OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Malvales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Crocanthemum canadense   FAMILY Cistaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthemum canadense   FAMILY Cistaceae

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

Crocanthemum canadense

SYNONYMOUS WITH Flora of North America

Crocanthemum canadense

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 129-02-003:

Helianthemum canadense   FAMILY Cistaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Crocanthemum canadense

 

COMMON NAME:
Canada Frostweed, Canada Sunrose, Canada Rockrose


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

image of Crocanthemum canadense, Canada Frostweed, Canada Sunrose, Canada Rockrose

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_crca15_001_lvd

        

image of Crocanthemum canadense, Canada Frostweed, Canada Sunrose, Canada Rockrose

Will Stuart    wil_c_canadense_411

May    Chesterfield County    SC

Carolina Sandhills National Wildlife Refuge

image of Crocanthemum canadense, Canada Frostweed, Canada Sunrose, Canada Rockrose

Will Stuart    wil_c_canadense_411b

May    Chesterfield County    SC

Carolina Sandhills National Wildlife Refuge

Flowers to 1.5" wide (the numerous stamens tend to lie to one side), per Wildflowers of the Southern Mountains (Smith, 1998).

image of Crocanthemum canadense, Canada Frostweed, Canada Sunrose, Canada Rockrose

Will Stuart    wil_c_canadense_415

May    Chesterfield County    SC

Carolina Sandhills National Wildlife Refuge

Its chasmogamous flowers open only in bright sunshine for a few hours, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Crocanthemum canadense, Canada Frostweed, Canada Sunrose, Canada Rockrose

Will Stuart    wil_c_canadense_417

May    Chesterfield County    SC

Carolina Sandhills National Wildlife Refuge

Stem pubescent, oft purple-brown. Leaves densely pubescent below, less above, per Wildflowers of the Sandhills Region (Sorrie, 2011).

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Crocanthemum canadense   FAMILY Cistaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthemum canadense   FAMILY Cistaceae

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

SYNONYMOUS WITH Flora of North America
Crocanthemum canadense

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 129-02-003:
Helianthemum canadense   FAMILY Cistaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Crocanthemum canadense

 

Find by SCIENTIFIC NAME:

3001

Forb
Perennial

Habitat: Fields, woodlands, forest edges, roadsides, disturbed areas, per Weakley's Flora

Native to the Carolinas & Georgia

Common in Carolina Coastal Plain (rare elsewhere in GA-NC-SC)

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

LEAVES:
Simple
Alternate
Petioles 1-3mm long

FLOWER:
Spring
Yellow
5 petals in chasmogamous flowers/ petals absent in cleistogamous flowers
Numerous stamens in chasmogamous flowers/ few in cleistogamous flowers
Superior ovary

FRUIT:
Summer/Fall
Capsule

 

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



 


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