Rahul Sharma (Editor)

Erysimum insulare

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Kingdom
  
Plantae

Family
  
Brassicaceae

Scientific name
  
Erysimum insulare

Rank
  
Species

Order
  
Brassicales

Genus
  
Erysimum

Higher classification
  
Wallflowers

Erysimum insulare httpsuploadwikimediaorgwikipediacommonsthu

Similar
  
Wallflowers, Erysimum arenicola, Erysimum baeticum, Erysimum teretifolium, Erysimum menziesii

Erysimum insulare is a species of wallflower known by the common name island wallflower. It is endemic to coast of southern California, including the Channel Islands. Erysimum insulare grows on coastal bluffs and sand dunes.

Description

Erysimum insulare is a perennial herb or subshrub producing a branching, erect stem 5 to 60 centimeters tall. It is lined with many hairy leaves which are linear to widely lance-shaped. The longest leaves near the base of the stem may be up to 15 centimeters long.

The top of the stem is occupied by a raceme inflorescence of many bright yellow to yellow-orange flowers. The fruit is a silique up to 10 centimeters long.

Subspecies

There are two subspecies of this plant:

  • Erysimum insulare ssp. suffrutescens — most individuals belonging in this one.
  • Erysimum insulare ssp. insulare — rare and limited to three of the northern Channel Islands in Channel Islands National Park.

    • References

    Erysimum insulare Wikipedia
    (Text) CC BY-SA