Locality:
United States, California, San Luis Obispo, Camp San Luis; crk beds of bog thistle exclosure. UTMS (NAD27) zone 10, 710605 E, 3913310 N
Elevation:
300 meters (984ft)
Habitat:
With Rhamnus, Salix, Cirsium fontinale var. obispoensis, Helenium bigelovii, Mimulus guttatus, Rumex, Verbena, Scirpus, Juncus; Locally common to abundant
Description:
Emergent perennial, rooting at nodes, 4.4-10 dm tall; stem purple; lvs with rhubarb like odor, 1 pinnate below; lflets opp, clasping, ovate, serrate; infl a compound umbel; calyx green, corolla white, lobes +/- 1mm; fr immature