Rapistrum rugosum

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Scientific Name Rapistrum rugosum USDA PLANTS Symbol
Common Name Bastard Cabbage ITIS Taxonomic Serial No.
Family Brassicaceae (Mustard) Texas Invasives Reference
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Description Habitat: Roadsides, disturbed sites, waste places, and fields.
Plant: Erect annual with branched stems 8 to 40 inches tall; lower foliage coated with rough hairs.
Leaves: Basal leaves 4 to 12 inches long on petioles, oblanceolate to obovate and either divided (lyrate-pinnatifid) or coarsely toothed; a few much smaller stem leaves.
Inflorescence: Small yellow flowers closely grouped in branched racemes at tips of stems; 4 sepals with hood-shaped tips and 4 petals 1/4 to 3/8-inch long with rounded tips.
Bloom Period: April to June.
Fruit: Two-segmented, stalked seed capsule, long beak at the tip, containing 1 to 2 seeds.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, SEINet and Texas Invasives.
Texas Status

© Tom Lebsack 2019