Stylisma patens (Desrousseaux) Myint. Common name: Common Dawnflower. Phenology: Jun-Aug. Habitat: Longleaf pine sandhills and other relatively dry sandy areas. Distribution: E. NC south to n. FL, and west to s. MS; reports from west of the Mississippi River are misidentifications.
ID notes: Overall, the most common and widespread taxon of the genus in our region, regularly encountered in its habitat.
Origin/Endemic status: Endemic
Synonymy ⓘ: = Bonamia aquatica (Walter) A.Gray — Wilson (1960b), misapplied; = Bonamia patens (Desr.) Shinners; = Bonamia patens (Desr.) Shinners var. patens — RAB, Shinners (1962d); = Breweria aquatica (Walter) A.Gray — F, misapplied; = Breweria patens Desr.; = Breweria trichosanthes (Michx.) Small; = Stylisma patens (Desr.) Myint ssp. patens — K4, Myint (1966); = Stylisma patens (Desr.) Myint var. patens — Fl6, FNA14; = Stylisma trichosanthes (Michx.) House — S, misapplied; < Stylisma patens (Desr.) Myint — WH3; Convolvulus patens Desrousseaux. Basionym: Convolvulus patens Desr. 1792
Links to other floras: = Stylisma patens var. patens - FNA14
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Heliophily ⓘ: 8
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© Will Stuart | Original Image ⭷
© Keith Bradley | Original Image ⭷
© Alan Cressler: Stylisma patens, Fall Line Sandhills, Taylor County, Georgia 1 by Alan Cressler source | Original Image ⭷
© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Bruce A. Sorrie | Original Image ⭷Feedback
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Horticultural Information
Intro: Prostrate, herbaceous perennial vine of sandhills and other relatively dry sandy areas.
Stems: Stems slender, spreading across ground.
Leaves: Leaves alternate, short-petiolate to sessile, linear to narrowly elliptic, to 2 in. long, covered with short and close-pressed hairs.
Inforescence:
Flowers: Flowers solitary on erect, slender stalks from leaf axils; white; 3/4 in. wide; funnel-shaped with 5 corolla lobes that are hairy on the outer surface and 5 also hairy, pale green much shorter calyx lobes. 2 short, dark green bracts subtend the calyx.
Fruits:
Comments: Flowers open in morning; remain open for 1 day.
Height: 1-4 ft. long
plant sale text:
bloom table text:
description: Prostrate, herbaceous perennial vine of sandhills and other relatively dry sandy areas.
stems: Stems slender, spreading across ground.
leaves: Leaves alternate, short-petiolate to sessile, linear to narrowly elliptic, to 2 in. long, covered with short and close-pressed hairs.
inflorescence:
flowers: Flowers solitary on erect, slender stalks from leaf axils; white; 3/4 in. wide; funnel-shaped with 5 corolla lobes that are hairy on the outer surface and 5 also hairy, pale green much shorter calyx lobes. 2 short, dark green bracts subtend the calyx.
fruits:
comments: Flowers open in morning; remain open for 1 day.
cultural notes:
germination code:
native range: southeastern United States
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