cones (strobili)

Showing all 8 results

  • Abies lasiocarpa / subalpine fir

    • narrow, tall, sharply tipped trees
    • cones purple and erect; disintegrate in the fall
    • needles flattened, soft and blunt tipped, brushed upward
    • needles sessile - no petioles or pegs
    • leaf (needle) scars round
  • Juniperus scopulorum / Rocky Mountain juniper

    • small, rounded evergreen tree (or shrub)
    • fibrous, red to grey, shredded bark
    • pollen and seed cones at branch tips on separate plants
    • female cones blue berries with a waxy, whitish bloom
    • leaves on mature plants scale-like
    • leaves on young plants are prickly, needle-like
  • 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
  • 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

Showing all 8 results