Wednesday, March 25, 2026

Finding Dwarf Owl's Clover!

The large patch. Put 9 sticks in this area. 

All on the curve at purple arrow. 
Triphysaria pusilla
Dwarf Owl's Clover
Stem slender, branched, prostrate, with growing tips turned upward. Leaves tiny, lobed many times, often coated with fine purplish or yellow-brown hairs. Tiny flowers hidden among bracts, reddish purple or sometimes yellow, include 3 shallow pouches below hooked beak. Grows in grasslands at low elevations. Native: Yes
The primary larval host plant for the endangered Bay checkerspot butterfly (Euphydryas editha bayensis) is the native dwarf plantain (Plantago erecta). Larvae also rely on secondary host plants, specifically purple owl’s-clover.
Dwarf Plantain erecta
Credit Madelaine Claire 
Checker Spotted Butterfly
This one near entrance to 36th Ct. 
Several along trail to Pavilion, left side. 3/28/26
Found outside fence.  4/7/26
Ecology: It is a facultative hemiparasite, meaning it can attach to the roots of neighboring plants to steal nutrients. It is hemiparasitic, meaning it forms root grafts with host plants to obtain water and nutrients, but makes its own food through photosynthesis.

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