Plants in the Valley

Showing 145–156 of 335 results

  • Helenium autumnale / common sneezeweed

    • 2" flower head with nearly spherical central disk; numerous yellow rays
    • found in moist areas in full or partial sun
    • sessile or clasping lance shaped leaves on an angled and winged stem

  • Helianthella uniflora / little sunflower

    • short (for a sunflower)
    • a single yellow, sun flower at the top of a hairy stem
    • flowers are only 2-3 inches across
    • leaves generally opposite with 3 prominent veins
    • exposed on hillsides; shallow, but well-drained soil

  • Helianthus annuus / sunflower

    • tall with big, drooping leaves (up to 15x15 inches)
    • large sunflower like flowers - yellow petals, darker disk
    • disturbed edges and waste areas, roadsides, near crops

  • Heliomeris multiflora / showy goldeneye

    • a "Doggone" Yellow Composite (DYC) with 5-14 ray florets; golden dome of disc florets
    • multi-stemmed perennial forms clumps
    • often seen in profusion (but not always)
    • long, thin, lanceolate to linear leaves; maybe with a few small teeth along the edges
    • leaves have a strong midrib vein and distinct side veins

  • Heracleum maximum / cow parsnip

    • very tall - stands above most other herbs and forbs
    • huge leaves with clasping sheaths at the stem junction
    • leaves lobed and like a very large maple
    • huge flat umbels with white flowers
    • grooved, woolly, stout stem

  • Hesperis matronalis / dame’s rocket

    • biennial, 3+ feet tall in second year
    • 4-petaled flowers, especially purple or lavender
    • large inflorescences with many flowers
    • garden escapee
    • roadsides, waste places

  • Hesperostipa comata / needle and thread

    • widely spaced bunchgrass
    • glossy leaves, smooth stem
    • narrow inflorescence with long awns (hairs)
    • sharp, needle-like seed retaining the awn
    • drought tolerant

  • Heterotheca villosa / hairy goldenaster

    • yellow composite with 10-20 ray florets, orange-brown disk
    • hairy leaves and stems
    • blooms throughout season, often densely
    • disturbed and challenging habitats

  • Heuchera parvifolia / littleleaf alumroot

    • subalpine, alpine... on rocks
    • clusters of round or kidney-shaped leaves
    • leaves lobed, all basal (no stem leaves)
    • inflorescences tower over leaves
    • clumps of teeny, yellow flowers along a spike-like flowering stalk

  • Hieracium albiflorum / white hawkweed

    • white, dandelion-like flower; up to 50 per plant
    • 6-25 florets
    • square-end petals each with 4 small notches
    • hairy stems and basal leaves
    • shady openings in dry forests

  • Hieracium aurantiaca / orange hawkweed

    • orange dandelion-like flower
    • petals square ended with small notches
    • hairy leaves, stems and involucres
    • found in many habitats, sometimes in excess

  • Hieracium scouleri / western hawkweed

    • dandelion-like yellow flower heads
    • square-ended petals; long stamens with split ends
    • central yellow "button"
    • hairy all over, especially on leaves and lower stem
    • blooms all summer

Showing 145–156 of 335 results