Photo: Castilleja exserta 2.

Flower. Pipeline road, AZ, US. Wild. 1998-03-01.
Castilleja exserta (Heller) Chuang & Heckard Engl.: exserted Indian paintbrush, owl clover. Bot. syn.: Orthocarpus exsertus Heller, Orthocarpus purpurascens Benth.
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Photo: Castilleja exserta 2.