Streptanthella longirostris (S.Watson) Rydb.

RANCHO SANTA ANA BOTANIC GARDEN
Flora of Los Angeles County, California, U.S.A.
Brassicaceae
Streptanthella longirostris (S .Watson) Rydberg
MOJAVE DESERT: ca 0.85 mi W of Three Sisters & 1.2
mi S of Black Butte. Bladed road heading N from Black
Butte Basin Road x Avenue TJ' [not on 1968 topo],
running northward to the W of BBB Rd for about 1.2
miles, then rejoining it NW of Three Sisters [buttes]. El
Mirage USGS 7.5' Quadrangle; T5N R8W, SW/4 SW/4
NE/4 section 9. Elevation ca 3100-3110 feet
Open desert dominated by Larrea tridentata with
scattered Yucca brevifolia. Substrate a very fine sand
(almost blow-sand).
Locally scattered annual; flowers pale, dull yellow.
Timothy S. Ross 4692
27 April 1991
03232441