OF THE CAROLINAS & GEORGIA

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



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.

image of Hypericum virgatum, Strict St. Johnswort, Sharpleaf St. Johnswort

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_hyvi6_001_lvd

        

image of Hypericum virgatum, Strict St. Johnswort, Sharpleaf St. Johnswort

JK Marlow    jkm230606_3802

June    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Hypericum virgatum, Strict St. Johnswort, Sharpleaf St. Johnswort

JK Marlow    jkm230606_3802b

June    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Hypericum virgatum, Strict St. Johnswort, Sharpleaf St. Johnswort

JK Marlow    jkm230706_4244

July    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Hypericum virgatum, Strict St. Johnswort, Sharpleaf St. Johnswort

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).

image of Hypericum virgatum, Strict St. Johnswort, Sharpleaf St. Johnswort

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).

image of Hypericum virgatum, Strict St. Johnswort, Sharpleaf St. Johnswort

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).

image of Hypericum virgatum, Strict St. Johnswort, Sharpleaf St. Johnswort

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).

image of Hypericum virgatum, Strict St. Johnswort, Sharpleaf St. Johnswort

JK Marlow    jkm230808_4867

August    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Hypericum virgatum, Strict St. Johnswort, Sharpleaf St. Johnswort

Richard and Teresa Ware    rtw_hypericum_virgatum

August        

image of Hypericum virgatum, Strict St. Johnswort, Sharpleaf St. Johnswort

JK Marlow    jkm200920_7290

September    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Hypericum virgatum, Strict St. Johnswort, Sharpleaf St. Johnswort

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).

image of Hypericum virgatum, Strict St. Johnswort, Sharpleaf St. Johnswort

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).

image of Hypericum virgatum, Strict St. Johnswort, Sharpleaf St. Johnswort

JK Marlow    jkm200920_7303

September    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Hypericum virgatum, Strict St. Johnswort, Sharpleaf St. Johnswort

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).

image of Hypericum virgatum, Strict St. Johnswort, Sharpleaf St. Johnswort

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).

image of Hypericum virgatum, Strict St. Johnswort, Sharpleaf St. Johnswort

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

 

Find by SCIENTIFIC NAME:

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)

map
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
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!



 


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