Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Brassicales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Rhamphospermum nigrum
FAMILY
Brassicaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Learn more about Black Mustard from the Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Brassica nigra
FAMILY
Brassicaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Brassica nigra
SYNONYMOUS WITH Flora of North America
Brassica nigra
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Brassica nigra
COMMON NAME:
Black Mustard, Charlock
To see larger pictures, click or hover over the thumbnails.
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USDA / Selected Weeds of the US. 1970 swus_page_195
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Rhamphospermum nigrum
FAMILY
Brassicaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Brassica nigra
FAMILY
Brassicaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Brassica nigra
SYNONYMOUS WITH
Flora of North America
Brassica nigra
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Brassica nigra
3534
Forb
Annual
Habitat: Fields, disturbed areas, per Weakley's Flora
Non-native: Eurasia
Waif(s)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Basal & alternate
FLOWER:
Spring/Summer
Bright yellow (mostly uniform in color)
Radially symmetrical
4 sepals
4 petals
6 stamens tetradynamous (2 short, 4 long)
Bisexual
FRUIT:
Silique
TO LEARN MORE about this plant, look it up in a good book!
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p240
- Wildflowers of Tennessee (Carman, 2005) p085
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p111
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".