Such an honor to see this beautiful flower, the only one @robberfly and I saw today. Thx robberfly!!
Was excited to show @metsa this extraordinary Bay Area plant. Discovered only in 1971. Found one in bloom! But many friends looking for it.
Living on Ring Mountain, Marin County, California, USA
After its bloom
Calochortus tiburonensis, the Tiburon Mariposa Lily, is a rare member of the genus Calochortus in the family Liliaceae. It is endemic to Marin County, California, where it is known only from one population on Ring Mountain. There it occurs on a single serpentine outcrop in grasslands from 50–150 metres (160–490 ft) in elevation....