Data mode


Sign up

Copy permalink to share

Hypericum sphaerocarpum Michaux. Barrens St. John's-wort, Roundfruit St. John's-wort. Phen: Jun-Sep. Hab: Limestone glades and barrens, prairies. Dist: C. OH, s. MI, s. WI, IA, and se. NE south through KY, e. and c. TN (Chester, Wofford, & Kral 1997), to nw. GA (GAHP 2003), c. AL, c. MS, LA, and ne. TX; also reported for sw. PA, where considered adventive (Rhoads & Klein 1993).

Origin/Endemic status: Native

Synonymy: = Ar, C, F, FNA6, G, GrPl, K1, K3, K4, Mi, Mo2, NcTx, Pa, 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

Show in key(s)

Show parent genus

Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACU
  • Eastern Mountains and Piedmont: FAC
  • Great Plains: FACU
  • Midwest: FACU
  • Northcentral & Northeast: FACU

Heliophily ?: 8

Your browser does not support SVGs

Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.

image of plant© Alan Weakley source | Original Image ⭷
image of plant© Paul Marcum source | Original Image ⭷


See something wrong or missing on about Hypericum sphaerocarpum? Let us know here: (Please include your name and email if at all complicated so we can clarify if needed.) We greatly appreciate feedback, and will include updates from you in our next webapp update, which can take a few months.

Cite as...