Yellow

Showing 85–96 of 96 results

  • Taraxacum officinale / dandelion

    • rosette growth habit with lobed leaves
    • yellow dandelion-like flowers - composites with only ray florets
    • only one flower head per stem
    • characteristic puff-ball seedheads
    • found anywhere and anytime

  • Taraxia tanacetifolia / tansyleaf evening primrose

    • single, sessile, bright yellow, cup shaped flowers; 4 petals
    • grows as a rosette, flat to the ground
    • leaves are up to 12 inches long; very deeply lobed
    • still blooming in mid-October; starts in mid summer
    • grows on sandy/gravelly soil, e.g. drying lake beds

  • Tetradymia canescens / spineless horsebrush

    • shrub - up to 3 feet tall and across; round
    • small, yellow composite flowers in clusters of 4 to 8
    • dandelion-like seeds often present with flowers
    • primary leaves short and linear; long-lived
    • secondary leaves in axils of primaries are short-lived
    • primary leaves are not spines

  • Toxicoscordion venenosum / meadow death camas

    • cream to greenish-white flowers - somewhat triangular overall
    • branched flowering stem with multiple flowers in a compact pyramidal head
    • 6 tepals (petals + sepals), greenish-yellow nectar glands
    • grass/lily-like leaves
    • blooms early in the season

  • Tragopogon spp. / salsify

    • large yellow inflorescence with pointy sepals extending past the "flower"
    • grass-like leaves
    • non-native, weed
    • widespread

  • Typha latifolia / cattail

    • tall, grass-like with thick, long, flat leaves
    • in wet areas, especially streams and stream banks
    • inflorescence club-like spike; yellow (male) above, green (female) below
    • seed head dark brown club, with bare spike above
    • fruits (seeds) white & fluffy, released in late summer, autumn, winter

  • Utricularia macrorhiza / common bladderwort

    • free-floating aquatic perennial; only the flowers are above water
    • yellow, snap-dragon-like flowers; up to 20 per stalk; ca. 1" across
    • very fine "leaves" underwater, supported by small (1/8") bladders
    • carnivorous and/or symbiotic - bladders capture/digest v. small animals, harbor symbionts

  • Verbascum thapsus / mullein

    • rosette of large, soft, hairy leaves
    • small yellow flowers densely packed on a very tall spike
    • persistent ugly brown spike after flowering is done
    • often on otherwise bare ground

  • Viola praemorsa / upland yellow violet

    • yellow, 5-petals with purple "pencilling" on lower petals
    • back sides up upper petals brown-ish
    • leaves relatively thick, likely with many short hairs
    • on dry, rocky soils, often with sagebrush or steep slopes
    • soon after snowmelt; follows the snow up the mountains

  • Viola vallicola / sagebrush violet

    • early, bright yellow violet, usually in sagebrush
    • lanceolate leaves with long petioles
    • moderate purplish "pencilling" on lower petal; 1-2 lines on side petals
    • back sides of petals usually yellow (not brown)

  • Wyethia amplexicaulis / yellow mules ear

    • blooms in late June, July
    • large yellow sunflower-like central flower, smaller additional flowers
    • long, shiny, not-hairy leaves - like green mule's ears
    • strongly aromatic
    • may cover acres, almost as a monoculture
    • crunchy in the fall

  • Zizia aptera / golden Alexanders

    • yellow, compound umbel infloresecence
    • basal leaves are heart-shaped
    • blooms in early to late spring

Showing 85–96 of 96 results