Struthiopteris spicant

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Struthiopteris spicant
Blechnum spicant (fertile and sterile fronts).jpg

Secure (NatureServe)
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Class: Polypodiopsida
Order: Polypodiales
Suborder: Aspleniineae
Family: Blechnaceae
Genus: Struthiopteris
Species:
S. spicant
Binomial name
Struthiopteris spicant
(L.) F.W.Weiss
Synonyms[1][2]

Struthiopteris spicant, synonym Blechnum spicant, is a species of fern in the family Blechnaceae, known by the common names hard-fern[3] or deer fern. It is native to Europe and western North America. Like some other species in the family Blechnaceae, it has two types of leaves. The sterile leaves have flat, wavy-margined leaflets 5 to 8 millimeters wide, while the fertile leaves have much narrower leaflets, each with two thick rows of sori on the underside.

The Latin specific epithet spicant is of uncertain origin, possibly referring to a tufted or spiky habit.[4]

S. spicant is hardy down to −20 °C (−4 °F) and evergreen, growing to 0.5 m (1 ft 8 in).[5] It has gained the Royal Horticultural Society's Award of Garden Merit.[6]

The species was first described in 1753 by Carl Linnaeus as Osmunda spicant. It has been placed in a wide range of genera, including Blechnum (as Blechnum spicant).[1] In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), it is placed in the genus Struthiopteris, in the subfamily Blechnoideae.[7]

References[edit]

  1. ^ a b "Blechnum spicant (L.) Roth". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2019-08-12.
  2. ^ Gasper, André Luís De; Dittrich, Vinícius Antonio De Oliveira; Smith, Alan Reid & Salino, Alexandre (2016-09-21). "A classification for Blechnaceae (Polypodiales: Polypodiopsida): New genera, resurrected names, and combinations". Phytotaxa. 275 (3): 191–227. doi:10.11646/phytotaxa.275.3.1. ISSN 1179-3163. Retrieved 2019-08-11.
  3. ^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.
  4. ^ Harrison, Lorraine (2012). RHS Latin for Gardeners. United Kingdom: Mitchell Beazley. ISBN 184533731X.
  5. ^ RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 1405332964.
  6. ^ "RHS Plant Selector - Blechnum spicant". Retrieved 17 June 2013.
  7. ^ PPG I (2016). "A community-derived classification for extant lycophytes and ferns". Journal of Systematics and Evolution. 54 (6): 563–603. doi:10.1111/jse.12229.

External links[edit]