OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Houstonia tenuifolia   FAMILY Rubiaceae   Go to FSUS key


INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Houstonia longifolia   FAMILY Rubiaceae

SYNONYMOUS WITH Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)
Hedyotis nuttalliana

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

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 173-08-007:
Houstonia tenuifolia   FAMILY Rubiaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Houstonia tenuifolia

 

COMMON NAME:
Narrowleaf Bluet, Diffuse-branched Bluet


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

image of Houstonia tenuifolia, Narrowleaf Bluet, Diffuse-branched Bluet

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_hote3_001_lvd

        

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Houstonia tenuifolia   FAMILY Rubiaceae

INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Houstonia longifolia   FAMILY Rubiaceae

SYNONYMOUS WITH Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)
Hedyotis nuttalliana

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

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 173-08-007:
Houstonia tenuifolia   FAMILY Rubiaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Houstonia tenuifolia

 

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2022

Forb
Perennial

Native to the Carolinas & Georgia

Uncommon (rare in Coastal Plain)

Habitat: Usually in dry woodlands, often rocky (especially mafic rocks) or sandy, per Weakley's Flora

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

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
Opposite (basal leaves absent or withered at flowering)
Margins entire

FLOWER:
Spring/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!



 


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