Erigonum multiflorum var. riograndis
(Rio Grande Buckwheat)
Eriogonum multiflorum var. riograndis, Lamar, Aranasas Co. 8906
Eriogonum multiflorum var. riograndis, Lamar, Aranasas Co. 8903
Eriogonum multiflorum var. riograndis, Lamar, Aranasas Co. 8891
Eriogonum multiflorum var. riograndis, Lamar, Aranasas Co. 8897
Eriogonum multiflorum var. riograndis, Lamar, Aranasas Co. 8868
| Scientific Name | Eriogonum multiflorum var. riograndis | USDA PLANTS Symbol | ERMU4* |
| Common Name | Rio Grande Buckwheat, Heart-sepal Wild Buckwheat | ITIS Taxonomic Serial No. | 823923 |
| Family | Polygonaceae (Buckwheat) | SEINet Reference |
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| Description | Habitat: Sandy or gravelly soils in oak and conifer woodlands and open areas. Plant: Tall, leafy annual (or biennial) 1-1/2 to 6-1/2 ft. tall; single-stemmed at the base, becoming branched above; stems with woolly hairs. Leaves: Blades are oblong to narrowly ovate, 0.6 to 1.6 inches long and 0.4 to 0.9 inches wide; edges are entire or somewhat undulate (wavy); somehat hairy upper surface, very hairy (woolly) lower surface; nearly sessile. Inflorescence: Flat–topped branching array up to to 8 inches across of many very small white blossoms; flowers are less than 1/8-inch across with white tepals becoming reddish-brown and have a prominent, slightly darker mid-rib; protruding stamens; green, funnel-shaped involucre with 5 lobes. Bloom Period: September to November. References: "Manual of the Vascular Plants of Texas" by Correll and Johnston and Flora of North America; E. multiflorum var. multiflorum in Vascular Plants of Williamson County by A.C. Gibson. * E. multiflorum var. riograndis is not listed in the USDA Plants database. |
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