OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Houstonia pusilla   FAMILY Rubiaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Houstonia pusilla   FAMILY Rubiaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Houstonia pusilla

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)

Houstonia pusilla

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.

image of Houstonia pusilla, Tiny Bluet, Small Bluet

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_homi2_001_lvd

        

image of Houstonia pusilla, Tiny Bluet, Small Bluet

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_hopa6_001_lvd

        

image of Houstonia pusilla, Tiny Bluet, Small Bluet

JK Marlow    jkm160226_995

February    Aiken County    SC

Roadside

image of Houstonia pusilla, Tiny Bluet, Small Bluet

JK Marlow    jkm200228_2876

February    Williamsburg County    SC

Leaves ovate, lanceolate or elliptic; tips acute; margins toothless, ciliate, per www.illinoiswildflowers.info.

image of Houstonia pusilla, Tiny Bluet, Small Bluet

JK Marlow    jkm0303y_22

March    Greenville County    SC

Roadside

image of Houstonia pusilla, Tiny Bluet, Small Bluet

JK Marlow    jkm200315_3194

March    Greenville County    SC

H. micrantha's small white flowers mixed with the larger blue H. pusilla.

image of Houstonia pusilla, Tiny Bluet, Small Bluet

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).

image of Houstonia pusilla, Tiny Bluet, Small Bluet

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).

image of Houstonia pusilla, Tiny Bluet, Small Bluet

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).

image of Houstonia pusilla, Tiny Bluet, Small Bluet

Glen Peterson    gkp_9950_hpusilla

April    Spartanburg County    SC

Plants annual, with at most a few short-lived basal leaves, per Weakley's Flora.

image of Houstonia pusilla, Tiny Bluet, Small Bluet

Glen Peterson    gkp_9955_hpusilla

April    Spartanburg County    SC

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Houstonia pusilla   FAMILY Rubiaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Houstonia pusilla   FAMILY Rubiaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Houstonia pusilla

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Houstonia pusilla

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

 

Find by SCIENTIFIC NAME:

700

Forb
Annual

Habitat: woodlands, prairies, glades, barrens, lawns, cemeteries, and other disturbed sites, per Weakley's Flora

Native to Carolinas & Georgia - natural habitats & original distribution obscure

Common (uncommon in Mountains)

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

LEAVES:
Simple
Opposite, with at most a few short-lived basal leaves
Margins entire

FLOWER:
Spring
Deep lavender
Eye: Red
Radially symmetrical
4 sepals
4-lobed salverform corolla
4 included stamens
Bisexual

FRUIT:
Spring
Capsule

 

TO LEARN MORE about this plant, look it up in a good book!



 


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