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):
Triadenum virginicum   FAMILY Hypericaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Triadenum virginicum   FAMILY Clusiaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Hypericum virginicum

SYNONYMOUS WITH Flora of North America

Triadenum virginicum

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)

Triadenum virginicum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 126-01-005:

Hypericum virginicum   FAMILY Hypericaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Triadenum virginicum

 

COMMON NAME:
Virginia Marsh St. Johnswort, Common Marsh St. Johnswort


         To see larger pictures, click or hover over the thumbnails.

image of Triadenum virginicum, Virginia Marsh St. Johnswort, Common Marsh St. Johnswort

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_trvi2_001_lvd

        

image of Triadenum virginicum, Virginia Marsh St. Johnswort, Common Marsh St. Johnswort

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_trvi2_003_lvd

        

image of Triadenum virginicum, Virginia Marsh St. Johnswort, Common Marsh St. Johnswort

JK Marlow    jkm160415_193

April    Turner County    GA

image of Triadenum virginicum, Virginia Marsh St. Johnswort, Common Marsh St. Johnswort

JK Marlow    jkm160415_195

April    Turner County    GA

image of Triadenum virginicum, Virginia Marsh St. Johnswort, Common Marsh St. Johnswort

JK Marlow    jkm160416_237

April    Lowndes County    GA

Leaves ovate, elliptic, or oblong, base cordate-clasping, sessile, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Triadenum virginicum, Virginia Marsh St. Johnswort, Common Marsh St. Johnswort

Richard and Teresa Ware    rtw_h_triadenum_vi_s

August        

Petals pale pink; stamens in 3 fascicles of 3 stamen each; perianth 5-merous, per Weakley's Flora (2020).

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Triadenum virginicum   FAMILY Hypericaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Triadenum virginicum   FAMILY Clusiaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Hypericum virginicum

SYNONYMOUS WITH Flora of North America
Triadenum virginicum

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Triadenum virginicum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 126-01-005:
Hypericum virginicum   FAMILY Hypericaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Triadenum virginicum

 

Find by SCIENTIFIC NAME:

3733

Forb
Perennial

Habitat: bogs, fens, tidal swamps and marshes, other peaty wetlands, per Weakley's Flora

Native to the Carolinas & Georgia

Common in Coastal Plain (rare elsewhere)

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 clasping, cordate, or subcordate at the base

FLOWER:
Summer/Fall
Pink
Radially symmetrical
5 persistent sepals
5 petals
9 stamens, persistent, in 3 clusters of 3
Superior ovary
Bisexual

FRUIT:
Summer/Fall
Capsule

 

TO LEARN MORE about this plant, look it up in a good book!



 


Find by SCIENTIFIC NAME: