Plants in the Valley

Showing 157–168 of 335 results

  • Hippuris vulgaris / common mare’s tail

    • two possible forms - emergent and submerged
    • submerged looks like a tail... thick with whorls of long-ish leaves
    • emergent looks like Equisetum gone wild... whorls of many leaves
    • both forms may be present
    • mostly in river backwaters or small streams running through the fen

  • Hordeum jubatum / foxtail barley

    • attractive roadside grass
    • long, silky, glistening awns; red, green, purple-ish
    • awns and bracts are sharp and barbed... potentially dangerous to dogs

  • 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

  • Hydrophyllum capitatum / ballhead waterleaf

    • leaves to 10" tall, deeply lobed (7-11 lobes)
    • globe of purple-blue-white flowers below the leaves or at ground level
    • flowers are fuzzy while still in bud
    • rocky, shady, seasonally moist sites

  • Hyocyamus niger / black henbane

    • highly toxic! including contact dermatitis
    • 5-lobed, funnel-shaped flowers, brownish yellow with purple veins and center; 1.5" across
    • flowers in summer, e.g. warm June, July
    • elliptical leaves, pointy tips, toothed or lobed margins, prominent veins
    • highly disturbed areas: wastelands, field edges etc.

  • Hypericum perforatum / St. John’s wort

    • bright yellow, 5-petaled flowers
    • many stamens sticking out every which way
    • sizable black and/or white glands on leaves and petals
    • waist high and grows in large colonies (invasive)
    • not (yet) seen west of the Tetons

  • Iliamna rivularis / streambank globemallow

    • showy, pink flowers, sometimes rose or nearly white
    • tall, up to 6 feet
    • large, broadly "heart-shaped" leaves with big, triangular lobes

  • Ipomopsis aggregata / scarlet gilia

    • bright red (usually), elongated, trumpet-like flowers; 5 petals
    • late season (July, August) flowers may be white
    • highly divided, comb-like leaves
    • pollination by hummingbirds (red forms) and moths (white, late forms)
    • smells bad but tastes good

  • Iris missouriensis / western blue flag iris

    • wetland monocot - long leaves, parallel veins
    • large blue flower with yellow "signal" stripe, purple veins
    • 3 petals, 3 sepals make up the flower
    • blooms in spring
    • "like a domestic iris on a diet"

  • Ivesia gordonii / Gordon’s mousetail

    • subalpine to alpine
    • low, on shallow, rocky soils
    • individual stalks are leaves with ~20 overlapping lobes
    • clusters of teeny yellow flowers on naked stems

  • Juniperus scopulorum / Rocky Mountain juniper

    • small, rounded evergreen tree (or shrub)
    • fibrous, red to grey, shredded bark
    • pollen and seed cones at branch tips on separate plants
    • female cones blue berries with a waxy, whitish bloom
    • leaves on mature plants scale-like
    • leaves on young plants are prickly, needle-like

  • 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

Showing 157–168 of 335 results