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Noun1.Machaeranthera - wildflowers of western North AmericaMachaeranthera - wildflowers of western North America
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
Machaeranthera tanacetifolia, tahoka daisy, tansy leaf aster - wild aster with fernlike leaves and flower heads with very narrow bright purple rays; Alberta to Texas and Mexico
Machaeranthera bigelovii, sticky aster - wild aster having leafy stems and flower heads with narrow bright reddish-lavender or purple rays; western Colorado to Arizona
Machaeranthera 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
References in periodicals archive ?
Insect herbivores limit habitat distribution of a native composite, Machaeranthera conescens.
On the other hand, while selenium is accumulated by asters, Machaeranthera, Atriplex, Oonopsis and some species of Astragalus (milkvetch), there are some plants which are obligated to accumulate it -- they need it: Stanleya (Princesplume), Xylorrhiza (woody aster) and Astragalus mollissimun (locoweed).