annual

Showing 13–24 of 36 results

  • Cynoglossum officinale / houndstongue

    • reddish-purple flowers in upper leaf axils
    • forms basal rosette with hairy leaves in first year
    • stem leaves lance shaped, hairy, rough
    • fruit - small nutlets with barbs or hooks

  • Descurainia pinnata / western tansy mustard

    • another stupid yellow crucifer
    • erect stem, up to 30 inches
    • deeply lobed leaves, without petioles up-stem
    • often near or under sagebrush, otherwise dry, disturbed and crappy soils

  • Dianthus armeria / Deptford pink

    • PINK! 5 petaled, very small flowers
    • Toothed edges; white spots on petals, numerous stamens
    • Linear, opposite leaves; bases make sheath around stem
    • Disturbed areas; happy enough in the worst of soils

  • Draba nemorosa / yellow whitlow-grass

    • teeny, often silvery plant with teeny yellow 4-petal flowers
    • rosette leaves have trichomes even when not really silvery
    • annual ephemeral seen soon after snowmelt
    • usually exposed near or on rocks, dry slopes
    • flat, elliptical seed capsules

  • Eremogene kingii / King’s sandwort

    • low-growing herb with long, thin basal leaf clusters
    • white, 5-petaled flowers, ca. 1/2 in across, in terminal clusters
    • 10 stamens, sometimes dark, sometimes white
    • at higher elevations on shallow soil

  • Eriogonom spp. / wild buckwheat

    • short, with small leaves close to the ground
    • leaves persistent in winter, green and red
    • blossoms - cute little buttons that look like dried flowers; long-lasting
    • inflorescence - umbel or compound umbel
    • may be white, cream, yellow, pink, red; changeable with age

  • Erysimum cheiranthoides / wormseed wallflower

    • yellow, 4-petaled flower, less than 1/3 inch across
    • lance shaped or elliptical, sessile leaves varying little in size or shape
    • leaf margins entire or coarsely toothed
    • ribbed stems
    • ascending or erect siliques with short pedicels
    • disturbed and waste areas

  • 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

  • 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.

  • 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

  • Linum lewisii / wild blue flax

    • intense blue, 5-petaled flowers
    • red-ish or darker blue veins in petals
    • buds, flowers and developing fruit present at same time
    • narrow, sessile, 1 inch (ish) leaves
    • especially on roadsides and in meadows in the Valley

  • 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

Showing 13–24 of 36 results