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Alsophila alderwereltii is a tree fern from the montane forests of Mount Sago in central Sumatra, reaching 4 m or more with fronds 1 to 2 m long. It is a cool, humid forest plant, and it is rarely grown outside its native range.
Alsophila alderwereltii, synonym Cyathea alderwereltii, is a species of tree fern endemic to Mount Sago in central Sumatra, where it is nevertheless abundant and grows in forest at an altitude of 1000–1500 m. It has an erect trunk which may be 4 m tall or more. Fronds are bi- or tripinnate and 1–2 m long. The stipe of this species is spiny at the base and covered with scattered scales that are dark brown, glossy, and have a narrow paler margin. Sori are produced near the fertile pinnule midvein and are covered by small, brown scale-like indusia.
A. alderwereltii is named after Cornelis Rogier Willem Carel van Alderwerelt van Rosenburgh (1863–1936), a Dutch pteridologist who worked extensively in the Sunda region.
Alsophila abbottii · Alsophila acanthophora · Alsophila acuminata · Alsophila alleniae · Alsophila alpina · Alsophila amboinensis · Alsophila aneitensis · Alsophila apiculata · Alsophila apoensis · Rough tree fern · Alsophila balanocarpa · Alsophila batjanensis
Text excerpted from the Wikipedia article Alsophila alderwereltii by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
