|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Apiaceae (Umbelliferae)||View Description||Dichotomous Key|
|Genus: Conium||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Conium maculatum L.
Habit: Plant 5--30 dm. Stem: generally purple-spotted or -streaked. Leaf: petiole dilated; blade 1.5--3 dm, widely ovate, generally 2-pinnate. Inflorescence: many-branched; peduncles 2--8 cm; bracts 4--6, acuminate; bractlets 5--6, 1.5--2 mm, acuminate, generally +- fused at base, scarious; rays 10--20, 1.5--5 cm. Fruit: 2--3 mm wide, ovate; ribs generally wavy. Chromosomes: 2n=22.
Ecology: Common. Moist, especially disturbed places; Elevation: < 1500 m. Bioregional Distribution: CA-FP, GB (uncommon); Distribution Outside California: America; native to Europe. Flowering Time: Apr--Jul
eFlora Treatment Author: Lincoln Constance & Margriet Wetherwax
Jepson Online Interchange
Weed listed by Cal-IPC
Previous taxon: Conium
Next taxon: Coriandrum
Citation for this treatment: Lincoln Constance & Margriet Wetherwax 2017. Conium maculatum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=20136, accessed on February 26, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 26, 2017.