UCR - University of California, Riverside Herbarium - Vascular Plants (UCR)
UCR0007495
UCR-BPS-151370
UCR-151370
Plagiobothrys acanthocarpus (Piper) I.M. Jtn.
Boraginaceae
Steve Boyd
10409
2001-04-12
2001-4-12
United States, California, Riverside, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta
33.70528 -117.36711
Flats, shallow depressions, and gentle, low slopes with generally clay soils, occasionally with cobles and small boulders of water rounded granitic or andesitic rock. Clay soil dominated by grasses, annual, and perennial herbs, including Avena barbata, Bromus rubens, Stipa pulchra, Erodium cicutarium, Lasthenia californica, Microseris heterocarpa, Microseris douglasii ssp. platycarpha, Calandrinia ciliata, Dichelostemma pulchellum, Plagiobothrys collinus, Layia platyglossa, Plagiobothrys acanthocarpus, Allium haematochiton, Muilla maritima, Hemizonia sp., Amsinckia menziesii var. menziesii, and Amsinckia menziesii var. intermedia, with a few scattered shrubs of Ericameria palmeri var. pachylepis and Eriogonum fasciculatum.
Flowering
Annual, flowers white. Locally abundant on open clay soil.