OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Apiales

WEAKLEY'S FLORA (4/24/22):
Hydrocotyle tribotrys   FAMILY Araliaceae   NEW! Click to go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Hydrocotyle prolifera   FAMILY Apiaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 140-01-003b:
Hydrocotyle verticillata var. triradiata   FAMILY Apiaceae

SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Hydrocotyle verticillata var. triradiata

INCLUDED WITHIN Gray's Manual of Botany (Fernald, 1950)
Hydrocotyle verticillata var. verticillata

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Hydrocotyle australis

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Hydrocotyle canbyi

 

COMMON NAME:
Whorled Marsh-pennywort, Water-pennywort


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

image of Hydrocotyle tribotrys, Whorled Marsh-pennywort, Water-pennywort

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_hyca13_001_lvd

        

image of Hydrocotyle tribotrys, Whorled Marsh-pennywort, Water-pennywort

JK Marlow    jkm140601_062

May    Greenville County    SC

Furman University

image of Hydrocotyle tribotrys, Whorled Marsh-pennywort, Water-pennywort

JK Marlow    jkm140601_063b

May    Greenville County    SC

Furman University

Inflorescence verticillate, unbranched. Flowers & fruits on 1-10mm pedicels, per Weakley's Flora (2012).

image of Hydrocotyle tribotrys, Whorled Marsh-pennywort, Water-pennywort

JK Marlow    jkm140601_290

May    Greenville County    SC

Furman University

Peduncles shorter to longer than petioles, per Vascular Flora of the Carolinas.

image of Hydrocotyle tribotrys, Whorled Marsh-pennywort, Water-pennywort

JK Marlow    jkm140601_292

May    Greenville County    SC

Furman University

Leaves peltate, orbicular to suborbicular, crenate, per Vascular Flora of the Carolinas.

image of Hydrocotyle tribotrys, Whorled Marsh-pennywort, Water-pennywort

JK Marlow    jkm140601_319

May    Greenville County    SC

Furman University

image of Hydrocotyle tribotrys, Whorled Marsh-pennywort, Water-pennywort

Richard and Teresa Ware    rtw_h_prolifera_2

July        

image of Hydrocotyle tribotrys, Whorled Marsh-pennywort, Water-pennywort

JK Marlow    jkm140803_296

August    Greenville County    SC

Furman University

Fruit strongly flattened laterally, glabrous, 1-2mm long; pedicels 1-10mm long, per Vascular Flora of the Carolinas.

image of Hydrocotyle tribotrys, Whorled Marsh-pennywort, Water-pennywort

JK Marlow    jkm140803_298

August    Greenville County    SC

Furman University

 

WEAKLEY'S FLORA (4/24/22):
Hydrocotyle tribotrys   FAMILY Araliaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Hydrocotyle prolifera   FAMILY Apiaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 140-01-003b:
Hydrocotyle verticillata var. triradiata   FAMILY Apiaceae

SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Hydrocotyle verticillata var. triradiata

INCLUDED WITHIN Gray's Manual of Botany (Fernald, 1950)
Hydrocotyle verticillata var. verticillata

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Hydrocotyle australis

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Hydrocotyle canbyi

 

Find by SCIENTIFIC NAME:

3680

Forb
Perennial

Native to the Carolinas & Georgia

Uncommon in Coastal Plain, rare elsewhere in GA-NC-SC

Habitat: swamp forests, pools, per Weakley's Flora

map
NEW! Click here to see a map from Weakley's Flora of the Southeastern US showing range and abundance.

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 - peltate
Petioles 5-15cm long

FLOWER:
Spring/Summer
White/ Greenish
Radially symmetrical
5-merous
5 petals
Inferior ovary

Inflorescence an interrupted spike or raceme with 3-7 whorls of 2-7 flowers each

FRUIT:
Spring/Summer?
Schizocarp of two mericarps

 

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



 


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