Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Gentianales
WEAKLEY'S FLORA (10/20/20):
Houstonia longifolia var. glabra
FAMILY
Rubiaceae
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Houstonia at Vascular Plants of North Carolina.
INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Houstonia longifolia
FAMILY
Rubiaceae
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 173-08-006?:
Houstonia longifolia
FAMILY
Rubiaceae
INCLUDED WITHIN
Manual of the Southeastern Flora (Small, 1933, 1938)
Houstonia longifolia
COMMON NAME:
Granite Dome Bluet
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_holo_001_lvd
)
JK Marlow jkm120505_245
May Rabun County GA
Chattahoochee National Forest
Leaves 1.5-6.0mm wide, 4-11x long as wide. Stems glabrous or glabrate, per Weakley's Flora.
WEAKLEY'S FLORA (10/20/20):
Houstonia longifolia var. glabra
FAMILY
Rubiaceae
INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Houstonia longifolia
FAMILY
Rubiaceae
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 173-08-006?:
Houstonia longifolia
FAMILY
Rubiaceae
INCLUDED WITHIN
Manual of the Southeastern Flora (Small, 1933, 1938)
Houstonia longifolia
2964
Forb
Perennial
Native to the Carolinas & Georgia
Documented growing wild in GA NC SC
Rare, endemic to the granitic dome district centered around Highlands, NC, occurring in sw. NC, nw. SC, and ne. GA
Look for it in seasonally and periodically wet soils of shallow soil mats and crevices of granitic domes, 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.
LEAVES:
Simple
Opposite (basal leaves absent or withered at flowering)
Leaves sessile
Margins entire
FLOWER:
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!
- Newcomb's Wildflower Guide p158?
- Wildflowers of the Eastern United States p099?
- Wildflowers of Tennessee p263?
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians p305?
- Wildflowers of the Southern Mountains p166?