Voucher information | macromorphology | Plant height: 12 cm. | population biology | Rare. Growing erect in rocky, sandy soil at bottom of dry riverbed. | color | Flower color: pink, hairy. | associated species | Riparian community. Associated plants included: Platanus racemosa, Quercus agrifolia, Toxicodendron diversilobum, Baccharis salicifolia, Hirschfeldia incana, Eriophyllum confertiflorum, Cryptantha intermedia, Artemisia douglasii, Lupinus spp., Chaenactis glabriuscula, Phacelia cicutaria, and Quercus agrifolia. | |