Key to Daucus

View taxon page for Daucus

(For a list of species in Daucus, use the above link.)

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Biennial; 

bract 

Reduced, leaf- or scale-like structure subtending a branch, cone scale, peduncle, pedicel, or flower.

 segments elongate, narrowly 

linear 

Elongate, with nearly parallel sides; narrower than elliptic or oblong.

to ± thread-like; 

umbel 

1. In flowering plants excluding Asteraceae and some other groups, an inflorescence in which three to many pedicels and, if compound, branches (rays) radiate from a common point; characteristic of but not confined to Apiaceae. 2. In Asteraceae and some other groups, an umbel-like inflorescence is one in which three to many stalked inflorescence units (e.g., heads in Asteraceae, umbels enclosed by involucres in Eriogonum), instead of individual flowers, radiate from a common point of attachment without an evident axis or branches.

central flower generally purple; fruit widest at middle ..... D. carota

1' Annual; bract segments short, linear to 

lanceolate 

Narrowly elongate, widest in the basal half, often tapered to an acute tip.

; umbel central flower white; fruit widest proximal to middle ..... D. pusillus

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