BugwoodWiki Article

wild mustard
Sinapis arvensis ssp. arvensis L.

Overview

Appearance
Sinapis arvensis ssp. arvensis is an annual herb with leafy, erect, branched stems.
Foliage
Basal leaves are obovate, oblong, or lanceolate, and 1.6-7.1 in. (4-18 cm) long with lyrate or pinnatifid margins. Cauline leaves are petiolate with undivided margins, coarsely toothed.
Flowers
Sepals are yellow to green and 0.2-0.24 in. (5-6 mm) long. Petals are yellow, and 0.35-0.47 in. (9-12 mm) long. Flowering occurs from March to October.
Fruit
Fruits are linear, 0.8-2 in. (2-5 cm) long, and conical or subulate. Seeds are reddish brown to black in color, 0.04-0.08 in. (1-2 mm) in diameter.
Ecological Threat
Sinapis arvensis ssp. arvensis can be found in disturbed areas including grain fields, and orchards. It is native to Eurasia.

Image Sets
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Maps


State Invasive List - This map identifies those states that list this species on their invasive species list. For more information, visit Invasive.org

State Invasives List

Invasive Listing Sources

Taxonomic Rank

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Dilleniidae
Order: Capparales
Family: Brassicaceae
Genus: Sinapis

Other System Links

Plants: SIARA
GRIN: 318926

Synonyms and Other Names

Related Scientific Names:

Brassica kaber (DC.) L. C. Wheeler(Synonym)