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.
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_hyvi6_001_lvd
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JK Marlow jkm230606_3802
June Pickens County SC
Glassy Mountain Heritage Preserve
)
JK Marlow jkm230606_3802b
June Pickens County SC
Glassy Mountain Heritage Preserve
)
JK Marlow jkm230706_4244
July Pickens County SC
Glassy Mountain Heritage Preserve
)
JK Marlow jkm230706_4308
July Pickens County SC
Glassy Mountain Heritage Preserve
Leaves usually 1-nerved, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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JK Marlow jkm230706_4346
July Pickens County SC
Glassy Mountain Heritage Preserve
Leaves linear to lance-shaped with sharp tips, to 1.25" long, smooth, w tiny pitted dots beneath, per Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019).
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JK Marlow jkm230808_4833
August Pickens County SC
Glassy Mountain Heritage Preserve
Sepals and petals not marked with black dots or lines, per Weakley's Flora (2012).
)
JK Marlow jkm230808_4834
August Pickens County SC
Glassy Mountain Heritage Preserve
Flowers coppery-yellow with 5 asymmetric petals and 5 narrower and shorter sepals, per Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019).
)
JK Marlow jkm230808_4867
August Pickens County SC
Glassy Mountain Heritage Preserve
)
Richard and Teresa Ware rtw_hypericum_virgatum
August
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JK Marlow jkm200920_7290
September Pickens County SC
Glassy Mountain Heritage Preserve
)
JK Marlow jkm200920_7293
September Pickens County SC
Glassy Mountain Heritage Preserve
Bracteal leaves along the inflorescence branches few or none (vs. H. radfordiorum: numerous), per Weakley's Flora (2023).
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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 (2023).
)
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_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).
)
JK Marlow jkm231114_6860
November Pickens County SC
Glassy Mountain Heritage Preserve
Fruit a reddish-green, erect, conical-oval capsule surrounded by persistent sepals and petals, per Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019).
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
Habitat: Hardpan woodlands, rock outcrops, woodland borders, glades and barrens (especially over mafic or ultramafic rocks), per Weakley's Flora
Native to the Carolinas & Georgia
Common (uncommon in SC Coastal Plain, rare in GA Coastal Plain)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Herbaceous, with broad leaves, 1-locular capsules, stamens separate or connate at base (but not grouped into fascicles), leaves with translucent (not black) dots, sepals and petals with translucent (not black) lines or dots
Opposite
Leaves sessile
FLOWER:
Summer/Fall
Yellow
Radially symmetrical
5 persistent sepals
5 petals
50-80 stamens
Superior ovary
Bisexual
FRUIT:
Summer/Fall
Capsule
TO LEARN MORE about this plant, look it up in a good book!
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p253
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p227
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
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