Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (2/10/25):
Symphyotrichum ontarionis var. ontarionis
FAMILY
Asteraceae
Go to FSUS key
(?)
PLANTS NATIONAL DATABASE:
Symphyotrichum ontarionis
FAMILY
Asteraceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Symphyotrichum ontarionis var. ontarionis
INCLUDED WITHIN Vascular flora of Illinois (Mohlenbrock, 2014)
Symphyotrichum ontarionis
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)
Symphyotrichum ontarionis var. ontarionis
SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) Review of the taxonomy of Aster... emphasizing New World species (Nesom, 1994)
Symphyotrichum ontarione var. ontarione
INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-47-035?:
Aster lateriflorus FAMILY Asteraceae
INCLUDED WITHIN Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Aster ontarionis
COMMON NAME:
Bottomland Aster
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_asmi14_001_lvd
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (2/10/25):
Symphyotrichum ontarionis var. ontarionis
FAMILY
Asteraceae
(?)
PLANTS NATIONAL DATABASE:
Symphyotrichum ontarionis
FAMILY
Asteraceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Symphyotrichum ontarionis var. ontarionis
INCLUDED WITHIN
Vascular flora of Illinois (Mohlenbrock, 2014)
Symphyotrichum ontarionis
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 19-20-21
Symphyotrichum ontarionis var. ontarionis
SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT)
Review of the taxonomy of Aster... emphasizing New World species (Nesom, 1994)
Symphyotrichum ontarione var. ontarione
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-47-035?:
Aster lateriflorus
FAMILY
Asteraceae
INCLUDED WITHIN
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Aster ontarionis
4900
Forb
Perennial
Habitat: Bottomlands, swamps, bogs, per Weakley's Flora
Native to Georgia & possibly South Carolina
Rare
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Alternate (basal leaves usually absent or withered at flowering, but new rosettes often present)
RHIZOMES? STOLONS?
Long rhizomatous, forming clonal colonies
FLOWER:
Summer/Fall
Rays: White
rarely lavender
Disc: Cream to light yellow becoming purple to brown
Flower heads with (10)15-26 ray flowers
Inferior ovary
Disc flowers bisexual & fertile/ Ray flowers pistillate & fertile
Flower heads in loose leafy panicles
FRUIT:
Summer/Fall
Brown
Achene
TO LEARN MORE about this plant, look it up in a good book!
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".