Cyathea medullaris Image
Cyathea medullaris
Copyright © Kahuroa

Cyathea medullaris

Family: Cyatheaceae   

Nome comune: Black Tree Fern

Sinonimia scientifica:
Polypodium medullare, Sphaeropteris medullaris, C. affinis, Alsophila extensa

Comune sinonimia:
Mamaku Tree Fern, King Fern

Freddo zona di robustezza: 9b     Mostra il Regno Unito e la zona di mappe degli Stati Uniti

Identificazione:
The more or less hexagonal scars that fallen fronds leave on its trunk and the exceptionally thick, black bases of the stipes are generally sufficient to identify Cyathea medullaris. Its trunk may be up to 20 m tall and about 60 cm in diameter at its thickened base, but more slender higher up. It has 20 to 30 fronds, slightly curving and from 2.5-6 m long by up to 2 m wide. The upper surfaces of the fronds are dark green and shiny and the under-surfaces pale.

Informazioni generali:
The tallest and noblest New Zealand tree fern.

Distribuzione:

Originaria, New Zealand

Cyathea medullaris is found from sea-level to 600 m in lowland and hilly forests throughout the North Island and in the South Island from Marlborough Sounds and Nelson to southern Fiordland,on the west. On the east it extends to about Kaikoura, is rare on Banks Peninsula and is found sparingly in eastern Otago. It also occurs on the Three Kings, Stewart and Chatham Islands.

Località: New Zealand (-41.050907°N, 173.248734°E)

Osservazioni
Mappa non può rappresentare la distribuzione naturale completo. (Markers, indicano i dati di osservazione).
Cyathea medullaris Sovrapposizione immagine ©2019 Trebrown - No autorizzate ridistribuzione.


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