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):
Polymnia canadensis   FAMILY Asteraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Polymnia canadensis   FAMILY Asteraceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Polymnia canadensis

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

Polymnia canadensis

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-52-002:

Polymnia canadensis   FAMILY Asteraceae

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Polymnia canadensis

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Polymnia radiata

 

COMMON NAME:
White-flowered Leafcup, Small-flowered Leafcup


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

image of Polymnia canadensis, White-flowered Leafcup, Small-flowered Leafcup

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_poca11_001_lvd

        

image of Polymnia canadensis, White-flowered Leafcup, Small-flowered Leafcup

JK Marlow    jkm0507c_35

July    Fayette County    WV

Roadside

image of Polymnia canadensis, White-flowered Leafcup, Small-flowered Leafcup

JK Marlow    jkm0507c_36

July    Fayette County    WV

Roadside

Stem obviously and usually densely pubescent, per Weakley's Flora.

image of Polymnia canadensis, White-flowered Leafcup, Small-flowered Leafcup

JK Marlow    jkm0507d_17

July    Fayette County    WV

Roadside

image of Polymnia canadensis, White-flowered Leafcup, Small-flowered Leafcup

JK Marlow    jkm0507d_18b

July    Fayette County    WV

Roadside

White rays to 0.5" long, 3-lobed at the tip, sometimes inconspicuous/absent, per Wildflowers of Tennessee (Carman, 2005).

image of Polymnia canadensis, White-flowered Leafcup, Small-flowered Leafcup

JK Marlow    jkm060709_019

July    Fayette County    WV

image of Polymnia canadensis, White-flowered Leafcup, Small-flowered Leafcup

JK Marlow    jkm060709_025

July    Fayette County    WV

Peduncles villous to stipitate-glandular. Involucral bracts acute to acuminate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Polymnia canadensis, White-flowered Leafcup, Small-flowered Leafcup

JK Marlow    s060709_b

July    Fayette County    WV

Leaves pinnately lobed, 4-12" long. Petiole sometimes winged near blade, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).

image of Polymnia canadensis, White-flowered Leafcup, Small-flowered Leafcup

JK Marlow    s060709_c

July    Fayette County    WV

image of Polymnia canadensis, White-flowered Leafcup, Small-flowered Leafcup

Richard and Teresa Ware    rtw_polymnia_radiata

August        

Rays of P. radiata conspicuous, cuneate to oval-cuneate, 3-lobed, 5-10mm, per Flora of the southeastern United States (JK Small, 1913).

image of Polymnia canadensis, White-flowered Leafcup, Small-flowered Leafcup

Richard and Teresa Ware    rtw_polymnia_canadensis

October        

Rays of P. canadensis suborbicular to orbicular-reniform, 1-2mm long, per Flora of the southeastern United States (JK Small, 1913).

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Polymnia canadensis   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Polymnia canadensis   FAMILY Asteraceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Polymnia canadensis

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21
Polymnia canadensis

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-52-002:
Polymnia canadensis   FAMILY Asteraceae

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Polymnia canadensis

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Polymnia radiata

 

Find by SCIENTIFIC NAME:

1129

Forb
Perennial

Habitat: Moist forests, particularly over calcareous rocks, per Weakley's Flora

Native to North Carolina & Georgia

Common in GA Mountains, uncommon in NC Mountains, waifs in SC

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

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)

LEAVES:
Simple - pinnately lobed
Mostly opposite

FLOWER:
Summer/Fall
Rays: obsolete or white
Disc: Yellow
Inferior ovary
Disc flowers bisexual but sterile/ Ray flowers pistillate

FRUIT:
Summer/Fall
Brownish
Achene

 

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



 


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