Compositae

Showing 37–48 of 60 results

  • 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

  • Lactuca pulchella / blue lettuce

    • looks like prickly lettuce, but blue and without prickly stems or leaves
    • clonal from spreading roots

  • Lactuca serriola / prickly lettuce

    • numerous dime-sized yellow flowers in an "airy" panicle
    • buds droop or hang in a "shepherd's hook" before opening
    • seed heads are dandelion-like, but more delicate
    • highly divided, prickly leaves
    • mostly in "waste" areas

  • Leucanthemum vulgare / oxeye daisy

    • bright, white "petals", 2-3" across; yellow centers
    • s/he loves me, s/he loves me not
    • glossy green, spoon-shaped leaves in a 2 foot dome
    • may form large colonies
    • potentially wide spread

  • Madia glomerata / mountain tarweed

    • stems, leaves, flowers - strongly aromatic, like tar
    • sticky glandular hairs cover foliage and floral bracts
    • flowers in clusters with 1 to 3 yellow ray florets
    • disk florets retain visible petals; black stamens

  • Packera cana / woolly groundsel

    • yellow, daisy-like blossoms with 8-13 ray florets ("petals")
    • golden, central disks
    • blossoms in flat-topped clusters of up to 15
    • mostly basal leaves - unlobed, hairy, ovate, up to 2 inches long
    • overall silvery appearance

  • Packera multilobata / lobeleaf groundsel

    • deeply lobed leaves, mostly at the base of the plant
    • bright yellow daisy-like flowers, 10-30 in a cluster per plant
    • orange-yellow disk florets
    • woodlands, foothills, and generally dry/ sandy/ rocky places.

  • 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

  • Packera streptanthifolia / Rocky Mountain groundsel

    • yellow-flowered composite; "flowers" on branched inflorescence
    • 8-13 half-inch ray florets, usually spaced apart
    • thick, spatula-shaped basal leaves without teeth or clefts
    • thin, often deeply lobed stem leaves
    • dry woodlands and rocky places

  • 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

  • Senecio integerrimus / tall western groundsel

    • early spring to early summer, often with larkspur
    • bright yellow flower head with several, disheveled looking blossoms
    • only 5-13 ray florets (petals)
    • cobwebby hairy basal leaves, especially when young
    • seasonally moist areas, from sagebrush to higher parts of the fen

  • 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 37–48 of 60 results