Oncocalamus wrightianus

Family: Arecaceae    棕櫚樹

通用名稱: 沒有已知的

枝條抗寒性區: 11     英國和美國的地帶地圖

鑑別:
Clustered (?) slender palm climbing to 10 m. Stems without sheaths 6-10 mm in diameter, with 8-15 mm; internodes ± 15 cm long. Leaf sheaths striate, moderately to sparsely armed with caducous black spines, particularly concentrated and persistent on ocrea, often sloughing off to leave raised, triangular, blister-like scars, sheath sometimes becoming bare at base; white caducous indumentum present on mature sheaths, profuse on young sheaths; ocrea horizontally truncate, without conspicuous lobe, extending to ± 3 cm. Leaves sessile, or with a very short (less than 2 cm) petiole; rachis up to 60 cm long, unarmed; cirrus 35-45 cm long, unarmed; acanthophylls, 1.0-1.8 cm long. Leaflets composed of 2-4 folds, broadly lanceolate, ovate or sigmoid, 7-15 on each side of the rachis, 10-15 cm long, 2.5-5.0 cm broad at the widest point, with 2 or more prominent veins, leaflets margins sparsely armed with rather fine spines. Flower and fruit unknown.

一般資料:
Sunmoge to Oshu road

分佈:

最初是從, Benin, Nigeria

Oncocalamus wrightianus is known only from southern Benin and Nigeria, extending eastwards to the Niger Delta.

地點: Benin, Nigeria (6.733929°N, 4.392471°E)

觀察
地圖可能並不代表完整的自然分佈。 (衛星標記,顯示觀察數據)。


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