongated-lanceolate pinnae on each side, arranged in 4 rows of different plane. Apices of pinnae shallowly 2-lobed. Leaf sheaths embrace the stem, thick and green.

葉:

莖頂聚生，羽狀全裂，大型，常弓狀下垂，每邊具250條長披針形的羽片，於不同平面排成4列，羽片頂端淺2裂。葉鞘抱莖，肥大綠色。

Flower:

• Inflorescence milky white to milky yellow, branching many, dense. Shaped like corals.
• Flowering: Mar - Apr

花:

• 花序乳白色至乳黃色，多分枝、密集，狀若珊瑚。
• 花期: 3 - 4月

Fruit:

• Subglobose to obovoid, marron (dark red) when mature, with 1 seed.
• Fruiting: Oct

果實:

• 近球狀至倒卵狀，成熟時暗紅色，含種子1枚。
• 果期: 10月