Astragalus geyeri var. triquetrus (A. Gray) M.E. Jones
Fabaceae
Marc A. Baker (2009)
Marc A. Baker
16843
2009-04-06
6 April 2009
Seth Kirby
United States, Nevada, Clark County, 48 km ENE of Henderson, above Crescent Cove, 9km ENE of the top of Arch Mountain; Lake Mead National Recreation Area
N36.1607 W114.4640
396 meters
1300 ft
scrub along ridge;
Opuntia basilaris, Camissonia brevipes, C. claviformis, Chaenactis carphoclina, C. fremontii, Chorizanthe brevicornu, C. rigida, Cryptantha angustifolia, C. pterocarya, Eriogonum delfexum, E. thomasii, Guillenia lasiophylla, Loesiliastrum mathewsii, Mentzelia tricuspis, Oenothera deltoides, Pectocarya heterocarpa, Phacelia crenulata, Plantago ovata, Rafinesquia neomexicana, Schismus barbatus
locally abundant in blow-sand of steep, SE-facing slope; Flowers white