Sinapis arvensis ssp. arvensis

From Bugwoodwiki
5438620
Taxonomy
Kingdom:
Plantae
Phylum:
Magnoliophyta
Class:
Magnoliopsida
Order:
Capparales
Family:
Brassicaceae
Genus:
Sinapis
Species:
S. arvensis
Subspecies:
S. arvensis ssp. arvensis
Scientific Name
Sinapis arvensis ssp. arvensis
L.
Scientific Name Synonyms
Brassica kaber
(DC.) L. C. Wheeler
Common Names
wild mustard

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.

Resources

Images from Bugwood.org


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