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Cyathea archboldii
Alsophila archboldii, synonym Cyathea archboldii, is a species of tree fern native to New Guinea and Bougainville, where it is common in submontane rain forest at an altitude of 1000–3000 m. The trunk is erect and up to about 3 m tall. Fronds are bipinnate and 2–3 m long. The rachis may be purplish and has short spines and scales. The scales range in colour from pale to brown, to bicoloured (brown with dark brown) and have fragile edges. Sori occur in two rows along each side of the pinnule midvein and are covered by firm indusia.
A. archboldii has a wide altitudinal distribution and has been collected in habitats ranging from forest to alpine shrubbery. One variety, A. archboldii var. horrida, was recognised by Richard Eric Holttum in 1963.
Alsophila abbottii · Alsophila acanthophora · Alsophila acuminata · Alsophila alderwereltii · Alsophila alleniae · Alsophila alpina · Alsophila amboinensis · Alsophila aneitensis · Alsophila apiculata · Alsophila apoensis · Rough tree fern · Alsophila balanocarpa
Text excerpted from the Wikipedia article Alsophila archboldii by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
