Dicksonia squarrosa, the New Zealand tree fern, whekī or rough tree fern, is a common tree fern endemic to New Zealand. It has a slender black trunk that is usually surrounded by many dead brown fronds.
This species has a fast growth rate of up to 10–80 cm (4–31 in) a year, growing to about 6 m (20 ft) tall. It produces few fronds, all of which sprout in almost horizontal fashion. The fronds reach 1.5–3 m (4 ft 11 in–9 ft 10 in) in length, much smaller than Cyathea varieties, and are quite crisp ...
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