Purple Owl's Clover
Castilleja exserta ssp. venusta
Color: Magenta, purple
Common name: Purple owl's clover (Note sometimes confused with owl's clover, note differences between ssp. exserta and ssp. venusta)
Latin name: Castilleja exserta ssp. venusta
Family: OROBANCHACEAE
Height: 4-18 inches tall.
Description: Corolla pouch orange-tipped which distinguishes this sub-species from ssp. exerta. (see picture below) Like others in the genus, this is a hemi-parasitic plant. The flower is tube-shaped and somewhat hidden in the colourful bracts which give the appearance of being a flower.
Leaf: 10–50 mm; lobes 5–9, ± thread-like.
Range: w Mojave Desert
Habitat: Dry sand, washes, Joshua Tree woodland Creosote Bush scrub.
Elevation: 600–900 m.
Flowering time: Mar-May
Notes: Photographed May 2, 2005, Black Canyon north of Barstow, San Bernardino County, Calif. A dicot, is an annual herb that is native to California and is endemic (limited) to California alone. Like others in the Castilleja species, it is hemiparasitic — partially parasitic — but makes some of its own food, Also photographed at Red Rock Canyon State Park, Kern County, Calif.
We have an online wildflower field guide that is designed to help you identify desert wildflowers by color, scientific name, region and common name. The pictures are sized to work on the iPod, iPhone, iPad and similar devices. With your iPod or phone you will easily be able to identify wildflowers while in the desert. Links for downloads are on the bottom of the Wildflower Field Guide page.
Photo tips: Most digital point-and-shoot cameras have a macro function - usually symbolized by the icon of a little flower. When you turn on that function, you allow your camera to get closer to the subject, looking into a flower for example. Or getting up close and personal with a bug. More on desert photography.
Mojave Desert Wildflowers - This book is the standard by which all other wildflower books are measured. The author, Jon Mark Stewart, has combined super photography with concise information. This book has an entire color page for each wildflower covered, with a discussion of the wildflower. 210 pages with 200 color photos. More...
What's Blooming Now - Check the Wildflower Reports
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