OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Houstonia longifolia var. glabra   FAMILY Rubiaceae   Go to FSUS key



INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Houstonia longifolia   FAMILY Rubiaceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Houstonia longifolia

INCLUDED WITHIN Floristic Synthesis of North America (Kartesz, 1999)

Houstonia longifolia

INCLUDED WITHIN The Genera of Cinchonoideae (Rubiaceae) in the southeastern US (Rogers, 1987)

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, 1938)

Houstonia longifolia

 

COMMON NAME:
Granite Dome Bluet


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

image of Houstonia longifolia var. glabra, Granite Dome Bluet

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

        

image of Houstonia longifolia var. glabra, Granite Dome Bluet

JK Marlow    jkm120505_245

May    Rabun County    GA

Chattahoochee National Forest

Leaves 1.5-6.0mm wide, 4-11x long as wide. Stems glabrous or glabrate, per Weakley's Flora.

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Houstonia longifolia var. glabra   FAMILY Rubiaceae

INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Houstonia longifolia   FAMILY Rubiaceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Houstonia longifolia

INCLUDED WITHIN Floristic Synthesis of North America (Kartesz, 1999)
Houstonia longifolia

INCLUDED WITHIN The Genera of Cinchonoideae (Rubiaceae) in the southeastern US (Rogers, 1987)
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, 1938)
Houstonia longifolia

 

Find by SCIENTIFIC NAME:

2964

Forb
Perennial

Habitat: Seasonally and periodically wet soils of shallow soil mats and crevices of granitic domes, per Weakley's Flora

Native to the Carolinas & Georgia

Uncommon in NC Mountains, rare in GA & SC

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

LEAVES:
Simple
Opposite (basal leaves absent or withered at flowering)
Leaves sessile
Margins entire

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

FRUIT:
Summer/Fall
Capsule

 

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



 


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