Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Malpighiales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Hypericum perforatum
FAMILY
Hypericaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Read more about European St. Johnswort at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Hypericum perforatum
FAMILY
Clusiaceae
SYNONYMOUS WITH Flora of North America
Hypericum perforatum ssp. perforatum
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 126-01-026:
Hypericum perforatum FAMILY Hypericaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Hypericum perforatum
COMMON NAME:
European St. Johnswort, Common St. Johnswort, Klamath-weed
To see larger pictures, click or hover over the thumbnails.
Tim Spira tpshperforatum2_2
June
Leaves sessile, with translucent dots that look like "windows", per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
JK Marlow jkm090707_015
July Avery County NC
The Roan Highlands
Numerous flowers borne in a compound cyme, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
JK Marlow jkm090707_016
July Avery County NC
The Roan Highlands
Flowers 3/4"-1" wide, with black "stitching" on the margins of petals, per Wildflowers of the Southern Mountains (Smith, 1998).
JK Marlow jkm090707_020
July Avery County NC
The Roan Highlands
Five petals, to 0.4" long, black-dotted near the margin, per Wildflowers of Tennessee (Carman, 2005).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Hypericum perforatum
FAMILY
Hypericaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Hypericum perforatum
FAMILY
Clusiaceae
SYNONYMOUS WITH
Flora of North America
Hypericum perforatum ssp. perforatum
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 126-01-026:
Hypericum perforatum
FAMILY
Hypericaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Hypericum perforatum
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