significant

Showing 13–24 of 45 results

  • Delphinium bicolor / low larkspur

    • short plant with a spike of purple flowers
    • individual flowers have a pronounced spur out the back
    • leaves are few, round, deeply lobed, about the size of a quarter
    • widespread throughout the valley and on the hills
    • appears and blooms soon after snowmelt

  • Ericameria nauseosa / rubber rabbitbrush

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

  • Erysimum asperum / prairie-rocket wallflower

    • yellow flowers, large for a crucifer
    • flowers in clusters above foliage
    • oval/elliptical leaves, to 4" long... hairy
    • long thin fruit pod (silique) perpendicular to stem, may curve upward

  • 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

  • Hackelia floribunda / many-flowered stickseed

  • Hackelia micrantha / Jessica sticktight

    • teeny blue flowers with yellow/white centers
    • flowers appear singly or in groups above developing fruit
    • inflorescence mostly on one side of the stem
    • lower leaves long and narrow; upper leaves fewer and sessile
    • fruit a pointy and tenacious nutlet

  • Heterotheca villosa / hairy goldenaster

    • yellow composite with 10-20 ray florets, orange-brown disk
    • hairy leaves and stems
    • blooms throughout season, often densely
    • disturbed and challenging habitats

  • Huechera cylindrica / coral bells

    • oval-shaped leaves growing in clumps/tufts - all basal
    • leaf edges with small lobes or teeth
    • teeny pale yellow, creamy, green or pink flowers on a leafless stem
    • flowers more dense at top of spike than lower down
    • in woods, on cliff-side ledges, rocky slopes and subalpine meadows

  • Koeleria macrantha / Prairie Junegrass

    • short, tuft-forming bunchgrass
    • leaves short and basal with raised veins
    • grows in early spring; flowers in June/July
    • spike-like cylindrical inflorescence, 2-5" long, tan or purple
    • scattered distributions, esp. in rocky or sandy forests or plains

  • Linaria vulgaris / yellow toadflax

    • fine, threadlike leaves, plants up to 3 feet tall
    • flowers similar to snapdragon, pale yellow with orange lower lip, long spur
    • flowers in tight terminal clusters
    • plants typically in patches
    • "noxious" weed in Idaho

Showing 13–24 of 45 results