Comparing Common Native Roses
by Bruce Homer-Smith

 

Here are some common, native California Roses (genus Rosa). 

 

California Rose (Rosa Californica)

Wood Rose
(Rosa gymnocarpa)

Ground Rose

(Rosa spithamea)

Plant Habit

A thicket to 6 feet

Individual canes to 6 feet

Open, low growing to 20 inches

Hip

Sepals stay attached.

Bright red.  Sepals fall off.

Abundant stalked glands.  Sepals stay attached.

Prickles

Thick base, few.  Often curved.

Slender, straight

Slender, straight.

 

 

California Wild Rose (Rosa californica) – Grows in a thicket, to 6 feet tall.  Prickles curved, with a thick base.

 

Drawing © John Muir Laws

 

 

Wood Rose (Rosa gymnocarpa) – A loose shrub, to 6 feet tall.  Many slender, straight prickles.  Sepals fall off rose hip.  3 or 4 leaflet pairs.  Other roses have 3 or less.

 

Drawing © John Muir Laws

 

 

Ground Rose (Rosa spithamea) – A subshrub, growing 1 or 2 feet tall.  Slender, straight prickles.  Hips have many stalked glands.  Hip falls with sepals attached.

Photo © Neal Kramer

 

 

Want More?

 

Check out Barbara Ertter’s page on Native California Roses. 

 

Corrections/Comments: bruce@PlantID.net

Copyright: https://PlantID.net/Contributors.aspx