NameThatPlant.net: Houstonia tenuifolia

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
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

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

Houstonia longifolia

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

Houstonia longifolia

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

SYNONYMOUS WITH -

Houstonia longifolia var. 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 (4/14/23):
Houstonia tenuifolia 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

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

SYNONYMOUS WITH -
Houstonia longifolia var. 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

Uncommon

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)
Margins entire

FLOWER:
Spring/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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