Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Gentianales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Houstonia pusilla
FAMILY
Rubiaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Tiny Bluet at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Houstonia pusilla
FAMILY
Rubiaceae
SYNONYMOUS WITH Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)
Hedyotis crassifolia
SYNONYMOUS WITH Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Hedyotis crassifolia
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 173-08-003:
Houstonia pusilla FAMILY Rubiaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Houstonia minima
INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Houstonia pusilla
COMMON NAME:
Tiny Bluet, Small 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_homi2_001_lvd
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_hopa6_001_lvd
)
JK Marlow jkm160226_995
February Aiken County SC
Roadside
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JK Marlow jkm200228_2876
February Williamsburg County SC
Leaves ovate, lanceolate or elliptic; tips acute; margins toothless, ciliate, per www.illinoiswildflowers.info.
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JK Marlow jkm0303y_22
March Greenville County SC
Roadside
)
JK Marlow jkm200315_3194
March Greenville County SC
H. micrantha's small white flowers mixed with the larger blue H. pusilla.
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Roxanna Martin rlm32011_117
March Spartanburg County SC
Four-lobed purple (rarely white) corolla with a reddish center, per Guide to the Plants of Granite Outcrops (Murdy & Carter, 2000).
)
Steve Marlow snm100327_r111_32
March Greenville County SC
Parking lot
Leaves mostly basal or greatly reduced above, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Glen Peterson gkp_9935_hpusilla
April Spartanburg County SC
4-lobed salverform corolla, 4 lanceolate or subulate sepals, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Glen Peterson gkp_9950_hpusilla
April Spartanburg County SC
Plants annual, with at most a few short-lived basal leaves, per Weakley's Flora.
)
Glen Peterson gkp_9955_hpusilla
April Spartanburg County SC
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Houstonia pusilla
FAMILY
Rubiaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Houstonia pusilla
FAMILY
Rubiaceae
SYNONYMOUS WITH
Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)
Hedyotis crassifolia
SYNONYMOUS WITH
Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Hedyotis crassifolia
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 173-08-003:
Houstonia pusilla
FAMILY
Rubiaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Houstonia minima
INCLUDED WITHIN
Manual of the Southeastern Flora (Small, 1933, 1938)
Houstonia pusilla
700
Forb
Annual
Habitat: woodlands, prairies, lawns, cemeteries, and other disturbed sites, per Weakley's Flora
Native to Carolinas & Georgia - natural habitats & original distribution obscure
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, with at most a few short-lived basal leaves
Margins entire
FLOWER:
Spring
Deep lavender
Eye: Red
Bisexual
Radially symmetrical
4 sepals
4-lobed salverform corolla
4 included stamens
FRUIT:
Spring
Capsule
TO LEARN MORE about this plant, look it up in a good book!
- All About South Carolina Wildflowers (Midgley, 1999) p180
- Atlantic Coastal Plain Wildflowers (Nelson, 2006) p070
- Guide to the Plants of Granite Outcrops (Murdy & Carter, 2000) p10
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p420
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p098
- Wildflowers in the Field and Forest: Northeastern US (Clemants & Gracie, 2006) p038
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p320
- Wildflowers of Tennessee (Carman, 2005) p262
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p307
- Wildflowers of the Southern Mountains (Smith, 1998) p165
- Wildflowers of the Sandhills Region (Sorrie, 2011) p336