Crocanthemum canadense (Linnaeus) Britton. Common name: Canada Frostweed, Canada Sunrose, Canada Rockrose. Phenology: Apr-Jun (chasm.), May-Aug (cleist.); Jun-Oct. Habitat: Fields, woodlands, forest edges, roadsides, disturbed areas. Distribution: NS and ME west to MI and MN, south to e. GA, e. AL, e. TN, KY, and MO.
Origin/Endemic status: Native
Synonymy ⓘ: = Can, FNA6, K4, Mi, NE, NY, POWO, S, Va; = Helianthemum canadense (L.) Michx. — C, G, Il, NS, Pa, RAB, Tat, Tn, W, WV, Daoud & Wilbur (1965), Wilbur & Daoud (1964); > Helianthemum canadense (L.) Michx. — S13; > Helianthemum canadense (L.) Michx. var. canadense — F; > Helianthemum canadense (L.) Michx. var. sabulonum Fernald — F; > Helianthemum majus (L.) Britton, Sterns, & Poggenb. — S13. Basionym: Cistus canadensis L. 1753
Links to other floras: = Crocanthemum canadense - FNA6
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Heliophily ⓘ: 7
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Horticultural Information
Intro: Erect perennial of fields, woodlands, forest edges, roadsides and other disturbed areas.
Stems: Stems unbranched or narrowly branched at flowering time, green or purplish-brown and slightly hairy.
Leaves: Leaves alternate, short-petiolate to subsessile, narrowly oval, 3/4-1 1/2 in. long, densely hairy on beneath and less hairy above.
Inforescence:
Flowers: Flowers single (rarely 2) at stem tips, yellow, 3/4-1 1/4 inch wide, with 5 petals and 10 or more orange-tipped stamens; later in the season, tight clusters of petal-less, self-pollinating flowers develop in leaf axils and at tips of branches.
Fruits: Fruit an oval capsule.
Comments:
Height: 4-14 in.
plant sale text:
bloom table text:
description: Erect perennial of fields, woodlands, forest edges, roadsides and other disturbed areas.
stems: Stems unbranched or narrowly branched at flowering time, green or purplish-brown and slightly hairy.
leaves: Leaves alternate, short-petiolate to subsessile, narrowly oval, 3/4-1 1/2 in. long, densely hairy on beneath and less hairy above.
inflorescence:
flowers: Flowers single (rarely 2) at stem tips, yellow, 3/4-1 1/4 inch wide, with 5 petals and 10 or more orange-tipped stamens; later in the season, tight clusters of petal-less, self-pollinating flowers develop in leaf axils and at tips of branches.
fruits: Fruit an oval capsule.
comments:
cultural notes:
germination code:
native range:
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