Vauquelinia californica subsp. pauciflora (Standl.) W.J.Hess & Henrickson

University of Arizona Herbarium (ARIZ)
PLANTS OF ARIZONA
Vauquelinia californica (Torr.) Sarg. ssp. sonorensis Hess &
Henrickson
Maricopa County: Barry M. Goldwater Airforce Range, Sand
Tank Mountains, 32°39’43.3"N, 112°19,51.2"W, 2800 feet.
NE-facing steep rhyolite slope; uppermost elevational limit of
Sonoran Desert including Acacia greggii, Anisacanthus
thurberi, Calliandra eriophylla, Camegiea gigantea, Cercidium
microphyllum, Coursetia glandulosa, Encelia farinosa,
Ephedra aspera, Eriognonum fasciculatum, Fouquieria
splendens, Lycium parish», Olneya tesota, Opuntia chlorotica,
Prosopis velutina, Viguiera parishii, Yucca arizonica.
Large shrubs or small trees 2-4.5 (5) m tall; among rocks in
small narrow canyon.
Richard S. Felger 95-337, Michael Wilson, Lynwood Smith,
Steven M. Speich 10 October 1995
02720576