Yellow

Showing 37–48 of 96 results

  • 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

  • Huechera cylindrica / coral bells

    • oval-shaped leaves growing in clumps/tufts - all basal
    • leaf edges with small lobes or teeth
    • teeny pale yellow, creamy, green or pink flowers on a leafless stem
    • flowers more dense at top of spike than lower down
    • in woods, on cliff-side ledges, rocky slopes and subalpine meadows

  • Hyocyamus niger / black henbane

    • highly toxic! including contact dermatitis
    • 5-lobed, funnel-shaped flowers, brownish yellow with purple veins and center; 1.5" across
    • flowers in summer, e.g. warm June, July
    • elliptical leaves, pointy tips, toothed or lobed margins, prominent veins
    • highly disturbed areas: wastelands, field edges etc.

  • Ivesia gordonii / Gordon’s mousetail

    • subalpine to alpine
    • low, on shallow, rocky soils
    • individual stalks are leaves with ~20 overlapping lobes
    • clusters of teeny yellow flowers on naked stems

  • 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

  • Linaria vulgaris / yellow toadflax

    • fine, threadlike leaves, plants up to 3 feet tall
    • flowers similar to snapdragon, pale yellow with orange lower lip, long spur
    • flowers in tight terminal clusters
    • plants typically in patches
    • "noxious" weed in Idaho

  • Lithospermum ruderale / Columbia puccoon

    • small, pale yellow flowers in early spring
    • flowers in dense clusters, nestled among the leaves
    • 1–3 in. long, linear leaves, notably crowded on upper part of stems
    • in dry areas, especially with sagebrush

  • Lomatium dissectum / fernleaf biscuitroot

    • blooms soon after snowmelt
    • yellow or purple-ish flowers in compound umbels
    • highly divided, fern-like leaves
    • rocks, rocky soils, sagebrush communities

  • Lomatium triternatum / nineleaf biscuitroot

    • flowers soon after snowmelt
    • yellow compound umbel on leafless stem
    • leaves are three-fold compound; leaflets grass-like
    • may be tall with wide umbels on good soil
    • may be very short with small umbels on rocky, sandy, low nutrient soil

  • Lonicera involucrata / twinberry honeysuckle

    • flowers - inconspicuous, paired, yellow, bell-shaped with green bracts
    • leaves - opposite, oval, often hairy beneath
    • fruit - a pair of blue-black/purple berries with red, winglike bracts
    • multi-stemmed shrub - to 15 feet tall

  • Lonicera utahensis / Utah honeysuckle

    • flowers - white or cream, in pairs, bell-shaped, nodding
    • fruit - bright red berries in pairs, fused at the base
    • no noticeable bracts on either flowers or berries
    • short-ish shrub, multi-stemmed
    • understory, especially in moist forests

Showing 37–48 of 96 results