(Coreopsis = like a bug,
from the shape of the seeds.)
LARGER or SMOOTH BUR-MARIGOLD; BROOK SUNFLOWER
(Bidens laevis; B. chrysanthemoides of Gray) Thistle family
Flower-heads - Showy golden yellow, 1 to 2 1/2 in. across,
numerous, on short peduncles; 8 to 10 neutral rays around a dingy
yellowish or brown disk of tubular, perfect, fertile florets.
Stem: 1 to 2 ft. high. Leaves: Opposite, sessile, lance-shaped,
regularly saw-toothed.
Preferred Habitat - Wet ground, swamps, ditches, meadows.
Flowering Season - August-November.
Distribution - Quebec and Minnesota, southward to the Gulf States
and Lower California.
Next of kin to the golden coreopsis, it behooves some of the
bur-marigolds to redeem their clan's reputation for ugliness and
certainly the brook sunflower is a not unworthy relative. How gay
the ditches and low meadows are with its bright, generous bloom
in late summer, and until even the goldenrod wands turn brown!
Yet all this show is expended merely for advertising purposes.
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