Yellow

Showing 73–84 of 96 results

  • 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

  • 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 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

  • Shepherdia canadensis / Canadian buffaloberry

    • deciduous shrub, opposite branches and leaves; understory
    • trichomes (hairs) on lower, often upper surfaces.
    • lower surface has rust-colored scales
    • teeny yellowish flowers before leaves appear; male and female on separate plants
    • red or orange, oval fruits with one stony seed; soapy when crushed

  • Sisymbrium altissimum / tumble mustard

    • inflorescence a raceme with yellow, teeny flowers
    • long, thin seed pods (siliques)
    • blooms throughout the spring and summer
    • shoots look like a bunch of sticks glued together
    • dries and breaks off, then tumbles

  • 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

  • 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

  • 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 73–84 of 96 results