drought tolerant

Showing 85–96 of 110 results

  • Physaria spp / twinpods

    • yet another very small yellow crucifer/brassica
    • densely hairy leaves, tapering to a petiole
    • bloom in early spring on minimal soil in rocky places
    • fruit characteristics TBPL

  • Picea engelmannii / Engelmann spruce

    • common, especially in mixed conifer forests
    • canopy a narrow spire in young trees, cylindrical in older trees
    • sharp, pointy needles, generally "swept" toward branch tips
    • needles attached to twigs with woody pegs (sterigmata)
    • pendant cones less than 2.5 inches long; thin scales, wavy margins

  • Picea pungens / Colorado blue spruce

    • conical, layered crown; whorled branches
    • frequent epicormic branches; "woolly" look
    • stout, yellow-brown twigs with sterigmata (woody pegs)
    • cones greater than 2.5" long
    • cone scales stiff at base, diamond shaped, not wavy at tips
    • in mixed conifer forests

  • Pinus albicaulis / whitebark pine

    • high altitude - subalpine to alpine; cold, windy sites
    • five needles in tight fasicles
    • brown to purple cones at top of tree; cones don't open
    • scaly grayish bark

  • Pinus contorta / lodgepole pine

    • evergreen conifer
    • needles in groups (fascicles) of 2
    • lopsided cones, (mostly) remain on tree when mature
    • rounded crown; orangey-brown scaly bark

  • Pinus flexilis / limber pine

    • high elevation, rocky or talus, dry, high-stress habitat
    • often - stunted and deformed by wind
    • highly flexible branches
    • needles in bundles (fascicles) of 5
    • often - semi-rotted cones on ground below

  • Plantago major / broadleaf plantain

  • Polygonum aviculare / prostrate knotweed

    • long, prostrate stems around a central point
    • copious red-edged white flowers
    • small green leaves
    • along roadsides, parking lots and wherever trampling occurs
    • an ugly weed you'll see on most of your walks around town

  • Potentilla gracilis / slender cinquefoil

    • yellow, 5-petaled flowers with many stamens
    • petals touch or overlap
    • leaves with 5-9 toothed, deeply cut lobes
    • leaves may be hairy, especially below
    • many different exposed habitats

  • Pseudotsuga menziesii / Douglas fir

    • persistent cones with distinctive 3-pronged, "mouse tail", bracts
    • semi-pointy, but not stiff or sharp, single needles
    • needles attached to twigs by petioles (no pegs)
    • oval leaf scars
    • twig buds are pointy, "lustrous" brown

  • Purshia tridentata / antelope bitterbrush

    • small yellow, 5-petal flowers in early spring
    • small shrub, often in large "clumps"
    • leaves look like sagebrush (Artemesia tridentata)

  • Ribes aureum / golden current

    • shrub up to 10 feet tall
    • spring bloomer, golden yellow flower in clusters
    • small, maple-like leaves
    • 1/2 inch berries in late summer, golden to black

Showing 85–96 of 110 results