www.sare.org publications manage-weeds-on-your-farm velvetleaf Velvetleaf Other common names: butter print, butter weed, pie marker, Indian mallow, velvet weed, Indian hemp, cotton weed, buttonweed, wild cotton, elephant ear, chingma, velvet leaf butterprint Abutilon theophrasti Medik. Identification of Velvetleaf Family: Mallow family, Malvaceae Habit: Tall, erect, summer annual herb Description: The stem of the seedling is hairy. Cotyledons are heart shaped, 0.13–0.5 […]
www.sare.org publications manage-weeds-on-your-farm smartweeds Smartweeds Other common names: Ladysthumb, Polygonum persicaria L. = Persicaria maculosa Gray Pennsylvania smartweed, Polygonum pensylvanicum L. = Persicaria pensylvanica (L.) Small Identification of Smartweeds Family: Buckwheat family, Polygonaceae Habit: Upright or sprawling, branched summer annual herbs Description: Seedlings have hairy edged cotyledons. The first true leaves are lanceolate to ellipse shaped and hairy on the […]
www.sare.org publications manage-weeds-on-your-farm sicklepod Sicklepod Other common names: coffeebean, javabean, coffeeweed Senna obtusifolia (L.) Irwin & Barneby = Cassia obtusifolia L. Identification of Sicklepod Family: Legume family, Fabaceae. Some botanists separate this genus and its relatives, most of which are woody, into the Caesalpinia family, Caesalpiniaceae. Habit: Upright or sprawling summer annual herb or marginally perennial shrub with compound leaves […]
www.sare.org publications manage-weeds-on-your-farm shepherds-purse Shepherd's-Purse Other common names: pick pocket, pepper plant, case weed, pick purse, shepherd’s bag, shepherd’s pouch, mother’s heart, St. James weed, witches’ pouches, toothwort, shovel plant Capsella bursa-pastoris (L.) Medik. Identification of Shepherd's-Purse Family: Mustard family, Brassicaceae Habit: Erect, winter or summer annual herb arising from a basal rosette Description: The seedling stem is light green […]
www.sare.org publications manage-weeds-on-your-farm shattercane Shattercane Other common names: sorghum, black amber cane, wildcane, milo, chicken corn Sorghum bicolor (L.) Moench ssp. verticilliflorum (Steud.) de Wet ex Wiersema & J. Dahlb. Identification of Shattercane Family: Grass family, Poaceae Habit: Tall, upright annual grass Taxonomic note: The taxonomic status of shattercane is controversial. Some recent authors have used Sorghum bicolor (L.) Moench […]
www.sare.org publications manage-weeds-on-your-farm sandburs Sandburs Other common names: Field sandbur, Cenchrus spinifex Cav. = C. pauciflorus Benth. = C. incertus M.A. Curtis) Longspine sandbur, Cenchrus longispinus (Hack.) Fernald Southern sandbur, Cenchrus echinatus L. Identification of Sandburs Family: Grass family, Poaceae Habit: Tufted, usually annual grasses with stems rooting at the lower nodes but curving upward to become erect. Field sandbur […]
www.sare.org publications manage-weeds-on-your-farm russian-thistle Russian-Thistle Other common names: Russian tumbleweed, Russian cactus, tumbling Russian-thistle, glasswort, burning bush, saltwort, prickly glasswort, wind witch, tumbleweed Salsola tragus L. = S. iberica (Sennen & Pau) Botsch. ex Czerep. Identification of Russian-Thistle Family: Goosefoot family, Chenopodiaceae Habit: Erect, branched summer annual herb Description: The seedling stem is striped with reddish-purple streaks. Cotyledons are fleshy, […]
www.sare.org publications manage-weeds-on-your-farm quackgrass Quackgrass Other common names: quitch grass, couch grass, wheat grass, shelly grass, knot grass, scotch grass, quick grass, twitch grass, witchgrass, devil’s grass, bluejoint, pondgrass, Colorado bluegrass, false wheat, dog grass, seargrass, quickens, wickens, stroil Elymus repens (L.) Gould = Elytrigia repens (L.) Desv. ex Nevski = Agropyron repens (L.) P. Beauv. Identification of Quackgrass Family: […]
www.sare.org publications manage-weeds-on-your-farm purple-nutsedge Purple Nutsedge Other common names: nut grass, coco grass, nut sedge, coco sedge, coco, purple nutgrass Cyperus rotundus L. Identification of Purple Nutsedge Family: Sedge family, Cyperaceae Habit: Erect, grass-like perennial herb with triangular stems and three-ranked leaves that forms extensive networks by rhizomes and tubers. Description: Seedlings and young vegetative shoots are upright, light green with […]
www.sare.org publications manage-weeds-on-your-farm prickly-sida Prickly Sida Other common names: spiny sida, prickly mallow, false mallow, Indian mallow, thistle mallow, teaweed Sida spinosa L. Identification of Prickly Sida Family: Mallow family, Malvaceae Habit: In the temperate zone, it behaves as an upright summer annual; in tropical regions, it is a somewhat shrubby perennial. Description: Seedlings have notched, round to heart-shaped, 0.3–0.6 inch-long […]