doveweed
Murdannia nudiflora

Family Commelinaceae
Lifecycle Annual
Features Non-grass monocot similar to spreading dayflower. Glabrous leaves 5 to 8 cm in length and 1 cm in width. Leaf sheath circling the stem similar to grass plant, green to purple with parallel venation. Small purplish flowers with three petals and three bracts. Flowers usually last less than one day and are extremely small. Seeds relatively large compared to other non-grass monocots-- 2 to 3 mm in diameter.
Description Annual plant common in wet, shaded areas in turfgrass. Prominent weed in St. Augustinegrass turf and other shaded turfgrass areas. Few selective control measures in turfgrass areas. Tower (dimethenamid) is effective for preemergence. Atrazine, Solitaire (sulfentrazone + quinclorac), and Celsius (thiencarbazone, iodosulfuron, and dicamba) will control doveweed postemergence; however, sometimes repeat applications are needed and there are limitations to use areas with respect to herbicide labeling.
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Individual plant: Large clump like plant. Note linear venation similar to other monocots. Waxy leaf appearance.

Broad View
Individual plant

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Leaf close up: Note waxy leaf appearance similar to other Commelineaceae family plants.

Leaf
Leaf close up

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Flowers:

Flower / Seed Head
Flowers

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Flower: Note three purple petals and three leafy bracts or sepals.

Flower / Seed Head
Flower

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Leaf sheath: Leaf sheath green to purple in color with parallel venation.

Leaf
Leaf sheath

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