late summer

Showing 97–108 of 128 results

  • Ranunculus aquatilis / common water crowfoot

    • found in slowly flowing water ways, ditches, ponds
    • white, waxy flowers with yellow centers; 4 or 5 petals
    • flowers raised a couple inches above the water surface
    • usually grows in dense mats that look a lot like slime

  • 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

  • Rudbeckia occidentals / western coneflower

    • dark cone-shaped flower head - like a sunflower without petals
    • ring of yellow "bumps" visible during pollination time
    • "cones" about 1" but double that when in seed.
    • usually a tall plant with sunflower-like leaves
    • alternate (not opposite) leaves

  • 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

  • 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

  • Sabulina nuttallii / Nuttall’s sandwort

    • small, glandular-pubescent perennial
    • trailing stems form mats
    • thin, rigid, needle-like leaves, about ½" long
    • small, white, 5-petaled flowers in terminal clusters
    • 5 green, pointy sepals
    • sagebrush hills to alpine slopes, and especially on gravelly benches or talus

  • Salix glauca / grayleaf willow

    • very low-growing shrub at high altitude (alpine/subalpine)
    • rounded to lance-shaped leaves; smooth below
    • large-ish catkin inflorescences

  • 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

  • Scrophularia lanceolate / lanceleaf figwort

    • teeny, snapdragon-like flowers
    • flowers urn-shaped with yellow with red or green on the outside
    • flowers look like they aren't yet opened
    • flowers on elongated panicle at the top of a tall-ish plant
    • opposite leaves like stinging nettle without the stingers
    • up to 5 feet tall in full sun/partial shade

  • 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

  • Sedum lanceolatum / lanceleaf stonecrop

    • bright yellow, star-shaped flowers (possible red tinge)
    • fleshy/succulent, small leaves (green, yellow or red)
    • open rocky outcrops, gravelly sites
    • drought tolerant

  • Senecio triangularis / arrowleaf ragwort

    • leafy stems with arrow-shaped, coarse-toothed leaves
    • often in large patches on moist soil
    • clusters of yellow flower heads, each with 8-ish untidy ray florets
    • numerous green involucral bracts, sometimes with black tips
    • largest leaves occur mid-stem

Showing 97–108 of 128 results