mulberryweed USDA PLANTS SYMBOL: FAVI
Fatoua villosa (Thunb.) Nakai
Synonym(s): hairy crabweed

Mulberryweed is an annual that can grow to 2.6 ft. (0.8 m) tall. Stems are branched, erect and have hooked hairs. Leaves are alternate, stipulate (deciduous), petiolate, 1-3.9 in. (2.5-10 cm) long, 0.4-2.8 in. (1-7 cm) wide with toothed (pointed or rounded) margins. Flowering occurs in the summer and fall. Flowers are light green, unisexual, apetalous and occur in axillary cymes. Fruit is a one-seeded achene that is less than 1/10 in. (0.8 mm) long. Mulberryweed is native to East Asia and occurs in wetlands and other moist, shaded areas. It is problematic in greenhouses and nurseries. The first known population in the United States was in Louisiana in 1964.

Identification, Biology, Control and Management Resources

Selected Images from Invasive.orgView All Images at Invasive.org


Foliage; with flowers
Nancy Loewenstein, Auburn University, Bugwood.org
Additional Resolutions & Image Usage

Foliage; with flowers
Nancy Loewenstein, Auburn University, Bugwood.org
Additional Resolutions & Image Usage

Plant(s);
Mark Czarnota, University of Georgia, Bugwood.org
Additional Resolutions & Image Usage

Plant(s); young plant
Mark Czarnota, University of Georgia, Bugwood.org
Additional Resolutions & Image Usage

Plant(s);
Mark Czarnota, University of Georgia, Bugwood.org
Additional Resolutions & Image Usage

Plant(s);
Nancy Loewenstein, Auburn University, Bugwood.org
Additional Resolutions & Image Usage