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 nigricans var. nigricans   FAMILY Rubiaceae   Go to FSUS key



INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Stenaria nigricans var. nigricans   FAMILY Rubiaceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2015)

Stenaria nigricans var. nigricans

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

Hedyotis nigricans var. nigricans

INCLUDED WITHIN The Genera of Cinchonoideae (Rubiaceae) in the southeastern US (Rogers, 1987)

Hedyotis nigricans

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Houstonia angustifolia

 

COMMON NAME:
Diamond-flower, Glade Bluet, Prairie Bluet


         To see larger pictures, click or hover over the thumbnails.

image of Houstonia nigricans var. nigricans, Diamond-flower, Glade Bluet, Prairie Bluet

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_hoan2_001_lvd

        

 

 

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

INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Stenaria nigricans var. nigricans   FAMILY Rubiaceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2015)
Stenaria nigricans var. nigricans

INCLUDED WITHIN Floristic Synthesis of North America (Kartesz, 1999)
Hedyotis nigricans var. nigricans

INCLUDED WITHIN The Genera of Cinchonoideae (Rubiaceae) in the southeastern US (Rogers, 1987)
Hedyotis nigricans

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Houstonia angustifolia

 

Find by SCIENTIFIC NAME:

2963

Forb
Perennial

Habitat: limestone barrens, limestone glades, limestone rocky bluffs, blackland prairies, longleaf pine sandhills, coastal dunes, coastal grasslands, scrubby pine flatwoods, per Weakley's Flora

Native to Georgia

Rare

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

LEAVES:
Simple
Opposite
Margins entire

FLOWER:
Spring/Summer/Fall
White/Lavender
Radially symmetrical
4 sepals
4-lobed funnelform corolla
4 included stamens
Bisexual

FRUIT:
Spring/Summer/Fall?
Capsule

 

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



 


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