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Horseweed is commonly considered a weed, and in Ohio, Oregon, and some other locations, [11] it has been declared a noxious weed. [12] [13] It was the first weed to have developed glyphosate resistance, reported in 2001 from Delaware. [14] It can be found in fields, meadows, and gardens throughout its native range.
The leaves are up to 250 mm (10 in) long and 50 mm (2 in) across, and are ovate. Their leaves could also be lanceolate-oblong or elliptically shaped, with serrated margins. The leaves' upper surface is hairless and is dark green in colour. The leaves' bases may have a petiole or be sessile. [4]
Datura stramonium, known by the common names thornapple, jimsonweed (jimson weed), or devil's trumpet, [2] is a poisonous flowering plant in the Daturae tribe of the nightshade family Solanaceae. [3] Its likely origin was in Central America , [ 2 ] [ 4 ] and it has been introduced in many world regions.
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]
Flowers and leaves. Jewelweed is a herbaceous plant that grows 0.9–1.5 m (3–5 ft) tall. [6] It often branches extensively. The round stems are glabrous (smooth) and succulent, [7] and semi-translucent, with swollen or darkened nodes on some plants.
Flatweed—leaves are edible raw, while roots are edible after being roasted. [8] Horsetail—primeval plant that is high in silica; tops are very similar to and may be eaten like asparagus. Lamb's quarters—leaves and shoots, raw, also prevents erosion, also distracts leaf miners from nearby crops.
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G. aparine is often found in post-fire plant communities in the United States, likely developing from onsite seed and therefore rendering controlled burns as an ineffective means of removing G. aparine in areas where it is considered a noxious weed. [23] Geese frequently consume the plant, hence the common names "goosegrass". [24]