Brassica nigra (L.) W.D.J.Koch
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Brassica nigra (L.) W.D.J.Koch
Brassica nigra (L.) W.D.J.Koch
Nomenclature
(L.) W.D.J.Koch
L.
W.D.J.Koch
ICN
species
Brassica nigra
Classification
Vernacular names
Descriptions
Brassica nigra (L.) W.D.J.Koch
Annual herb with lax rosette. Stems erect, glabrous above, bristly below, ribbed, 0.6-1-(2) m tall. Lvs green, petiolate, sparsely bristly. Lower lvs lyrate-pinnatifid, to 16 cm long; margins dentate; terminal lobe large, 3-lobed to ovate; lateral lobes subacute, in 1-2 pairs. Upper stem lvs not lobed, becoming entire, lanceolate, 3-5 × 0.5-1 cm. Racemes to 40 cm long; buds overtopping or level with open fls. Sepals narrow-oblong, 3-4 × c. 1 mm. Petals bright yellow, 7-8 × 2-3 mm. All stamens erect. Silique quadrangular, glabrous, oblong, appressed to rachis, somewhat constricted between seeds, (6)-12-25 × 2 mm; gynophore 0; valves strongly keeled, with prominent median and weak lateral veins; beak slender, seedless, (1.5)-2-4 mm long. Seeds red-brown, c. 1 mm diam.
Taxonomic concepts
Brassica nigra (L.) W.D.J.Koch
Brassica nigra (L.) Koch
Collections
Metadata
030ca3c4-88cd-4964-bee7-d99b0b41858e
scientific name
Names_Plants
1 January 2000
13 January 2012