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Showing 73–84 of 343 results

  • Cirsium arvense / Canada thistle

    • purple or lavender clearly-thistle flower heads
    • multiple small flower heads per stem
    • deeply lobed, spiny leaves, but stems not spiny
    • clonal and perennial
    • in clumps or along roads, sometimes quite large/long

  • Cirsium hookerianum / Hooker’s thistle

    • clearly a thistle, but with white flowers
    • native but not plentiful
    • seen at Mahogany Creek in mid-August

  • Cirsium scariosum / elk thistle

    • usually tall, quite prickly thistle with deeply lobed, spiny leaves
    • large, lavender (pink to purple) flowers hidden by the long leaves
    • covered with white hairs giving it a silvery look overall
    • in moist areas, in full sun

  • Cirsium vulgare / bull thistle

    • very nasty spines all over, including stems
    • purple flower head over pear/egg-shaped narrow, spiny bracts
    • fruits are thistle-downy
    • disturbed areas, but also forest gaps, stream sides and seeps

  • Claytonia lanceolata / lanceleaf spring beauty

    • small, very early spring, ephemeral
    • 5 white or pink-ish petals with pink/purple stripes
    • pair of opposite leaves at mid-stem; lanceolate

  • Clematis hirsutissima / hairy clematis

    • striking, purple, upside-down vase
    • four hairy sepals (not actually petals) fused to make the vase
    • one flower per stem
    • leaves divided into narrow leaflets
    • moist or seasonally moist meadows

  • Clematis ligusticifolia / western white clematis

    • climbing vine... makes dense canopy
    • in canyons and streamside thickets
    • compound leaves with 5-15 leaflets, often widely spaced
    • white flowers with 4 "petals", many pistils and stamens — late summer
    • fruit is fluffy white cluster in Sept/Oct

  • Clematis occidentalis / purple clematis

    • grows as a vine with hairy stems - on ground, over logs or up trees
    • leaves are trifoliate
    • flowers have 4 "petals" and hang down (nodding)
    • thick central core of stamens and pistils

  • Collinsia parviflora / maiden blue-eyed Mary

    • inconspicuous
    • teeny blue and white flowers, singly or in small clusters
    • reddish stems and buds more visible than the flowers
    • wide variety of habitats, bare rocks to marshy fens

  • Collomia linearis / tiny trumpet

    • teeny, tubular, lilac to white flowers
    • flowers in clusters at top of stem in a basket of leaves
    • velvety stem; long, narrow, lance-shaped leaves

  • Comandra umbellata / bastard toadflax

    • teeny, funnel-shaped white-ish flowers in clusters
    • small plants, thick-ish, pointy stem leaves; more oval basal leaves
    • clonal - may colonize large areas

  • Convulvulus arvensis / field bindweed

    • prostrate and twining vine with white "morning-glory" flowers
    • may be so dense as to choke out other plants
    • roadsides, agricultural fields, waste areas
    • "noxious" in Idaho

Showing 73–84 of 343 results