Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Malpighiales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Hypericum virgatum
FAMILY
Hypericaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Strict St. Johnswort at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Hypericum virgatum
FAMILY
Clusiaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Hypericum virgatum
SYNONYMOUS WITH
Flora of North America
Hypericum virgatum
SYNONYMOUS WITH
Synopsis of the Hypericum denticulatum complex (Hypericaceae) (Allison, 2011)
Hypericum virgatum
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 126-01-025bc:
Hypericum denticulatum var. acutifolium
FAMILY
Hypericaceae
INCLUDING
Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968)
Hypericum denticulatum var. recognitum
INCLUDED WITHIN
Manual of the Southeastern Flora (Small, 1933, 1938)
Hypericum acutifolium
COMMON NAME:
Strict St. Johnswort, Sharpleaf St. Johnswort
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_hyvi6_001_lvd
)
Richard and Teresa Ware rtw_h_virgatum_2
August
Its golden-yellow or coppery-yellow petals are rotate in shape and not symmetrical, per Vascular Plants of North Carolina.
)
Richard and Teresa Ware rtw_hypericum_virgatum
August
Sepals and petals not marked with black dots or lines, per Weakley's Flora (2012).
)
JK Marlow jkm200920_7290
September Pickens County SC
Glassy Mountain Heritage Preserve
)
JK Marlow jkm200920_7293
September Pickens County SC
Glassy Mountain Heritage Preserve
)
JK Marlow jkm200920_7295
September Pickens County SC
Glassy Mountain Heritage Preserve
Leaves with acute to obtuse apices (vs. those of H. radfordiorum acuminate), per Weakley's Flora (2020).
)
JK Marlow jkm200920_7303
September Pickens County SC
Glassy Mountain Heritage Preserve
)
JK Marlow jkm201002_7500
October Pickens County SC
Glassy Mountain Heritage Preserve
Little if at all branched, and then only from the uppermost nodes, per Weakley's Flora (2020).
)
JK Marlow jkm201002_7502
October Pickens County SC
Glassy Mountain Heritage Preserve
Leaves usually 1-nerved, per Vascular Flora of the Carolinas.
)
JK Marlow jkm201002_7503
October Pickens County SC
Glassy Mountain Heritage Preserve
Punctate glands of leaves small, round, distributed on lower leaf surface, per Weakley's Flora (2020).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Hypericum virgatum
FAMILY
Hypericaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Hypericum virgatum
FAMILY
Clusiaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Hypericum virgatum
SYNONYMOUS WITH
Flora of North America
Hypericum virgatum
SYNONYMOUS WITH
Synopsis of the Hypericum denticulatum complex (Hypericaceae) (Allison, 2011)
Hypericum virgatum
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 126-01-025bc:
Hypericum denticulatum var. acutifolium
FAMILY
Hypericaceae
INCLUDING
Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968)
Hypericum denticulatum var. recognitum
INCLUDED WITHIN
Manual of the Southeastern Flora (Small, 1933, 1938)
Hypericum acutifolium
2226
Forb
Perennial
Native to the Carolinas & Georgia
Common (uncommon in SC Coastal Plain, rare in GA Coastal Plain)
Habitat: Hardpan woodlands, rock outcrops, woodland borders, glades and barrens (especially over mafic or ultramafic rocks), per Weakley's Flora
Click here to see a map, notes, and images from Weakley's Flora of the Southeastern US.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
LEAVES:
Simple
Opposite
FLOWER:
Summer/Fall
Yellow
Bisexual
Radially symmetrical
5 persistent sepals
5 petals
50-80 stamens
Superior ovary
FRUIT:
Summer/Fall
Capsule
TO LEARN MORE about this plant, look it up in a good book!