SCIENTIFIC NAME: Brassica
COMMON NAME(S): Mustard, Cabbage (inc. brocolli, Brussels sprouts, cauliflower), Rape
FAMILY: BRASSICACEAE - Cabbage family
ORIGIN: Eurasia, 30 spp.
HABITAT: Vegetable gardens, disturbed areas
CHARACTERISTICS: Stems branched above
LEAVES: Alternate; simple, lobed or divided
FLOWERS: Yellow, small, round with 4 petals, borne numerously on erect stems
FLOWERING SEASON: Spring
FRUITS: Slender, capsule-like
ALLERGENIC PRINCIPLES: Thioglucosides, isothiocyanates
ALLERGENIC PROPERTIES: Dermatological
COMMENTS: The cabbages and mustards contain a number of chemicals that have proven allergenicity. B. oleracea L. includes cabbage, broccoli, cauliflower, Brussels sprouts, kale and kohl rabi. B. rapa L. includes turnip. B. campestris L. (Field mustard), B. kaber (DC.) L. (charlock) and B. nigra (L.) Koch (Black mustard) are naturalized occasionally throughout the region. Photodermatitis has also been reported.