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
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Canada Frostweed at Vascular Plants of North Carolina.
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.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_crca15_001_lvd
)
Will Stuart wil_c_canadense_411
May Chesterfield County SC
Carolina Sandhills National Wildlife Refuge
)
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).
)
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).
)
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
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)
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!
- Guide to the Wildflowers of SC, 1st ed. (Porcher & Rayner, 2001) p278
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p243
- Wildflowers of Tennessee (Carman, 2005) p072
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p095
- Wildflowers of the Southern Mountains (Smith, 1998) p100
- Wildflowers of the Sandhills Region (Sorrie, 2011) p110
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