Key to Rudbeckia
View taxon page for Rudbeckia
(For a list of species in Rudbeckia, use the above link.)
Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.
2' Stem
glabrous or nearly so; pappus a crown of
fused or ± separate
scales; disk corollas green-yellow; receptacle ovoid or
conic to columnar
3. Leaves green;
abaxial leaf Organ arising from a stem, generally composed of a stalk (petiole) and a flat, expanded, green, photosynthetic area (blade); distinguished from a leaflet by the presence in its axil of a bud, branch, thorn, or flower; sometimes with lateral, basal appendages (stipules); either simple (toothed, lobed, or dissected but not divided into leaflets) or compound (divided into leaflets).
face hairy
..... R. californica 3' Leaves blue-green,
glaucous, abaxial leaf face glabrous
4. Leaf margins entire Having margins that are continuous and smooth (i.e., without teeth, lobes, etc.).
or with a few shallow
teeth ..... R. glaucescens
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