Blechnum chilense

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Blechnum chilense
Blechnum chilense 2.jpg
Scientific classification
Kingdom: Plantae
Division: Pteridophyta
Class: Polypodiopsida /
 Pteridopsida (disputed)
Order: Polypodiales
Family: Blechnaceae
Genus: Blechnum
Species: B. chilense
Binomial name
Blechnum chilense
(Kaulf, 1824).

Blechnum chilense, the Chilean hard fern or costilla de vaca (Chilean Spanish for "cow's rib"), syn. B. cordatum, B. magellanicum, is a fern of the family Blechnaceae, native to Chile. It is also found in neighboring areas of Argentina and the Juan Fernández Islands.

It grows to 0.9–1.8 m (2 ft 11 in–5 ft 11 in), often developing a trunk-like appearance over time. The fertile fronds are more erect, with narrower pinnae, than the infertile ones.[1]

This plant has gained the Royal Horticultural Society's Award of Garden Merit.[2]


  1. ^ RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 1405332964. 
  2. ^ "RHS Plant Selector - Blechnum chilense". Retrieved 13 June 2013.