Pinanga gracilis

Family: Arecaceae    棕櫚樹

通用名稱: Coulombe Palm

科學同義:
Areca gracilis, Nenga gracilis, Pinanga patula var. gracilis, Seaforthia gracilis

枝條抗寒性區: 10b     英國和美國的地帶地圖

鑑別:
Stems clustered, to 4 m tall, ca. 1.5 cm in diam., reddish brown. Leaves pinnate, rarely undivided; sheaths closed and forming crownshafts, 21-34 cm, green with reddish brown scales; petioles 9-13 cm; rachis 40-60 cm; pinnae (1-)3-8 per side of rachis, green abaxially, sigmoid, regularly arranged, distantly spaced; middle pinnae to 55 x 3-10 cm. Inflorescences spicate, pendulous; peduncles 1.4-4 x 0.5-0.6 cm; rachis absent; rachilla 1, 12-17 cm, straight, triangular in cross section, glabrous; triads tristichously arranged, superficial on rachilla; male flowers to 8 mm, deciduous; sepals to 1 mm, connate at base into a 3-lobed cupule; petals to 8 mm, valvate; stamens ca. 35; female flowers to 2.5 mm; sepals to 2.5 mm, rounded at apex, ciliate; petals to 2.5 mm, ciliate. Fruits red, ellipsoid, to 1.8 x 1 cm.

工作進展情況
目前正在修訂物種信息!

分佈:

最初是從, Tibet, Bangladesh, Bhutan, India, Myanmar, Nepal

Lowland to montaine rain forest, to 1200 m elevation. May be more widespread in Burma.

地點: Assam, India (25.782745°N, 92.944336°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)。
Pinanga gracilis 疊印圖像 ©2019 Trebrown - 擅自否重新分配。


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