Erigonum jamesii var. undulatum
(James’ Buckwheat)
Eriogonum jamesii var. undulatum, Lost Mine Trail, Big Bend National Park 1073
Eriogonum jamesii var. undulatum, Lost Mine Trail, Big Bend National Park 1052
Eriogonum jamesii var. undulatum, Lost Mine Trail, Big Bend National Park 1049
Eriogonum jamesii var. undulatum, Lost Mine Trail, Big Bend National Park 1058
Eriogonum jamesii var. undulatum, Lost Mine Trail, Big Bend National Park 1068
| Scientific Name | Eriogonum jamesii var. undulatum | USDA PLANTS Symbol | ERJAU |
| Common Name | James' Buckwheat | ITIS Taxonomic Serial No. | 195503 |
| Family | Polygonaceae (Buckwheat) | SEINet Reference |
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| Description | Habitat: Sandy to gravelly or rocky, often limestone flats and slopes in grasslands, brushlands and woodlands, including dry talus slopes in the Chisos Mountains; 5200 to 9500 ft. Plant: Spreading subshrub up to 10 inches high and 20 to 40 inches across; branching, hairy stems. Leaves: Oblong or elliptic to oval blades, 3/8 to 1 inch long and 1/8 to 1/3-inch wide; basal leaves on petioles as long or longer than leaf blades; smaller sessile leaves (or bracts) in a whorl just below the inflorescence; all covered with fine hairs, especially dense on the underside; leaf margins are undulate and crisped. Inflorescence: Clusters of tiny greenish-white to cream flowers (becoming pinkish-orange in fruit) in compound umbels atop hairy stalks; each flower with 6 hairy tepals and less than 1/4-inch across; protruding styles and stamens. Bloom Period: July to October. References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, American Southwest and Flora of North America. |
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