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Arenaria benthamii (Hilly sandwort)
Knight, Marilyn McBroom

Arenaria benthamii

Arenaria benthamii Fenzl ex Torr. & A. Gray

Hilly sandwort

Caryophyllaceae (Pink Family)



USDA Native Status: L48 (N)


Plant Characteristics

Duration: Annual
Habit: Herb
Root Type: Tap
Leaf Arrangement: Opposite
Leaf Complexity: Simple
Leaf Shape: Elliptic , Lanceolate , Oblanceolate , Ovate
Leaf Margin: Undulate
Leaf Apex: Acute , Apiculate , Cuspidate
Inflorescence: Cyme , Terminal
Fruit Type: Capsule
Size Class: 1-3 ft.

Bloom Information

Bloom Color: White
Bloom Time: Mar , Apr , May , Jun , Jul


USA: LA , NM , OK , TX
Native Habitat: North central, central, and south Texas west to the eastern Trans-Pecos. Grows on limestone outcrops, among boulders and in open woodlands, usually in shade of shrubs or small trees.

Growing Conditions

Light Requirement: Sun , Part Shade
Soil Moisture: Moist


Conspicuous Flowers: yes

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Lady Bird Johnson Wildflower Center - Austin, TX

Research Literature

Reslit 172 - Long-term effects of dormant-season prescribed fire on plant community diversity, structure and productivity in a longleaf pine wiregrass ecosystem (1997) D. G. Brockway and C. E. Lewis
Reslit 173 - Restoring longleaf pine wiregrass ecosystems: plant cover, diversity and biomass following low-rate hexazinone application on Florida sandhills (1998) D. G. Brockway, K. W. Outcalt and R. N. Wilkins
Reslit 523 - Patterns of differentiation in wiregrass (Aristida beyrichiana): Implications for restoration efforts (1998) D. R. Gordon and K. J. Rice
Reslit 470 - The role of herbicide in savanna restoration: Effects of shrub reduction treatments on the understory and overstory of a longleaf pine flatwoods (2009) J. E. Freeman and S. Jose
Reslit 413 - Species-specific patterns of hydraulic lift in co-occurring adult trees and grasses in a sandhill community (2004) J. F. Espeleta, J. B. West and L. A. Donovan
Reslit 326 - Elevated atmospheric CO2 affects structure of a model regenerating longleaf pine community (2002) M. A. Davis, S. G. Pritchard, R. J. Mitchell, S. A...
Reslit 294 - Understory restoration in longleaf pine sandhills (2004) A. C. Cox, D. R. Gordon, J. L. Slapcinsky and G. S...
Reslit 713 - Shifts in botanical composition of flatwoods range following fertilization (1996) R. Kalmbacher and F. Martin
Reslit 716 - Wiregrass grown from seeds obtained on Florida flatwood and sandhill sites (2004) R. Kalmbacher, J. Norcini, T. Pittman, S. Pfaff an...
Reslit 744 - A taxonomic reevaluation of Aristida stricta (Poaceae) using anatomy and morphology (2003) T. R. Kesler, L. C. Anderson and S. M. Hermann

This information was provided by the Florida WIldflower Foundation.
Search More Titles in Research Literature

Additional resources

USDA: Find Arenaria benthamii in USDA Plants
FNA: Find Arenaria benthamii in the Flora of North America (if available)
Google: Search Google for Arenaria benthamii


Record Modified: 2012-06-30
Research By: NPC

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