Chorizanthe robusta var. robusta

Chorizanthe robusta var. robusta NatureServe Explorer Species Reports — NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports — Chorizanthe robusta var. robusta ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.Chorizanthe robusta is variable in form, growing decumbent or erect and reaching a maximum length of half a meter. It is grayish in color and hairy. The inflorescence is made up of several flowers with each flower surrounded by white or pink bracts with hooked tips. The flower itself is just a few millimeters long and white to pink in color.

FWS Digital Media Library — The U.S. Fish and Wildlife Service’s National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video. You can change the display of the base map and layers by clicking on the layer control box in the upper right-hand corner. 2. California county polygons can be turned off and on in the layer control box. 3.

It is composed of two varieties:

• var. robusta, known generally as the robust spineflower, which is known only from southern Santa Cruz and Monterey Counties,
• var. hartwegii, the Scotts Valley spineflower, which is known from a few locations in Scotts Valley in Santa Cruz County.

The plant is closely related to Chorizanthe pungens, another rare endemic from the area.