|Scientific Name||Tetraneuris scaposa var. scaposa (Hymenoxys scaposa)||USDA PLANTS Symbol||TESCS|
|Common Name||Four-nerved Daisy, Plains Yellow Daisy||ITIS Taxonomic Serial No.||530628|
|Description||Habitat: Dry, gravelly soils along roadsides, hillsides, pastures, open areas, edges of woods.
Plant: Upright, slender perennial with a few to many stems 5-1/2 to to 16 inches long; stems are somewhat hairy.
Leaves: Crowded near the base, linear, linear-oblanceolate, oblanceolate, or (rarely) spatulate blades up to 3 inches long, entire edges or with a couple of small lobes; surfaces with glands sunken in pits (usually) and smooth or covered with long soft hairs.
Inflorescence: Solitary head on long, erect peduncle, 0.8 to 1.4 inches across, with a dozen or so bright yellow rays with toothed tips; veins (nerves) are green or sometimes purplish-brown (var. villosa); 30 or more darker yellow disk flowers; cup–shaped, hairy involucre with about 20 phyllaries in 2 subequal series; outer phyllaries are broadly lanceolate.
Bloom Period: April and May and again September and October.
References: "Wildflowers of Texas" by Geyata Ajilvsgi, Vascular Plants of Williamson County, Flora of North America and American Southwest.
|BONAP Distribution Map
Map Color Key
Banner photo of Lupinus ssp. by Rick Capozza, Austin TX
© Tom Lebsack 2023