wild mustard
Sinapis arvensis ssp. arvensis L.


Sinapis arvensis ssp. arvensis is an annual herb with leafy, erect, branched stems.
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.
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.
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.

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State Regulated List

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

Invasive Listing Sources

Taxonomic Rank

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Dilleniidae
Order: Capparales
Family: Brassicaceae
Genus: Sinapis
Subject: Sinapis arvensis ssp. arvensis L.

Synonyms and Other Names

Related Scientific Names:
Brassica kaber (DC.) L. C. Wheeler (Synonym)