|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
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|Family: Apiaceae (Umbelliferae)||View Description||Dichotomous Key|
|Genus: Foeniculum||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Foeniculum vulgare Mill.
Habit: Perennial herb, taprooted, 0.9--2 m, glabrous, glaucous, anise- or licorice-scented. Stem: erect, branched, solid. Leaf: petiole 7--14 cm, conspicuously sheathing; blade 3--4 dm wide, triangular-ovate, finely pinnately dissected, segments 4--40 mm, thread-like. Inflorescence: umbels compound, peduncled; bracts, bractlets 0; rays 15--40, unequal, 1--4 cm, spreading-ascending to ascending; pedicels 18--25, 1--10 mm, +- equal. Flower: calyx lobes 0; petals wide, yellow, tips narrowed. Fruit: 3.5--4 mm, oblong-ovate, compressed side-to-side, glabrous; ribs +- equal, prominent, acute; oil tube 1 per rib-interval; fruit axis divided to base. Seed: face generally flat. Chromosomes: 2n=22.
Ecology: Roadsides, disturbed sites; Elevation: < 1600 m. Bioregional Distribution: CA-FP, W&I; Distribution Outside California: native to southern Europe; widely escaped from cultivation in western hemisphere. Flowering Time: May--Sep Note: Locally abundant, invasive.
eFlora Treatment Author: Lincoln Constance & Margriet Wetherwax
Jepson Online Interchange
Weed listed by Cal-IPC
Previous taxon: Foeniculum
Next taxon: Glehnia
Citation for this treatment: Lincoln Constance & Margriet Wetherwax 2017. Foeniculum vulgare, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=25972, accessed on January 20, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 20, 2017.