Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Gentianales
WEAKLEY'S FLORA (5/21/15):
Houstonia micrantha
FAMILY
Rubiaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Houstonia micrantha
FAMILY
Rubiaceae
SYNONYMOUS WITH (MISAPPLIED)
Manual of the Southeastern Flora (Small, 1933)
Houstonia pusilla
SYNONYMOUS WITH
The Genera of Cinchonoideae (Rubiaceae) in the southeastern US (Rogers, 1987)
Hedyotis australis
COMMON NAME:
Southern Bluet
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JK Marlow jkm110316_012
March Greenville County SC
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JK Marlow jkm160311_140
March Greenville County SC
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JK Marlow jkm160311_142
March Greenville County SC
Corollas white, 2.0-5.5mm long (vs. H. pusilla, purple or violet, 3.5-10+mm, per Weakley's Flora.
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JK Marlow jkm160311_144
March Greenville County SC
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JK Marlow jkm160311_151
March Greenville County SC
Calyx lobes slightly shorter than to slightly longer than the corolla tube, per Weakley's Flora.
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JK Marlow jkm170324_214
March Greenville County SC
Swamp Rabbit Trail
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JK Marlow jkm170406_453
March Greenville County SC
Swamp Rabbit Trail
Plants annual, with at most a few short-lived basal leaves, per Weakley's Flora.