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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)


From the Image Gallery

3 photo(s) available in the Image Gallery

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

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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