Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Malvales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Crocanthemum bicknellii
FAMILY
Cistaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Hoary Frostweed at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthemum bicknellii
FAMILY
Cistaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Crocanthemum bicknellii
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 6 (2015)
Crocanthemum bicknellii
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Helianthemum bicknellii
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 129-02-006:
Helianthemum bicknellii FAMILY Cistaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Crocanthemum bicknellii
COMMON NAME:
Hoary Frostweed, Plains Frostweed, Plains Sunrose, Bicknell's Hoary Rockrose
To see larger pictures, click or hover over the thumbnails.
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_crma17_001_lvd
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Crocanthemum bicknellii
FAMILY
Cistaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthemum bicknellii
FAMILY
Cistaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Crocanthemum bicknellii
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 6
Crocanthemum bicknellii
SYNONYMOUS WITH
Floristic Synthesis of North America (Kartesz, 1999)
Helianthemum bicknellii
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 129-02-006:
Helianthemum bicknellii
FAMILY
Cistaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Crocanthemum bicknellii
3281
Forb
Perennial
Habitat: woodlands, glades, barrens, rock outcrops, grassy balds, serpentine grasslands, to at least 1500m in elevation, per Weakley's Flora
Native to North Carolina & Georgia
Rare
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Alternate
FLOWER:
Summer
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!
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".