Hypericum sphaerocarpum Michaux. Common name: Barrens St. John's-wort, Roundfruit St. John's-wort. Phenology: Jun-Sep. Habitat: Limestone glades and barrens, prairies. Distribution: C. Ohio, s. Michigan, s. Wisconsin, Iowa, and se. Nebraska south through Kentucky, e. and c. Tennessee (Chester, Wofford, & Kral 1997), to nw. Georgia (GAHP 2003), c. Alabama, c. Mississippi, Louisiana, and ne. Texas; also reported for sw. Pennsylvania, where considered adventive (Rhoads & Klein 1993).
Origin/Endemic status: Native
Synonymy ⓘ: = Ar, C, Can, F, FNA6, G, GrPl, K1, K4, Mi, Mo2, NcTx, NS, Pa, POWO, Tn, Tx, Adams (1962), Adams (1973), Robson (1996); > Hypericum sphaerocarpon var. sphaerocarpon — Il; > Hypericum sphaerocarpum Michx. — S13; > Hypericum sphaerocarpum Michx. var. turgidum (Small) Svenson — Il; > Hypericum turgidum Small — S, S13. Basionym: Hypericum sphaerocarpum Michx. 1803
Links to other floras: = Hypericum sphaerocarpum - FNA6
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FACU
- Eastern Mountains and Piedmont: FAC
- Great Plains: FACU
- Midwest: FACU
- Northcentral & Northeast: FACU
Heliophily ⓘ: 8
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© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Alan Weakley source | Original Image ⭷
© Paul Marcum source | Original Image ⭷Feedback
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