Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Ageratina roanensis
FAMILY
Asteraceae__
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Ageratina at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Ageratina altissima var. roanensis
FAMILY
Asteraceae__
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)
Ageratina altissima var. roanensis
SYNONYMOUS WITH Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)
Eupatorium rugosum var. roanense
INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-021?:
Eupatorium rugosum FAMILY Asteraceae__
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Eupatorium roanensis
COMMON NAME:
Appalachian White Snakeroot, Appalachian Milk-poison, Appalachian Snakeroot
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_euur4_001_lvd
)
JK Marlow jkm100626_111
June Avery County NC
The Roan Highlands
Leaves generally deltoid (the base generally subcordate or truncate), per Weakley's Flora.
COMPARE
leaves of Snakeroot species
)
JK Marlow jkm100626_114
June Avery County NC
The Roan Highlands
)
Stephanie C. Brundage scb_091521gsmnp13rw2
September Swain County NC
Great Smoky Mountains National Park
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Ageratina roanensis
FAMILY
Asteraceae__
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Ageratina altissima var. roanensis
FAMILY
Asteraceae__
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 19-20-21
Ageratina altissima var. roanensis
SYNONYMOUS WITH
Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)
Eupatorium rugosum var. roanense
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-021?:
Eupatorium rugosum
FAMILY
Asteraceae__
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Eupatorium roanensis
3435
Forb
Perennial
Habitat: Moist forests, often abundant at high elevations, per Weakley's Flora
Native to the Carolinas & Georgia
Common in Mountains
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Opposite
Petioles 1.5-6cm long
FLOWER:
Summer/Fall
Disc: White
Rays: Absent
Inferior ovary
Bisexual
FRUIT:
Summer/Fall
Lustrous black
TO LEARN MORE about this plant, look it up in a good book!
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p148
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p107?
- Wildflowers of Tennessee (Carman, 2005) p272?
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p321?
- Wildflowers of the Southern Mountains (Smith, 1998) p180?
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
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