Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Gentianales
WEAKLEY'S FLORA (10/20/20):
Houstonia tenuifolia
FAMILY
Rubiaceae
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Narrowleaf Bluet at Vascular Plants of North Carolina.
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.
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_hote3_001_lvd
WEAKLEY'S FLORA (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
2022
Forb
Perennial
Native to the Carolinas & Georgia
Documented growing wild in GA NC SC
Uncommon (rare in Coastal Plain)
Look for it usually in dry woodlands, often rocky (esp mafic rocks) or sandy, per Weakley's Flora
Click here to see a more detailed map from University of North Carolina at Chapel Hill Herbarium,
or click here to see a map from SERNEC, a consortium of southeastern herbaria.
...Dry
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!
- All About South Carolina Wildflowers p180
- Newcomb's Wildflower Guide p158
- Wildflowers of the Atlantic Southeast p105
- Wildflowers of Tennessee p263?
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians p305?
- Wildflowers of the Southern Mountains p166