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Purple Owl's Clover (Castilleja exserta ssp. exserta)

Purple owl's clover (Castilleja exserta ssp. exserta) is a California native wildflower, but is also found in other west coast states. This annual herb is additionally known as exserted Indian paintbrush, pale purple owlclover and escobita. Like other Indian paintbrushes (e.g., giant red Indian paintbrush), purple owl's clover is a hemiparasite; that is, despite obtaining water and nutrients from the roots of a host plant, its thin leaves do enable a certain amount of photosynthesis.


Purple owl's clover (Castilleja exserta ssp. exserta). Black Diamond Mines Regional Preserve, Contra Costa County, California, USA.
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Purple owl's clover (Castilleja exserta ssp. exserta). Black Diamond Mines Regional Preserve, Contra Costa County, California, USA.
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Purple owl's clover (Castilleja exserta ssp. exserta), extreme close up view of the reproductive structures. Black Diamond Mines Regional Preserve, Contra Costa County, California, USA.
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Next Plant: Valley tassels (Castilleja attenuata)



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All images copyright Timothy Boomer. All rights reserved worldwide.