genus Machaeranthera

Thesaurus

Noun

1.genus Machaeranthera - wildflowers of western North AmericaMachaerantheraasterid dicot genus - genus of more or less advanced dicotyledonous herbs and some trees and shrubsaster family, Asteraceae, Compositae, family Asteraceae, family Compositae - plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinniaMachaeranthera tanacetifolia, tahoka daisy, tansy leaf aster - wild aster with fernlike leaves and flower heads with very narrow bright purple rays; Alberta to Texas and MexicoMachaeranthera bigelovii, sticky aster - wild aster having leafy stems and flower heads with narrow bright reddish-lavender or purple rays; western Colorado to ArizonaMachaeranthera tortifoloia, Mojave aster - wild aster having greyish leafy stems and flower heads with narrow pale lavender or violet rays; of rocky desert slopes California to Arizona and Utah