NameThatPlant.net: Houstonia tenuifolia

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.

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

2022

Forb
Perennial

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

Native to the Carolinas & Georgia

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!