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
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 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
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
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!
- 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