Thursday, November 4, 2010

Blechnum | cartilaginem | Occidentale

Blechnum | cartilaginem | Occidentale
Blechnum
Family – Polypodiaceae.
A cosmopolitan genus of ferns with 220 species. The following species are commonly grown.


Blechnum cartilaginem
Stipe scaly ,covered with short , hard , tubercular excrescences Fronds pinnate , broadly lance-shaped.

Blechnum Occidentale
Stipes erect , scaly , fronds pinnate , lance –shaped , acuminate.

Asplenium

Asplenium










Classification of Asplenium

Scientific classification
Kingdom: Plantae
Division: Pteridophyta
Class: Pteridopsida
Order: Polypodiales
Family: Aspleniaceae
Genus: Asplenium
L.
Type species
Asplenium marinum


Family – Polypodiaceae.

A large genus of cosmopolitan ferns. The following spines are commonly grown in gardens.