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Perennial Weeds You May See–Fruit Development

Each name links to more information on identification and biology.

Click on photos to enlarge
Perennial clovers.
Perennial clovers
(Trifolium spp.): Pea family; perennial; seed leaves spatulate, smooth; blades taper into petiole; first leaf simple, truncated at base, round to broadly oval; later leaves with 3 leaflets per leaf, smooth, alternate, lower surface gray-green, upper surface-green; usually light-green splotch near base of each leaflet.
Johnsongrass.
Johnsongrass (Sorghum halepense): Grass family; perennial; first leaves with white midvein, 8 times longer than wide and rolled in bud; ligule membranous below and fringed or toothed above; no auricles.
Dallisgrass.
Dallisgrass
(Paspalum dilatatum): Grass family; perennial; first leaves rolled in bud; ligule membranous and tall, with bluntly pointed or rounded tip; long, silky hairs at collar; no auricles; sheaths flattened with prominent midrib; first leaf sheaths softly hairy.
Yellow nutsedge.
Yellow nutsedge
(Cyperus esculentus): Sedge family; perennial; grasslike; light-green blades, flat, slender; leaf tip long and drawn out; nutlets globe shaped, smooth, and almond flavored.
Bermudagrass.
Bermudagrass
(Cynodon dactylon): Grass family; perennial; first leaves with somewhat rough surface; ligule surrounded by ring of hairs with tuft of long hairs on either side; auricles absent; stem flat, wiry, and without hairs.

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