OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Malpighiales

WEAKLEY'S FLORA (2/8/20):
Triadenum virginicum   FAMILY Hypericaceae


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Triadenum virginicum   FAMILY Clusiaceae

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.

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 (2/8/20):
Triadenum virginicum   FAMILY Hypericaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Triadenum virginicum   FAMILY Clusiaceae

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

 

Search by scientific name:

3733

Forb
Perennial

Native to the Carolinas & Georgia

Documented growing wild in GA NC SC

Common in Coastal Plain (rare elsewhere)

Look for it in bogs, fens, tidal swamps and marshes, other peaty wetlands, per Weakley's Flora

map
Click here to see a more detailed map from University of North Carolina at Chapel Hill Herbarium,

or click here to see a map from SERNEC, a consortium of southeastern herbaria.

 

...Wet

LEAVES:
Simple
Opposite
Leaves clasping, cordate, or subcordate at the base

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

FRUIT:
Capsule

 

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



 


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