CAS - California Academy of Sciences Vascular Plants (CAS:BOT-BC)
183849
urn:catalog:CAS:BOT-BC:183849
urn:catalog:CAS:BOT:1125767
Plagiobothrys acanthocarpus (Piper) I.M. Johnst.
Boraginaceae
Ross, Tim
6895
1993-04-22
22 April 1993
United States, California, Los Angeles County, Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); 1200 m ESE of Cactus Peak summit; SE slope of 1528-foot peak, not far below its summit
33.3336111111 -118.4325
33° 20' 01" N, 118° 25' 57" W
456 meters
1495.0000000000 ft
On cobbly clay soil.
Annual, locally abundant in a very localized patch (perhaps 3 x 3 m). Corolla 2-3 mm broad, white with yellow throat; nutlets 4, prickley; prickles to 0.75 mm long, these with spreading to mostly retrorse barbs. Not seen elsewhere in vicinity. Previously unreported in the Catalina flora.