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DESCRIPTION:
Yellow sweetclover, a biennial, occurs in open, disturbed areas
throughout the state. Mature, erect plants are 1 to 3 feet (30
-
90 cm) tall with spreading branches. Small, oblong seed leaves
are light green. The first true leaf is cordate or round and
may have
wavy edges. Mature leaves are trifoliate, like alfalfa, except
with serration more than halfway from the tip of the leaflet
margins.
Small, yellow-flowered clusters are borne at the ends of stalks.
One or two-seeded pods have dark, ovate seeds that are irregularly
cross-ridged. Use hand weeding to remove plants before seeds are
formed. The seeds are resistant to both soil fumigation and
solarization.
Two other common sweetclovers are indian sweetclover, M. indica,
and white sweetcover, M. alba.
See UC IPM's Clovers Pest
Note for more information.
Broadleaf ID illustration.
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