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Lawn burweed (Soliva sessilis) germinates in the fall as early as September and flourishes throughout the winter. In late winter to early spring, tiny white flowers that produce the spiny seeds ...
Broadleaf weeds, such as henbit, chickweed, and lawn burweed, generally have wide leaves with a netted vein pattern. Grassy winter weeds, such as annual bluegrass, are more narrow or lance-like in ...
Both the leaves and stems are translucent and bright green, turning bright yellow in autumn. The flowers are small, borne in axillary cymes, unisexual with both genders occurring on the same plant, greenish yellow, and pollinated by wind. Flowers bloom from midsummer through early autumn. Fruits are green with purple markings.
A non-native invasive in North America, Glechoma is familiar to a large number of people as a weed, a property it shares with many others of the mint family. It can be a problem in heavy, rich soils with good fertility, high moisture, and low boron content. It thrives particularly well in shady areas where grass does not grow well, such as ...
If you are a homeowner who enjoys a green, dense lawn in the summer, then you won't want to miss our 10 tips for how to achieve the look.
The differences in broadleaf weeds' structure and growth habits make them easy to distinguish from narrow-leaved weedy grasses. [5] Most broadleaf weeds have leaves with net-like veins and nodes that contain one or more leaves, and they may have showy flowers, [6] while grassy weeds appear as a single leaf from a germinated seed. [7]
Witchweeds are characterized by bright-green stems and leaves and small, brightly colored and attractive flowers. [5] They are obligate hemiparasites of roots and require a living host for germination and initial development, though they can then survive on their own. [6] The number of species is uncertain, but may exceed 40 by some counts. [6] [7]
It is believed to have originated in Central America, but today has a pantropical distribution and is considered a weed in some areas. [4] In northern Australia, Sida acuta is considered an invasive species, and the beetle Calligrapha pantherina has been introduced as a biological control agent in an attempt to control the plant. [5]