Heterotheca


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Noun1.Heterotheca - genus of yellow-flowered North American herbs
asterid dicot genus - genus of more or less advanced dicotyledonous herbs and some trees and shrubs
aster family, Asteraceae, Compositae, family Asteraceae, family Compositae - plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinnia
Chrysopsis villosa, hairy golden aster, Heterotheca villosa, prairie golden aster - hairy perennial with yellow flower heads in branched clusters; found almost everywhere in dry places from Canada to west central and western United States; sometimes placed in genus Chrysopsis
References in periodicals archive ?
Pericarp structure cause a barrier effect for Senecio jacobaea (McEvoy, 1984), Heterotheca latifolia (Venable and Levin, 1985) and Anthemis chrysantha (Aguado et al., 2011).
Recently, metallic silver nanoparticles using an extract of Heterotheca inuloides have been synthesized and their use in coating elastomeric ligatures has demonstrated improved physical properties of these ligatures compared to conventional ligatures.
Olea-Mejia et al., "Synthesis of silver nanoparticles using aqueous extracts of Heterotheca inuloides as reducing agent and natural fibers as templates: Agave lechuguilla and silk," Materials Science and Engineering C: Materials for Biological Applications, vol.
Research has shown that some of the raw botanical materials labeled as "Arnica montana" contain so-called false arnica (Heterotheca inuloides), also known as Mexican arnica, or other yellow-flowering species from the family Asteraceae.
Kubo et al., "Cytotoxic and antioxidative sesquiterpenoids from Heterotheca inuloides," Planta Medica, vol.
common sunflower Helminthotheca echioides (L.) Holub * bristly ox-tongue Heterotheca grandiflora Nutt.
Above the canyon where the entrance of the cave is located are gypsum outcrops that support a community composed of the native plants Opuntia (pricklypear), Heterotheca stenophylla (stiffleaf false golden aster), Psilostrophe tagetina var.
The disturbed dry sand prairie was dominated by Eragrostis trichodes, Heterotheca camporum, and Ambrosia psilostachya; the mature dry sand prairie was dominated by Schizachyrium scoparium, Tephrosia virginiana, and Opuntia humifusa (McClain et al.
New reports for native species are Chasmanthium omithorhynchum (Steud.) Yates (Poaceae) Conecuh and Escambia Counties; Heterotheca camporum (Greene) Shinners var.
Stinkwort is closely related to fleabanes, horseweed (Erigeron; formerly Conyza), goldenasters and telegraphweed (Heterotheca), but it also closely resembles the tarweeds (Centromadia spp., Hemizonia spp.