Cyathea spinulosa Image
Cyathea spinulosa
Copyright © Phil Markey

Cyathea spinulosa

Family: Cyatheaceae   

通用名稱: Large Spiny Tree Fern

科學同義:
Alsophila spinulosa, Cyathea taiwaniana, Cyathea decipiens, Cyathea boninsimensis, Cyathea fauriei

枝條抗寒性區: 9b     英國和美國的地帶地圖

鑑別:
Trunks 4.7-6 m (15-20 ft.) tall, 15 cm in diameter. Stypes persistent, spiny (spines 3-4 mm long at base), 30-40 cm long, 1-2 cm across, greenish, purplish towards the base, fronds tripinnatifid to tripinnate; pinnae 45-60 cm long, the lower pinnae much shortened (15-20 cm long); pinnules 8-10 cm long, shor-stalked, the margins serrate; veins usually once-forked (sometimes in groups of 3 or 4); upper surface hispid alng rachis, rachillae and costae; lower surface glabrous with small thin ovate or irregular scales along costae and veins; stipe scales brown, shiny, 20 mm long, 1.5 mm wide, margins dull. Sori round, large, in rows on either side of casta; indusia thin, membranceous, globose, fugacious.

一般資料:
Observation

分佈:

工作進展情況
目前正在修訂分佈信息!

地點: Taiwan (23.507116°N, 120.811844°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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