drought tolerant

Showing 37–48 of 110 results

  • Draba nemorosa / yellow whitlow-grass

    • teeny, often silvery plant with teeny yellow 4-petal flowers
    • rosette leaves have trichomes even when not really silvery
    • annual ephemeral seen soon after snowmelt
    • usually exposed near or on rocks, dry slopes
    • flat, elliptical seed capsules

  • Drymocallis arguta / tall cinquefoil

    • yellow flowers, 5 petals with pointy green sepals between
    • many stamens; central disk of yellow pistils
    • flowers in clusters with short stems (cyme)
    • most leaves basal - pinnately compound, coarsely toothed, obovate
    • many soil types, but not overly moist

  • Elymus trachycaulus / slender wheatgrass

    • cool season bunchgrass; no rhizomes
    • flower spikes very narrow and linear; overlapping spikelets tightly pressed to stem
    • flat, medium-width leaves; somewhat bluish
    • beautifully straw colored in fall
    • common but rarely abundant; many habitats

  • Equisetum arvense / field horsetail

    • segmented brown stems with spore-bearing "cone" at the tip
    • or - segmented green stem with thin green branches radiating from nodes
    • distinctly visible nodes along the stems
    • no leaves or flowers
    • found in many different habitats

  • Eremogene kingii / King’s sandwort

    • low-growing herb with long, thin basal leaf clusters
    • white, 5-petaled flowers, ca. 1/2 in across, in terminal clusters
    • 10 stamens, sometimes dark, sometimes white
    • at higher elevations on shallow soil

  • Ericameria nauseosa / rubber rabbitbrush

    • golden-yellow flower heads in profusion
    • small 5-petaled flowers
    • widespread shrub
    • very narrow, linear leaves
    • white sticky sap ("rubber")

  • Erigeron compositus / cutleaf fleabane

    • "obviously" a daisy - white "petals" (ray florets), yellow center (disk florets)
    • flowers ca. 1" diameter
    • flowers grow above hairy leaf mat
    • early spring - soon after snowmelt
    • rocky areas amongst sagebrush

  • Erigeron speciosus / aspen fleabane

    • prolific purple-ish flowers with many "petals" and a yellow center
    • forest openings and edges, meadows
    • late blooming - a "fall aster"

  • Eriogonom spp. / wild buckwheat

    • short, with small leaves close to the ground
    • leaves persistent in winter, green and red
    • blossoms - cute little buttons that look like dried flowers; long-lasting
    • inflorescence - umbel or compound umbel
    • may be white, cream, yellow, pink, red; changeable with age

  • Erysimum capitatum / western wallflower

    • yellow (usually) 4-petaled flowers at top of stem
    • inflorescence may be as big as a baseball, and round
    • mostly basal rosette of leaves
    • cauline leaves narrow with small teeth
    • siliques horizontal to nearly vertical; relatively long
    • variety of habitats, but not wetlands

  • Festuca idahoensis / Idaho fescue

    • a bunchgrass growing in very dense clumps
    • over-winters green; an early green grass in spring
    • green to blue-green to silvery green leaves
    • individual flowers in clusters of hairy spikelets on branched panicles; very dark purple or green
    • seeds have large spines (awns) at the tips

  • Gaillardia aristata / common blanketflower

    • bright red petals with yellow tips, or yellow petals the whole way
    • reddish brown central disk
    • attractive yellow seed balls with tufts of red hair all over
    • leathery, slightly hairy leaves

Showing 37–48 of 110 results