Native & Naturalized Plants of the Carolinas & Georgia


697

Forb
Perennial

Native to the Carolinas & Georgia

Documented growing wild in GA NC SC

Uncommon

Look for it on dry rock outcrops and adjacent open woodlands, dry sandy woodlands, dry roadbanks, glades and barrens, per Weakley's Flora

map
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...Dry

LEAVES:
Simple
Opposite (basal leaves absent at the onset of flowering)
Leaves sessile
Margins entire

FLOWER:
Summer
Lavender/White
Bisexual
Radially symmetrical
4 sepals
4-lobed funnelform corolla
4 included stamens

FRUIT:
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: Asterids: Lamiids: Gentianales

WEAKLEY'S FLORA (2/8/20):
Houstonia longifolia var. compacta   FAMILY Rubiaceae

INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Houstonia longifolia   FAMILY Rubiaceae

INCLUDED WITHIN Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)
Hedyotis longifolia

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 173-08-006?:
Houstonia longifolia   FAMILY Rubiaceae

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933)
Houstonia longifolia

 

COMMON NAME:
Longleaf Bluet


Click or hover over the thumbnails to see larger pictures.

image of Houstonia longifolia var. compacta, Longleaf Bluet

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_holo_001_lvd

        

image of Houstonia longifolia var. compacta, Longleaf Bluet

JK Marlow    jkm210507_9990

May    Greenville County    SC

Blackwell Heritage Preserve

Stems densely cinereous-puberulent, per Weakley's Flora (2020).

image of Houstonia longifolia var. compacta, Longleaf Bluet

JK Marlow    jkm210507_9991

May    Greenville County    SC

Blackwell Heritage Preserve

The calyx is green with 4 linear-lance-shaped lobes, per Wildflowers of the Atlantic Southeast.

image of Houstonia longifolia var. compacta, Longleaf Bluet

JK Marlow    jkm210507_9995

May    Greenville County    SC

Blackwell Heritage Preserve

image of Houstonia longifolia var. compacta, Longleaf Bluet

JK Marlow    jkm210507_9996

May    Greenville County    SC

Blackwell Heritage Preserve

image of Houstonia longifolia var. compacta, Longleaf Bluet

Roxanna Martin    rlm52111_317

May    Spartanburg County    SC

Flowers funnel-shaped with 4 flaring lobes, at the ends of branches, per Newcomb's Wildflower Guide.

image of Houstonia longifolia var. compacta, Longleaf Bluet

Roxanna Martin    rlm52111_320

May    Spartanburg County    SC

Leaves 1.5-6.0mm wide, 4-11x long as wide. Stems densely cinereous-puberulent, per Weakley's Flora.

image of Houstonia longifolia var. compacta, Longleaf Bluet

Roxanna Martin    rlm52111_323

May    Spartanburg County    SC

image of Houstonia longifolia var. compacta, Longleaf Bluet

Roxanna Martin    rlm5711_292

May    Spartanburg County    SC

image of Houstonia longifolia var. compacta, Longleaf Bluet

Roxanna Martin    rlm7210_207

July    Spartanburg County    SC

Calyx lobes exceed capsule, per Vascular Flora of the Carolinas.

image of Houstonia longifolia var. compacta, Longleaf Bluet

Richard and Teresa Ware    rtw_h_longifolia_com

July