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AGAVE AND YUCCA | CACTI | WILDFLOWERS

Tripterocalyx Micranthus, Smallflower Sand Verbena


Plants > Wildflowers > Nyctaginaceae > Tripterocalyx Micranthus
Smallflower Sand Verbena; Smallflower sand verbena (tripterocalyx micranthus), along the Sand Ramp Trail, Great Sand Dunes National Park, Colorado
Smallflower sand verbena (tripterocalyx micranthus), along the Sand Ramp Trail, Great Sand Dunes National Park, Colorado
Common name:
Smallflower sand verbena
Family:
Four-o-clock (Nyctaginaceae)
Scientific name:
Tripterocalyx micranthus
Synonym:
Abronia micrantha
Main flower color:
White
Range:
Scattered areas across the West, from southeast California to North Dakota
Height:
Up to 24 inches, but grows close to the ground
Habitat:
Scrubland, sagebrush, semi-deserts, sandy locations
Leaves:
Ovate to elliptic, thick, glandular, up to 2 inches, on stalks
Season:
April to September
Pintrest
Stems, leaves and flower tubes of tripterocalyx micranthus have a covering of sticky, glandular hairs. The plant often grows in sandy areas, and commonly has grains of sand adhering to the stems, which are reddish in color. The spherical flower clusters are small and compact, containing between 5 and 15 heads and subtended by thin, papery, lance-shaped bracts, which usually have hairy edges.

Flowers consist of a slender, greenish-red tube, about 2/3 of an inch long, opening out into five small, divided lobes, which have somewhat ragged edges. The freely-branching stems are relatively long, up to 2 feet, but grow sideways, close to the ground. The fruit is a small capsule, usually with 3 wings.




Leaves and bracts
Leaves and bracts
Smallflower Sand Verbena
Sandy flowers
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