Key to Dipsacus
View taxon page for Dipsacus
(For a list of species in Dipsacus, use the above link.)
Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.
1. Receptacle bract Reduced, leaf- or scale-like structure subtending a branch, cone scale, peduncle, pedicel, or flower.
ending in a straight, ± flexible
spine;
involucre Group of bracts more or less held together as a unit, subtending a flower, fruit (acorn cup), or inflorescence.
bract generally
erect Upright; vertically oriented.
or upcurved
..... D. fullonum 1' Receptacle bract ending in a
recurved Gradually curved downward or backward.
, stiff spine; involucre bract generally ±
spreading Oriented more or less perpendicularly to the axis of attachment; often, more or less horizontal.
or
reflexed Abruptly bent or curved downward or backward.
..... D. sativus
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