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Marcus, Joseph A.
Stenaria nigricans var. nigricans
Stenaria nigricans (Lam.) Terrell var. nigricans
Diamondflowers, Narrowleaf bluets, Baby's breath, Bluets, Fine-leaf bluets
Synonym(s): Chamisme angustifolia, Gentiana nigricans, Hedyotis nigricans, Hedyotis nigricans var. austrotexana, Hedyotis nigricans var. filifolia, Hedyotis nigricans var. nigricans, Hedyotis nigricans var. papillacea, Hedyotis nigricans var. pulvinata, Hedyotis nigricans var. rigidiuscula, Hedyotis nigricans var. scabra, Hedyotis salina, Houstonia angustifolia, Houstonia angustifolia var. filifolia, Houstonia angustifolia var. rigidiuscula, Houstonia filifolia, Houstonia nigricans, Houstonia nigricans var. pulvinata, Houstonia pulvinata, Houstonia rigidiuscula, Houstonia salina, Houstonia tenuis, Oldenlandia angustifolia, Oldenlandia angustifolia var. filifolia
USDA Symbol: STNIN
USDA Native Status: L48 (N)
Delicate and slender-stemmed, this perennial can be upright or sprawling, and 2-20 in. high. Diamond-flowers or bluet stems form clumps and become branched in the upper portion. Its small but abundant flowers are pink or white, trumpet-shaped, four-lobed, and in clusters at the ends of stiff branches. Leaves are very narrow and thread-like with rolled margins.
Nigricans so named because the leaves turn black when dry.
Plant CharacteristicsDuration: Perennial Habit: Herb Fruit: Size Class:
Bloom InformationBloom Color: White , Pink
Bloom Time: Apr , May , Jun , Jul , Aug , Sep , Oct , Nov
, VA Native Distribution: FL
to c. AZ
& adjacent Mex., n. to GA, OH, IN,
& IA Native Habitat:
Dry, rocky prairies & hillsides; rocky, open woods; roadsides
Growing ConditionsLight Requirement: Sun
Soil Description: Sandy or calcareous soils.
Conditions Comments: Not Available
Herbarium Specimen(s)NPSOT 0110
Collected May 30, 1991 in Bexar County by Lottie MillsapsNPSOT 0524
Collected Jul 27, 1987 in Bexar County by Harry CliffeNPSOT 0396
Collected May 30, 1993 in Comal County by Mary Beth WhiteNPSOT 0414
Collected May 28, 1987 in Bexar County by Harry CliffeNPSOT 0251
Collected July 7, 1992 in Kendall County by Kristina Coates
Record Last Modified: 2009-06-24
Research By: TWC Staff