Gayophytum heterozygum F.H.Lewis & Szweyk.

RANCHO SANTA ANA BOTANIC GARDEN
Flora of Los Angeles County, California, U.S.A.
Onagraceae
Gayophytum heterozygum Lewis & Szweykowski
SAN GABRIEL MTNS: Summit of Condor Peak.
Condor Peak 7.5' USGS quadrangle; near 34° 19'31 "N
118o13'08"W; elev. ca 5400-5445 feet.
Delicate annual, localized on decomposed granite flat
with Penstemon centranthifolius\ petals ca 3-3.5 mm long,
white drying pink.
Associated locally with Quercus chrysolepis, Q.
wislizeni, Polystichum imbricans curium, Tauschia
arguta, Eriastrum densifolium austromontanum,
Penstemon grinnellii, Keckiella ternata, Adenostoma
fasciculatum, Bromus grandis, Stipa coronata, Ceanothus
cordulatus (relictual here; only 2 plants seen), etc.
Tim Ross 6719	17 July 1992
Ill-fated hike from Mendenhall Ridge to the mouth of Breakneck
Canyon; botanical survey for the Forest Service. The last 1 5 mi
of trail shown on the map simply didn't exist.
03319171