disturbed

Showing 49–60 of 75 results

  • Oxytropis sericea / white-point vetch

    • white "pea" flowers in clusters of up to 25
    • banner petal white with purple/blue veins
    • hairy, pinnately compound leaves, all basal
    • disturbed areas, especially exposed to cold, drought, high light etc.
    • pretty, but toxic to grazing animals

  • Penstemon palmeri / Palmer’s penstemon

    • very tall, exposed
    • pink flowers with rose/grape scent
    • flowers clumped on one side of stem in groups of 4-5
    • red "guidelines" (bloody fangs) on lower petals
    • stem leaves opposite, clasping, like little boats

  • Phacelia hastata / silverleaf scorpionweed

    • flowers - dull white-ish/purple-ish, numerous in short, compact, coiled clusters
    • stamens extend well past petals
    • leaves - basal with prominent veins; usually covered with silvery hairs; usually entire
    • multiple flowering stems on a single plant
    • in a variety of habitats

  • Phalaris arundinacea / reed canarygrass

    • large, coarse, erect grass
    • long, flat blades with pointy tips...  from base
    • distinct ligule—membranous and long
    • large but compact inflorescences (panicles)
    • often in dense monocultures, e.g. on river banks

  • Plantago major / broadleaf plantain

  • Poa bulbosa / bulbous meadow-grass

    • short, tuft-forming grass
    • funny-looking flower stalks... having bulblets instead of florets
    • doesn't produce pollen or seeds

  • Polygonum aviculare / prostrate knotweed

    • long, prostrate stems around a central point
    • copious red-edged white flowers
    • small green leaves
    • along roadsides, parking lots and wherever trampling occurs
    • an ugly weed you'll see on most of your walks around town

  • Potentilla norvegica / rough cinquefoil

    • 5 yellow petals, not fused
    • 5 sepals longer than petals, esp. after flowering
    • numerous stamens and pistils
    • compound leaves with leaflets grouped in 3s
    • prominent veins; toothed margins
    • hairy stems
    • mostly in disturbed areas, including gardens

  • Prunella vulgaris / self-heal

    • compact spike of tiny purple, mint-like flowers
    • upper/lower lips purple and white respectively
    • square stems, opposite leaves

  • 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

  • Rhamphospermum arvense / Charlock

    • yellow-flowered brassica; flowers larger than most mustards
    • large-ish leaves with toothed margins
    • erect stems; look for a reddish purple ring at stem junctions
    • disturbed areas, road sides and waste places; prefers high nutrients
    • 1" siliques point out or up, but not down

  • Rumex acetosella / sheep sorrel

    • long, vertical inflorescences... not compact or well "organized"
    • female plants with red/maroon flowers; males with green/white flowers
    • especially visible when seeds are ripe... red
    • basal rosette of arrowhead shaped leaves
    • disturbed areas, wastelands, poor sites

Showing 49–60 of 75 results