Hypericum setosum Linnaeus. Common name: Hairy St. John’s-wort. Phenology: May-Sep. Habitat: Pine savannas, wet pine flatwoods, boggy areas, adjacent ditches, fireplow lines, and scrapes. Distribution: Se. VA south to c. peninsular FL, west to se. TX.
Origin/Endemic status: Endemic
Synonymy ⓘ: = C, F, Fl2, FNA6, G, GW2, K4, NS, POWO, RAB, S, S13, Tx, Va, WH3, Adams (1973), Robson (2006). Basionym: Hypericum setosum L. 1753
Links to other floras: = Hypericum setosum - FNA6
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FACW
- Eastern Mountains and Piedmont: OBL
Heliophily ⓘ: 8
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© Alan M. Cressler | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Bruce A. Sorrie | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
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Horticultural Information
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Height: 1-3 ft.
plant sale text: Hairy St.John's-wort is a native perennial that occurs in moist and wet pine flatwoods, savannas, ditches, and bogs in the southeastern Coastal Plain. It has small, yellow pinwheel-shaped, five-petaled flowers throughout the summer. Hairy St.John's-wort is named for the dense, tiny hairs covering the stem and leaves. This species prefers moist to wet soil in full sun and would be a perfect addition to a sunny bog garden.
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native range: southeastern United States
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