White

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  • Achillea millefolium / yarrow

    • common - white umbrella-type flower
    • feathery leaves
    • clonal; often found in patches

  • Actaea rubra / red baneberry

    • large, coarsely toothed, deeply lobed compound leaves
    • clusters of teeny white flowers that look feathery or fluffy (due to stamens)
    • green berries in late summer, maturing to red or white
    • black dot at tip of each berry
    • moist understory or shade

  • Agastache urticifolia / western horsemint

    • short or tall flower heads ranging from pale to deep purple
    • square stems, opposite leaves
    • minty aroma
    • common along trails, especially in sun

  • Allium acuminatum – tapertip onion

    • umbels with 10-40 flowers atop a tall scape
    • 6 magenta (or white) tepals per flower
    • few leaves and all withered prior to flowering
    • dry hillsides, sun-exposed rocky meadows and slope, volcanic areas

  • Amelanchier alnifolia / serviceberry

    • erect shrub (3-18 ft), common in the Valley
    • usually several trunks
    • compact, fragrant white flower clusters
    • star-like flowers
    • smallish, light-green, oval leaves
    • small, edible blue "berries" by July
    • red/orange fall leaf color

  • Anemone multifida / cutleaf windflower

    • usually 5 bi-colored "petals" - esp. pink or white; many stamens
    • leaves deeply cut and re-cut in 3s with rounded or pointed tips
    • stems and lower leaf surfaces usually hairy
    • gone to seed, fruits have a troll-doll look
    • on calcareous ledges, in shallow crevices or rocky outcrops; dry mountain tops or near water

  • Angelica arguta / Lyall’s angelica

    • white to yellow to pink-ish
    • compound umbel with teeny individual flowers
    • many-toothed compound leaves with sheath surrounding petiole
    • leaflets egg-shaped to narrowly oval
    • pungent parsley/celery/anise scent when leaves crushed

  • Antennaria spp. / pussytoes

    • small clusters of white flowers, often fringed with red
    • flowers look like a cat's toes, sort of
    • newest leaves silvery/hairy
    • exposed, in many different habitats

  • Anticlea elegans / mountain death camas

    • cream to greenish-white flowers; overall hexagonal appearance
    • branched flowering stem with multiple flowers not tightly packed
    • 6 tepals (petals + sepals), greenish-yellow nectar glands
    • grass/lily-like leaves
    • blooms in summer (July/August)

  • Apocynum cannabinum / common dogbane

    • herbaceous perennial with red stems and long/narrow leaves
    • leaves have prominent veins
    • leaves and stems exude white latex if broken
    • white, bell-shaped flowers held erect in stalked clusters
    • seedpods long, thin and brownish; in pairs
    • often near streams or in moist places

  • Aquilegia coerulea / Colorado blue columbine

    • blue to white to pink or yellow tinged
    • long spurs (tails) as long as the petals are large
    • blooms late spring and July (stragglers in August)

  • Beteroa incana / hoary alyssum

    • dense clusters of teeny white flowers
    • 4 petals, each with a notch
    • fruit is a short, fat-ish seed pod (silicle)
    • found in pastures and all manner of disturbed habitats
    • toxic to horses

Showing 1–12 of 109 results