Native & Naturalized Plants of the Carolinas & Georgia


2842

Forb
Annual

Non-native: Europe
Documented growing wild in GA NC SC

Rare in GA-NC-SC

Look for it in fields, roadsides, railroad yards, disturbed areas, per Weakley's Flora

map
To see a detailed map, click here

 

full sun ...Variable

LEAVES:
Simple: Palmately divided

FLOWER:
Summer/Fall
Pale yellow/ Cream (with a red or purple center)
5 sepals united at base or more than half their length
5 petals united at base
Stamens united to form a staminal column surrounding ovary and styles
Superior ovary

FRUIT:
Spring/Summer/Fall
Capsule

 

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



Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Malvales

WEAKLEY'S FLORA (11/30/12):
Hibiscus trionum   FAMILY Malvaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Hibiscus trionum   FAMILY Malvaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 122-08-005:
Hibiscus trionum   FAMILY Malvaceae

 

COMMON NAME:
Flower-of-an-hour


Click or hover over the thumbnails to see larger pictures.

image of Hibiscus trionum

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_hitr_001_lvd

        

image of Hibiscus trionum

Terry Holdsclaw    tdh_hibiscus_trionum

July    Iredell County    NC

Annual from a taproot, to 0.5m tall, per Weakley's Flora.

image of Hibiscus trionum

Terry Holdsclaw    tdh_hibiscus_trionumb

July    Iredell County    NC

Petals pale yellow with a purple base, the flowers only open a few hours, per Wildflowers of Tennessee.

image of Hibiscus trionum

Terry Holdsclaw    tdh_hibiscus_trionumc

July    Iredell County    NC

A low plant w leaves deeply parted into 3 narrow, coarsely toothed segments, per Wildflowers of the Southern Mountains.

image of Hibiscus trionum

Sam Pratt    sbp_081413_1907

August    Spartanburg County    SC

Calyx inflated at maturity; capsule 1.0-1.3 cm long, per Weakley's Flora.

image of Hibiscus trionum

Sam Pratt    sbp_081413_1907b

August    Spartanburg County    SC

Calyx conspicuously veined and hairy, per Wildflowers of Tennessee.

image of Hibiscus trionum

Sam Pratt    sbp_092513_1914

September    Spartanburg County    SC

In cultivation