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

Cyathea spinulosa 學問

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:
This is the tallest Taiwan fern. A relatively graceful tree fern that is pretty rare in cultivation. The fronds are very finely divided and lacy. Found in denser, darker forest than C. lepifera. Grows at the highest elevation of any tree fern in Taiwan, from 300 m to over 2500 m alt. It can handle light freezes. Listed in the 1997 IUCN Red List of Threatened Plants as rare.

分佈:

最初是從

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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