OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Symphyotrichum racemosum var. subdumosum   FAMILY Asteraceae   Go to FSUS key



INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Symphyotrichum racemosum   FAMILY Asteraceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Symphyotrichum racemosum

SYNONYMOUS WITH Vascular flora of Illinois (Mohlenbrock, 2014)

Symphyotrichum racemosum var. subdumosum

INCLUDED WITHIN Flora of North America north of Mexico, vol. 19-20-21 (2006)

Symphyotrichum racemosum

INCLUDED WITHIN Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)

Aster racemosus

SYNONYMOUS WITH Gray's Manual of Botany (Fernald, 1950)

Aster vimineus var. subdumosus

 

COMMON NAME:
Small White Oldfield Aster


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

image of Symphyotrichum racemosum var. subdumosum, Small White Oldfield Aster

JK Marlow    jkm231025_6325

October    Greenville County    SC

Ashmore Heritage Preserve

Cauline lvs acute, tapering to sessile/sometimes clasping base, entire or sparsely serrate, per The Illustrated Flora of Illinois: Asteraceae, Part 1 (Mohlenbrock, 2015).

image of Symphyotrichum racemosum var. subdumosum, Small White Oldfield Aster

JK Marlow    jkm231025_6335

October    Greenville County    SC

Ashmore Heritage Preserve

Phyllary green zones oblanceolate to linear-oblanceolate, apices acute to acuminate, mucronate, per Flora of North America.

image of Symphyotrichum racemosum var. subdumosum, Small White Oldfield Aster

JK Marlow    jkm231025_6336

October    Greenville County    SC

Ashmore Heritage Preserve

Phyllaries in 4-6 series, unequal, appressed or the outer spreading, glabrous, per The Illustrated Flora of Illinois: Asteraceae, Part 1 (Mohlenbrock, 2015).

image of Symphyotrichum racemosum var. subdumosum, Small White Oldfield Aster

JK Marlow    jkm231025_6341

October    Greenville County    SC

Ashmore Heritage Preserve

image of Symphyotrichum racemosum var. subdumosum, Small White Oldfield Aster

JK Marlow    jkm231025_6343

October    Greenville County    SC

Ashmore Heritage Preserve

image of Symphyotrichum racemosum var. subdumosum, Small White Oldfield Aster

JK Marlow    jkm231025_6350

October    Greenville County    SC

Ashmore Heritage Preserve

Cauline leaves with clusters of smaller leaves in most axils; distal notably unequal in size, per Flora of North America.

image of Symphyotrichum racemosum var. subdumosum, Small White Oldfield Aster

JK Marlow    jkm231028_6469

October    Spartanburg County    SC

Peter's Creek Heritage Preserve

Phyllaries with an elongated green tip more than half as long as the phyllary, per The Illustrated Flora of Illinois: Asteraceae, Part 1 (Mohlenbrock, 2015).

image of Symphyotrichum racemosum var. subdumosum, Small White Oldfield Aster

JK Marlow    jkm231028_6704

October    Spartanburg County    SC

Peter's Creek Heritage Preserve

image of Symphyotrichum racemosum var. subdumosum, Small White Oldfield Aster

JK Marlow    jkm231028_6706

October    Spartanburg County    SC

Peter's Creek Heritage Preserve

Heads in loose racemes or scattered on branch ends, the peduncles mostly 10-20mm long, per Weakley's Flora (2023).

image of Symphyotrichum racemosum var. subdumosum, Small White Oldfield Aster

JK Marlow    jkm231028_6711

October    Spartanburg County    SC

Peter's Creek Heritage Preserve

Bracts ... are longer than those of S. dumosum and acute to sharply pointed, not blunt to acute, per Vascular Plants of North Carolina.

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Symphyotrichum racemosum var. subdumosum   FAMILY Asteraceae

INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Symphyotrichum racemosum   FAMILY Asteraceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Symphyotrichum racemosum

SYNONYMOUS WITH Vascular flora of Illinois (Mohlenbrock, 2014)
Symphyotrichum racemosum var. subdumosum

INCLUDED WITHIN Flora of North America north of Mexico, vol. 19-20-21
Symphyotrichum racemosum

INCLUDED WITHIN Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)
Aster racemosus

SYNONYMOUS WITH Gray's Manual of Botany (Fernald, 1950)
Aster vimineus var. subdumosus

 

Find by SCIENTIFIC NAME:

4650

Forb
Perennial

Native to the Carolinas & Georgia

Uncommon

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

LEAVES:
Simple
Alternate (basal leaves absent or withered at flowering, but new rosettes often present)

FLOWER:
Summer/Fall
Rays: White to light violet
Disc: Whitish-yellow becoming reddish
Inferior ovary
Disc flowers bisexual & fertile/ Ray flowers pistillate & fertile

Flower heads in loose leafy panicles

FRUIT:
Achene

 

TO LEARN MORE about this plant, look it up in a good book!



 


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