poisonous

Showing 13–24 of 28 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

  • Delphinium x occidentale / tall larkspur

    • white with blue center, long white spur (tail) out the back
    • flowers on tall racemes, up to 6 feet - more than 50 per stalk
    • highly divided/lobed leaves
    • flowers look a lot like garden larkspurs

  • Helenium autumnale / common sneezeweed

    • 2" flower head with nearly spherical central disk; numerous yellow rays
    • found in moist areas in full or partial sun
    • sessile or clasping lance shaped leaves on an angled and winged stem

  • 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.

  • Lupinus spp. / silvery and silky lupins

    • palmately compound, usually silvery-green leaves
    • 5-9 leaflets per leaf; long petioles
    • flowers on long, spikey racemes, blooming from bottom upward
    • numerous flowers, but all rather teeny; most purple or blue
    • flowers are above the leaves
    • seeds in short, hairy pods

  • Phacelia sericea / silky phacelia

    • deep purple flowers with really long stamens and orange anthers
    • many flowers arranged in a tight coil up to 2 feet long
    • silky, divided (fern-like) leaves
    • exposed, higher altitude, rocky places; often with sagebrush

  • Prunus virginiana / western chokecherry

    • oval leaves with serrated margins and abrupt taper at tip
    • reddish twigs with prominent lenticels
    • drooping clumps of white flowers w/ yellow centers in spring
    • red to black cherries in fall, up to ½ inch diameter
    • leaves turn orange or yellow in fall

  • Pteridium aquilinum / common bracken

    • a fern with large, triangular fronds, up to 4 ft tall
    • fronds subdivided into triangular leaflets
    • herbaceous perennial
    • deciduous with annual regrowth first appearing as fiddleheads in spring
    • wide range of habitats, including full sun

  • Ranunculus glaberrimus / sagebrush buttercup

    • one of the earliest spring flowers
    • yellow flowers, ca. 1" across
    • usually 5 shiny/waxy petals, numerous stamens
    • short, mostly elliptical leaves
    • in small to field-sized clumps
    • very poisonous

  • Ranunculus orthorhynchus / straightbeak buttercup

    • 5 (to 8) bright, shiny yellow petals with long pedicels
    • many stamens and pistils
    • large, compound leaves with 3-5 pointy-lobed leaflets
    • found in wet areas including irrigation ditches

  • Sambucus nigra / common elderberry

    • shrub or small tree blooming in late spring
    • leaves opposite
    • pinnately compound with up to 9 leaflets with serrated edges
    • flowers are white, 5-petaled, in flat-topped clusters of clusters
    • "berries" are red or dark blue/black in August; often drooping when mature

  • Senecio integerrimus / tall western groundsel

    • early spring to early summer, often with larkspur
    • bright yellow flower head with several, disheveled looking blossoms
    • only 5-13 ray florets (petals)
    • cobwebby hairy basal leaves, especially when young
    • seasonally moist areas, from sagebrush to higher parts of the fen

Showing 13–24 of 28 results