Texas
Wildbuds

Stenaria nigricans var.nigricans

(Diamondflowers)

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Stenaria nigricans var.nigricans, Closed Canyon, Big Bend Ranch State Park 1160

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Stenaria nigricans var.nigricans, Closed Canyon, Big Bend Ranch State Park 1156

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Stenaria nigricans var.nigricans, Pinnacles Trail, Big Bend National Park 7355

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Stenaria nigricans var.nigricans, Ernst Tinaja, Big Bend National Park 2100

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Stenaria nigricans var.nigricans, Emma Long Park, Austin, Travis Co. 2134/2147

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Stenaria nigricans var.nigricans, Copper Breaks State Park, Hardeman Co. 0161

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Stenaria nigricans var.nigricans, Lake Brownwood State Park, Brown Co. 9485

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Stenaria nigricans var.nigricans, Copper Breaks State Park, Hardeman Co. 0159

Scientific Name Stenaria nigricans var. nigricans (Hedyotis nigricans var. nigricans, Houstonia nigricans var. nigricans) USDA PLANTS Symbol STNIN
Common Name Diamondflowers, Baby's Breath, Bluets ITIS Taxonomic Serial No. 846093
Family Rubiaceae (Madder) SEINet
Reference
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Description Habitat: Widespread; usually dry sandy or calcareous soils.
Plant: Upright to sprawling, smooth, slender perennial 2 to 20 inches tall, with one or more stems, much-branched.
Leaves: Narrow, linear, opposite leaves, 3/8 to 1-1/2 inches long; prominent mid-rib; pair of smaller leaves at nodes.
Inflorescence: A few to many small white, pink or pale lavender funnel-shaped blossoms arranged in cymes, each about about 3/8-inch across with normally 4 (or 5?) pointed, fuzzy, spreading lobes; flowers are heterostylic (some flowers having longer stamens and short styles; others just the opposite), may have blue anthers atop short, white filaments; greenish-white style.
Bloom Period: April to November.
References: "Wildflowers of Texas" by Geyata Ajilvsgi, "Wildflowers of the Texas Hill Country" by Marshall Enquist, Missouri Plants, and SEINet.
BONAP Distribution Map

Map Color Key
Texas Status:
Native

Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County

© Tom Lebsack 2024