UCR - University of California, Riverside Herbarium - Vascular Plants (UCR)
UCR0104375
UCR-BPS-206474
UCR-206474
Conium maculatum L.
Apiaceae
A.C. Sanders
36835
2009-05-19
2009-5-19
T.B. Salvato
United States, California, Los Angeles, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center
34.03361 -118.085
110 meters (361ft)
Working oil field with access roads and scattered pump pads. Hillsides, mostly loam over sandstone with cobbles; very dense, c. 1.5 m tall, coastal sage scrub with Eriogonum fas., Baccharis pil., Artemisia cal., Encelia far., etc. and taller plants of Sambucus mex., Heteromeles, etc. At least partially (perhaps entire area) “revegetated” from severe disturbance a few decades past; almost no native annuals, no bulb plants, no Marah, scant Opuntia.
Flowering & Fruiting
Fairly common annual to 2 m tall, in open areas esp. moist N-facing slopes; fls. white. Forming dense local colonies, many dead stems from last year.