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 Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Polypodiales
Suborder: Aspleniineae
Family: Blechnaceae
Genus: Parablechnum
Species:
P. cordatum
Binomial name
Parablechnum cordatum
(Desv.) Gasper & Salino[1]
Synonyms[1]
  • Blechnum cordatum (Desv.) Hieron.
  • Blechnum arborescens (Klotzsch & H.Karst.) Hieron
  • Blechnum capense var.ornifolium (C.Presl) Domin
  • Blechnum chilense (Kaulf.) Mett.
  • Blechnum euraddianum Brade
  • Blechnum gilliesii (Hook.& Grev.) Mett.
  • Blechnum itatiaiense Brade
  • Blechnum macahense Brade
  • Blechnum ornifolium (C.Presl) Ettingsh.
  • Blechnum peruvianum Hieron.
  • Blechnum raddianum Rosenst.
  • Blechnum reedii (Phil.) Espinosa
  • Blechnum regnellianum (Kunze) C.Chr.
  • Blechnum simile Sehnem
  • Lomaria arborescens Klotzsch & H.Karst.
  • Lomaria brasiliensis Raddi
  • Lomaria chilensis Kaulf.
  • Lomaria cordata Desv.
  • Lomaria gilliesii Hook.& Grev.
  • Lomaria ornifolia C.Presl
  • Lomaria reedii Phil.
  • Lomaria regnelliana Kunze
  • Lomaria serrulosa Desv.
  • Lomaria spissa Christ
  • Orthogramma gilliesii (Hook.& Grev.) C.Presl
  • Parablechnum chilense (Kaulf.) Gasper & Salino
  • Spicanta capensis var.gilliesii (Hook.& Grev.) Kuntze
  • Spicanta capensis var.lechleri (Mett.) Kuntze
  • Struthiopteris brasiliensis (Raddi) Maxon & Morton
  • Struthiopteris gilliesii (Hook.& Grev.) Ching

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
  1. ^ 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.
  2. ^ RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 978-1405332965.
  3. ^ "RHS Plant Selector - Blechnum chilense". Retrieved 15 April 2020.