Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Jacobaea vulgaris
FAMILY
Asteraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Senecio jacobaea
FAMILY
Asteraceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Jacobaea vulgaris
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)
Senecio jacobaea
COMMON NAME:
Tansy Ragwort, Stinking Willie
To see larger pictures, click or hover over the thumbnails.
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_seja_001_lvd
)
USDA / Selected Weeds of the US. 1970 swus_page_429
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Jacobaea vulgaris
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Senecio jacobaea
FAMILY
Asteraceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Jacobaea vulgaris
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 19-20-21
Senecio jacobaea
4195
Forb
Biennial/Rarely perennial
Habitat: Roadsides, disturbed areas, per Weakley's Flora
Non-native: Europe
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
This plant may be causing problems in natural areas outside its native range, according to authorities such as:
LEAVES:
Simple: Pinnately lobed or divided
Alternate
FLOWER:
Summer/Fall
Rays: Yellow
Disc: Yellow
Inferior ovary
FRUIT:
Summer/Fall
TO LEARN MORE about this plant, look it up in a good book!
- New Invaders of the Northeast and Northcentral US (Rawlins et al., 2018) p091
- Newcomb's Wildflower Guide (Newcomb, 1977) p378
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".