Observations of the Month: Owl's-Clover (Orobanchaceae)

Purple Owl’s-Clover (Castilleja exserta subsp. exserta) by jrebman
Parish’s or Graceful Owl’s-Clover (Castilleja densiflora subsp. gracilis) by jrebman

In San Diego County, we have two kinds of Owl’s-Clover that are annuals with mostly pinkish-purple inflorescences: Purple Owl’s-Clover (Castilleja exserta subsp. exserta) and Parish’s or Graceful Owl’s-Clover (Castilleja densiflora subsp. gracilis). Both plants are widespread in our county, but Castilleja exserta subsp. exserta is more common and ranges farther inland than Castilleja densiflora subsp. gracilis. When you examine either of these plants, it can be difficult to figure ...more ↓

Posted on March 27, 2020 18:42 by milliebasden milliebasden | 2 comments | Leave a comment
More Journal Posts

Recent observations View All

More Observations


The San Diego County Plant Atlas project is a multi-year citizen science project designed to better understand the diversity and distribution of the local flora of San Diego County, California using scientific vouchers as the primary data source. The Plant Atlas project was created by the San Diego Natural History Museum and began in 2003. This botanical endeavor has increased our knowledge of ...more ↓

Mini jrebman created this project on December 09, 2016

Is this inappropriate, spam, or offensive? Add a Flag

Logo eee 15px
Embed a widget for this project on your website