Cyathea spinulosa Image
Cyathea spinulosa
Copyright © Phil Markey

Cyathea spinulosa

Family: Cyatheaceae   

共通名: Large Spiny Tree Fern

科学的なシノニム:
Alsophila spinulosa, Cyathea taiwaniana, Cyathea decipiens, Cyathea boninsimensis, Cyathea fauriei

耐寒ゾーン: 9b     英国と米国ゾーンの天気画像を見る

Cyathea spinulosa 知識

識別:
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.

一般的な情報:
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.

分布:

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進行中の作業
分布情報は、現在改訂中!

場所: Taiwan (23.507116°N, 120.811844°E)

観測
マップは、完全な、自然分布を表していない可能性があります。 (マーカーは、観測データを示している)。

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