Plants in the Valley

Showing 289–300 of 335 results

  • Solidago canadensis / goldenrod

    • large sprays of yellow flowers in late summer and fall
    • often tall and in large colonies
    • lance-shaped, toothed leaves
    • mostly (but not always) in disturbed areas

  • Solidago missouriensis / Missouri goldenrod

    • perennial herb, up to 40" tall
    • inflorescence is a branching panicle with many (≥200) yellow flower heads
    • involucres are ¼ long with 3 or 4 layers of narrow, pointed, hairless, yellow-green bracts
    • leaves are thin and lanceolate, upright and rigid with prominent midribs
    • upper leaves have pronounced but small teeth

  • Solidago multiradiata / alpine goldenrod

    • the only (?) goldenrod at alpine altitudes
    • clusters of 5-100 small, yellow composite flowers with a dozen-ish rays and 3 doz disc florets
    • medium green lance/spoon shaped leaves, bigger at base of the plants; toothed/hairy edges

  • Sonchus arvensis / field sowthistle

    • yellow dandelion-like
    • multiple flowers per stalk
    • often in patches in wet fields
    • leaves spiney but without lobes, clasping the stems
    • often several stems from a single point at the soil level

  • Sorbus scopulina / western mountain ash

    • moderate sized shrub with pinnately compound leaves
    • 9-13 leaflets per leaf (usually)
    • teeny white flowers in large rounded clusters
    • yellow berries in August become bright red in September
    • rocky hillsides, creek sides, open woods

  • Spiraea betulifolia / white spiraea

    • short (1-3 feet), dominant shrub in forest understory
    • rounded leaves with toothed outer margins
    • teeny flowers in flat-topped clusters up to 5" across
    • flowers are white with 5 petals and many stamens

  • Spyrogira spp./ green slime

    • unbranched, filamentous green alga
    • usually as slimy patches or long "tresses"
    • anchors to pondweed by entanglement
    • prefers the more nutrient rich waters drained from pastures

  • Stenotus acaulis / stemless goldenweed

    • very short, mat forming perennial yellow "daisy"
    • thin, lance-shaped leaves, pointing upward
    • yellow flower head with 6-15 ray florets, up to 50 disk florets
    • in dry, rocky, open-scrub habitats

  • Streptopus amplexifolius / white twisted-stalk

    • creeping herb
    • oval, clasping leaves; parallel veins; sharp tip
    • pronounced stem "kink" at each node gives twisted look
    • drooping, cream-colored flowers, 6 recurved tepals, borne singly
    • single, elongated red berries in fall
    • found in moist undergrowth

  • Stuckenia pectinata / sago pondweed

    • submerged aquatic - dominant in its habitat
    • grass-like (but not a grass); waves in the current
    • branched with ~5" pointed leaves

  • Symphiocarpos oreophilus / mountain snowberry

    • small pink (or white) bell or funnel shaped flowers, singly or in pairs
    • shrub - upright or spreading
    • most visible in late summer when the white "berries" ripen
    • in the open or in canopy gaps; along the sides Forest Service roads

  • Tanacetum vulgare / tansy

    • yellow, somewhat flattened, button-like flowers
    • pretty clearly in the aster family
    • camphor-ish smell
    • finely divided, fern-like compound leaves

Showing 289–300 of 335 results