riparian

Showing 25–36 of 44 results

  • Oenothera villosa / hairy evening primrose

    • yellow flowers on tall stalks, several flowers in a cluster
    • 4 petals; 8 stamens; large, 4 part stigma
    • hairy - often reddish -  stems; hairy leaves
    • lance-shaped leaves, larger on stem than basal
    • disturbed areas and stream banks

  • Packera pseudaurea / falsegold groundsel

    • yellow, flat-topped cluster of daisy-like flowers
    • oval, erect basal leaves with long petioles and round/blunt-toothed edges
    • generally in moist to wet habitats

  • Parnassia fimbriata / fringed grass of Parnassus

    • ca. 1" flower with obviously fringed, white petals
    • flowers look very "complicated"
    • thick, rounded basal leaves
    • usually in wet places, but also alpine on rocks

  • Persicaria amphibia / water smartweed

    • shocking pink flower clusters
    • oval, leathery leaves
    • either submerged or on stream or pond banks

  • 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

  • Polemonium occidentale / western Jacob’s ladder

    • brilliantly blue flowers with bright yellow anthers, in clusters
    • pinnately compound leaves with up to 27 narrow, lance-shaped leaflets
    • most leaves on separate stems from the flowers
    • usually in wetlands

  • Populus angustifolia / narrow-leaf poplar

    • a riparian tree also planted for landscaping
    • long, narrow leaves with serrated edges
    • furrowed, grey bark on mature trees; smooth and yellow-ish on young trees
    • flowers are small, grey catkins in very early spring
    • fruits are fluffy white cotton in early-mid summer

  • Populus trichocarpa / black cottonwood

    • conical tree
    • heart or arrow-head shaped leaves; pointy tips
    • inflorescences are red or brownish catkins in early spring
    • cotton-y fruits disperse in early summer

  • Potentilla fruticosa / shrubby cinquefoil

    • low, deciduous, shrub; wetlands and riparian zones
    • yellow buttercup-like flowers with 5 leaflets, often in clusters
    • blooms from June until frost
    • pinnately compound leaves, typically with 5 leaflets
    • fruit (achene) remains into winter

  • Ribes hudsonianum / northern black currant

    • moist wooded areas, streambanks
    • erect, spike-like inflorescences with up to 50 white flowers
    • bitter berries, ripening to black
    • leaves and stems covered with resinous glands
    • leaves 3-5 lobed, glandular below
    • smells bad

  • Rumex crispus / curly dock

    • rather large, lance-shaped leaves
    • curly leaf margins, like crisped bacon or "crinkly-wavy"
    • tall flowering stalks with many, many small yellow/green-ish flowers
    • fruits are just like the flowers but deep red
    • widespread and very much a weed

  • Scutellaria galericulata / marsh skullcap

    • riparian zones and wetlands
    • blue, trumpet shaped (legume) flowers; usually in pairs on same side of a stem
    • flowers not at the top of the stems
    • square stems, widely spaced opposite leaves; adjacent pairs at right angles

Showing 25–36 of 44 results