Dig deeper at SERNEC, a consortium of southeastern herbaria.

Check out EDDMapS.org to see where this has been reported.

B. rapa is very similar, but that plant is green vs. glaucescent in B. napus, and the petals are shorter. Learn more at Vascular Plants of North Carolina.

The seeds of this species are the source of ‘canola’ oil, the name coined by marketers from ‘Canadian’ + ‘oil’+ ‘low’ + ‘acid’ to avoid the negative connotation of the ancient name ‘rape’, per Weakley's Flora (2022)

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Brassica napus   FAMILY Brassicaceae

SYNONYMOUS WITH Flora of North America

Brassica napus

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2015)

Brassica napus

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 088-11-005:

Brassica napus   FAMILY Brassicaceae

COMMON NAME:
Rapeseed, Canola, Rutabaga

         To see larger pictures, click or hover over the thumbnails.

Terry Holdsclaw    tdh_brassica_napus

April    Catawba County    NC

Upper cauline leaves slightly to strongly clasping the stem. Petals 10-18mm long, pale yellow, per Weakley's Flora (2022).

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Brassica napus   FAMILY Brassicaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Brassica napus   FAMILY Brassicaceae

SYNONYMOUS WITH Flora of North America
Brassica napus

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2015)
Brassica napus

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 088-11-005:
Brassica napus   FAMILY Brassicaceae