Plants in the Valley

Showing 217–228 of 327 results

  • Penstemon rydbergii / Rydberg’s penstemon

    • small, blue/purple tubular flowers in leafy whorls
    • flowers lack glands or hairs
    • basal rosette of bright green, spoon-shaped leaves without glands or hairs
    • stem leaves are lanceolate, around flower clusters
    • wetter areas, but also along Victor/Driggs bike path

  • Penstemon whippleanus / dusky beardtongue

    • large-ish purple or creamy-white tubular flowers
    • from the side, flowers look like a gaping mouth; 2 lobes above, 3 below
    • flowers typically hang down in small clusters at the top of their stems
    • opposite, sessile leaves on flowering stems
    • subalpine on rocky areas, as at Darby wind cave

  • Perideridia montana / Gairdner’s yampah

    • white, compound umbel (like all the rest of the family)
    • apparently leafless much of the time, especially when blooming

  • Persicaria amphibia / water smartweed

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

  • 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

  • Phacelia heterophylla / varied leaf scorpionweed

    • spirally arranged, teeny white flowers with very long stamens
    • flowers turn brown soon after opening
    • all parts of the plant are hairy
    • not all that common, but widespread

  • 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

  • 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

  • Phleum pratense / timothy

    • tight, cylindrical flower head
    • probably the most recognizable grass in the Valley
    • pink stamens with prodigious pollen production in summer
    • bulb at base of stem; brown leaf sheath bases

  • Phlox diffusa / spreading phlox

    • low, spreading, moss-like (before blooming)
    • flowers 5-petaled, a variety of colors, and with a tube below the petals
    • many habitat types incl. mountain slopes, rocky terrain, dry forests or with sagebrush
    • blooms in early spring to early summer
    • confusable with P. hoodii

  • Phlox hoodii / spiny phlox

    • half-inch, five (or four) petaled flower with yellow center
    • low to ground, mat forming, moss-like
    • tightly packed, narrow, spiny leaves
    • blooms in very early spring, just after snowmelt
    • with sagebrush on dry, rocky soils

  • Phlox longifolia / longleaf phlox

    • white or pink to almost rose flowers
    • blooms in spring, sometimes through to August
    • common on disturbed and undisturbed sites

Showing 217–228 of 327 results