Native & Naturalized Plants of the Carolinas & Georgia


2962

Forb
Annual

Native to Georgia
Documented growing wild in GA - -

Rare in GA

Look for it on dunes, sandy soils, granitic flatrocks, disturbed areas, per Weakley's Flora

map
To see a detailed map, click here

 

LEAVES:
Simple
Opposite

FLOWER:
Spring
Purple/Violet (rarely white)
Bisexual
Radially symmetrical
4 sepals
4-lobed salverform corolla
4 included stamens
Flowers solitary, terminal

FRUIT:
Spring/Summer
Capsule

 

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



Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Gentianales

WEAKLEY'S FLORA (5/21/15):
Houstonia micrantha   FAMILY Rubiaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Houstonia micrantha   FAMILY Rubiaceae

SYNONYMOUS WITH (MISAPPLIED) Manual of the Southeastern Flora (Small, 1933)
Houstonia pusilla

SYNONYMOUS WITH The Genera of Cinchonoideae (Rubiaceae) in the southeastern US (Rogers, 1987)
Hedyotis australis

 

COMMON NAME:
Southern Bluet


Click or hover over the thumbnails to see larger pictures.

image of Houstonia micrantha

JK Marlow    jkm110316_012

March    Greenville County    SC

image of Houstonia micrantha

JK Marlow    jkm160311_140

March    Greenville County    SC

image of Houstonia micrantha

JK Marlow    jkm160311_142

March    Greenville County    SC

Corollas white, 2.0-5.5mm long (vs. H. pusilla, purple or violet, 3.5-10+mm, per Weakley's Flora.

image of Houstonia micrantha

JK Marlow    jkm160311_144

March    Greenville County    SC

image of Houstonia micrantha

JK Marlow    jkm160311_151

March    Greenville County    SC

Calyx lobes slightly shorter than to slightly longer than the corolla tube, per Weakley's Flora.

image of Houstonia micrantha

JK Marlow    jkm170324_214

March    Greenville County    SC

Swamp Rabbit Trail

image of Houstonia micrantha

JK Marlow    jkm170406_453

March    Greenville County    SC

Swamp Rabbit Trail

Plants annual, with at most a few short-lived basal leaves, per Weakley's Flora.