Key to Viburnum
View taxon page for Viburnum
(For a list of species in Viburnum, use the above link.)
Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.
1. Leaves (except distal) 3-lobed,
dentate Having margins with sharp, relatively coarse teeth pointing outward, not tipward.
, widely
ovate Egg-shaped (i.e., widest below the middle) in two dimensions (i.e., in one plane), as a leaf.
;
petiole Leaf stalk, connecting leaf blade to stem; sometimes more or less indistinct.
with a few large
glands distally, without nonglandular
hairs;
inflorescence with marginal flowers larger,
sterile ..... V. opulus 1' Leaves unlobed, coarsely dentate above middle or
entire Having margins that are continuous and smooth (i.e., without teeth, lobes, etc.).
,
elliptic In the shape of a flattened circle or ellipse; wider than linear
or ovate-lanceolate to round or
cordate Heart-shaped; often pertaining to a leaf in which the blade base on both sides of the petiole is rounded and convex.
; petiole without glands, with many nonglandular hairs throughout; inflorescence with all flowers ± alike,
fertile
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