Erigonum annuum
(Annual Buckwheat)
Eriogonum annuum, Lake Colorado City State Park, Mitchell Co. 3098
Eriogonum annuum, Lake Colorado City State Park, Mitchell Co. 2993
Eriogonum annuum, Lake Colorado City State Park, Mitchell Co. 3092
Eriogonum annuum, Lake Colorado City State Park, Mitchell Co. 3083
Eriogonum annuum, Lake Colorado City State Park, Mitchell Co. 3102
| Scientific Name | Eriogonum annuum | USDA PLANTS Symbol | ERAN4 |
| Common Name | Annual Buckwheat, Wild Buckwheat | ITIS Taxonomic Serial No. | 21006 |
| Family | Polygonaceae (Buckwheat) | SEINet Reference |
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| Description | Habitat: Sandy or gravelly soils in grasslands, woodlands, roadsides and disturbed areas; 300 to 6200 ft. Plant: Erect biennial or annual, 2 to 6 feet tall; usually solitary, leafy, stems branching only in the inflorescence and with dense, woolly hairs. Leaves: Basal leaves usually withered before flowering; stem leaves are in the lower 3/4 portion, alternate, oblong to oblanceolate blades, 3/8 to 2-3/4 inches long and 1/8 to 5/8-inch wide; on short petioles, less than 1/4-inch long; both surfaces densely hairy, the lower moreso. Inflorescence: Large open cymes or umbels located at the top of the stem with tight clusters of several white to pink flowers in a cup-shaped, densely hairy involucre; each individual flower is less than 1/8-inch long, with 6 petal-like tepals. Bloom Period: September to November. References: "Manual of the Vascular Plants of Texas" by Correll and Johnston 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