Parablechnum cordatum (synonyms Blechnum cordatum, Blechnum chilense),[1] the Chilean hard fern or costilla de vaca (Chilean Spanish for "cow's rib"), is a fern of the family Blechnaceae, native to Chile. It is also found in neighboring areas of Argentina and the Juan Fernández Islands.
| Parablechnum cordatum | |
|---|---|
| |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Polypodiophyta |
| Class: | Polypodiopsida |
| Order: | Polypodiales |
| Suborder: | Aspleniineae |
| Family: | Blechnaceae |
| Genus: | Parablechnum |
| Species: | P. cordatum
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| Binomial name | |
| Parablechnum cordatum (Desv.) Gasper & Salino[1]
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| Synonyms[1] | |
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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.[2]
This plant has gained the Royal Horticultural Society's Award of Garden Merit.[3]
Sources
edit- ^ a b c Hassler, Michael & Schmitt, Bernd (November 2019). "Parablechnum cordatum". Checklist of Ferns and Lycophytes of the World. 8.11. Retrieved 2019-12-24.
- ^ RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 978-1405332965.
- ^ "RHS Plant Selector - Blechnum chilense". Retrieved 15 April 2020.
- (in Spanish) Florachilena.cl
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