TREE AND SHRUB SPECIES LIST FOR PINGREE PARK REGION TREES SHRUBS Abies 1asiocarpa Acer glabrum Alnus tenuifolia Amelanchier alnifolia Betula occidentalis Arctostaphylos uva-ursi Juniperus scopulorum Artemisia frigida Picea engelmannii Artemisia tridentata Picea pungens Betula glandulosa Pinus contorta Ceanothus velutinus Pinus flexilis Cercocarpus montanus Pinus ponderosa Chrysothamnus spp. Populus angustifolia Clematisspp. Populus tremuloides Cornus stolonifera Prunus virginiana Jamesia americana Pseudotsuga menziesii Juniperus communis Lonicera involucrata Mahonia repens **Friendly reminder: Physocarpus monogynus on tests make sure you Potentilla fruticosa write Latin names as such: Purshia tridentata Rhus trilobata Abies lasiocarpa Ribes cereum Ribes inerme a lot of points are lost to Rosa spp. improper format and Rubus deliciosus misspelling... Rubus strigosus Salix spp. Shepherdia canadensis Symphoricarpos albus Vaccinium spp. 1-1 1-2 CHARACTERISTICS OF TREES & SHRUBS COMMON TO PINGREE PARK AREA __ TREES 1. Abies lasiocarpa - subalpine fir (PINACEAE) - Needle single, flat in cross-section - Twigs not roughened with sterigmata - Cones erect - Needle same width where it attaches to stem as in the middle - Needles attach like suction cups (circular leaf scar) 2. Alnus tenuifolia - alder (BETULACEAE) - Strobili with persistent woody bracts - Leaves strongly doubly serrate - Smooth stems and bark 3. Betula occidentalis - water birch (BETULACEAE) - Leaves irregularly serrate - Rough twigs and bark - Riparian 4. Juniperus scopulorum - Rocky Mountain juniper (CUPRESSACEAE) - Needles scale-like, appressed, opposite, four ranked - Small tree - Berry-like cone 5. Picea engelmannii - Engelmann spruce (PINACEAE) - Needle single, 4 angled in cross section, not sharp to touch. - Sterigmata present - Old bark cinnamon-orange, thin and scaly - Cones less than 6 cm long - Twigs with "peach fuzz" (hairy) 6. Picea pungens - blue spruce (PINACEAE) - Needles 4 angled in cross section, sharp to touch - Sterigmata present - Old bark grayish, longitudinal ridges - Cones greater than 6 cm long - Twigs glabrous 7. Pinus contorta - lodgepole pine (PINACEAE) - Needles 3-7 cm, in fascicles of 2 - Old bark thin and scaly - Some closed cones (serotinous), persistent in tree - Small cones 8. Pinus flexilis - limber pine (PINACEAE) - Needles in fascicles of 5 - Stems very limber - Needles clustered at tip - Cones resinous with thick scales 1-3 9. Pinus ponderosa - ponderosa pine (PINACEAE) - Needles usually longer than 7 cm, in fascicles of 2 or 3 - Old bark thick with deep furrows, smells like cream soda - Cones open, falling from tree, armed with a sharp prickle 10. Populus angustifolia - narrowleaf cottonwood (SALICACEAE) - Leaves lanceolate - Buds terminal with overlapping scales - Catkins drooping 11. Populus tremuloides - quaking aspen (SALICACEAE) - Petiole flattened perpendicular to the plane of the leaf - Leaves nearly circular - Buds with overlapping scales - Catkins drooping 12. Prunus virginiana - chokecherry (ROSACEAE) - Simple leaves, serrate margins with teeth pointing toward the tip of the leaf - Two glands at base of petiole 13. Pseudotsuga menziesii - Douglas-fir (PINACEAE) - Needles with a petiole-like constriction at base - Cones with large, three-pointed, exerted bract - Buds dark reddish brown, pointed SHRUBS 14. Acer glabrum - mountain maple (ACERACEAE) - Opposite, simple, leaves tridentate, palmately lobed and veined - Fruit a winged sumara - Twigs red 15. Amelanchier alnifolia - serviceberry (ROSACEAE) - Leaves simple, alternate, blunt at tip with few serrations - Base of leaf rounded with no serrations 16. Arctostaphylos uva-ursi - bearberry, kinnikinnick (ERICACEAE) - Simple leaves - Low, trailing plant - Fruit a berry - Evergreen 17. Artemisia frigida - fringed sagebrush (COMPOSITAE) - Fine, soft leaves deeply lobed with each lobe repeatedly dissected. - Smells like sagebrush - Grayish-green color - Half shrub - Increaser species 1-4 18. Artemisia tridentata - big sagebrush (ASTERACEAE) - Leaves simple, tridentate and fuzzy - Sage odor - Silvery 19. Betula glandulosa - bog birch (BETULACEAE) - Leaves almost round, dime-sized - Leaves crenate-serrate - Rough bark 20. Ceanothus velutinus - buckbrush (RHAMNACEAE) - Leaves simple - Leaves evergreen, waxy - Leaves with 3 very prominent veins 21. Cercocarpus montanus - mountain mahogany (ROSACEAE) - Simple, alternate leaves, serrate at the tip - Plumose tailed achene type fruit - Base of leaf wedge-shaped with no serrations 22. Chrysothamnus spp. - rabbitbrush (ASTERACEAE) - Leaves simple, narrowly linear - Racemes of small yellow flowers 23. Clematis spp. - virgin's bower, old mans beard (RANUNCULACEAE) - Pinnately compound opposite leaves - Trailing or climbing vines 24. Cornus stolonifera - dogwood (CORNACEAE) - Leaves opposite, simple - Old stems red - Flowers in terminal clusters - Strong arcuate venation 25. Dryas octopetala – mountain dryad (ROSACEA) - Leaves alternate, simple - Flowers solitary on naked peduncle - Leaf margins strongly wavy and curled down toward the underside of the leaf - Petals white, eight - Alpine plant 26. Jamesia americana - cliffbush, waxflower (HYDRANGEACEAE) - Opposite, simple leaves, tomentose below (velvety leaves) - Small shrub with peeling bark - Terminal flowers clusters 1-5 27. Juniperus communis - common juniper (CUPRESSACEAE) - Needles awl-shaped, in whorls of three, sharp - White lines on underside of leaves - Low shrub - Berry-like cone 28. Lonicera involucrata - bush honeysuckle (CAPRIFOLIACEAE) - Opposite, simple leaves with ciliate margins - Fruits paired - Flowers yellow - Weak arcuate venation - Stems square and hairy 29. Mahonia repens - Oregon grape (BERBERIDACEAE) - Evergreen - Pinnately compound leaves, 3-7 leaflets, spiny margins on leaves - Looks like holly 30. Physocarpus monogynus - ninebark (ROSACEAE) - Leaves simple, alternate - Flowers small, in terminal clusters, white - Fruit not a berry - Bark very shreddy, striated - Leaves palmately lobed and veined - Long terminal lobe 31. Potentilla fruticosa - shrubby cinquefoil (ROSACEAE) - Leaves compound, 5-7 leaflets, margin entire - Flowers yellow - Shreddy bark - More recent authors refer to this species as Pentaphylloides floribunda 32. Purshia tridentata - bitterbrush (ROSACEAE) - Simple leaves, alternate - Tridentate leaf tips - Crusted leaves smell like "dirty socks" 33. Rhus trilobata - skunkbush (ANACARDIACEAE) - Trifoliate leaves, each leaflet three lobed - Fruit red - Low shrub - Strong odor when crushed 34. Ribes cereum - wax current (ROSACEAE) - Leaves simple, alternate - Small shrub, no prickles - Leaves with pleasant odor - Palmately lobed and veined leaves - Tubular, pink, pendant flowers - Fruit a berry 1-6 35. Ribes inerme - wild gooseberry (ROSACEAE) - Stems with prickles - Leaves simple, alternate - Flowers in clusters of 2-3, pendant - Leaves palmately lobed and veined - Fruit a berry 36. Rosa spp. - rose (ROSACEAE) - Stems with prickles - Pinnately compound leaves, leaflets 3-7, terminal one about same as lateral, serrate - Stipules conspicuous, adnate to petiole 37. Rubus deliciosus - false raspberry (ROSACEAE) - Stems without prickles, bark shreds in a single layer - Leaves simple, alternate, palmately lobed - Flowers white, single, large - Fruit a berry - Leaves soft and “spongy” 38. Rubus strigosus - wild red raspberry (ROSACEAE) - Stems with prickles - Pinnately compound leaves, leaflets 3 (5-7), terminal one larger than others - Adnate stipules like rabbit ears 39. Salix spp. - willow (SALICACEAE) - Buds with single cap-like scale, lateral - Catkins erect - Usually riparian 40. Shepherdia canadensis - buffalo-berry (ELAEAGNACEAE) - Opposite simple leaves - Rusty scales on the underside of leaves - Fruit a red berry 41. Symphoricarpos albus - snowberry (CAPRIFOLIACEAE) - Opposite, simple leaves - Small, soft leaves - Flowers white 42. Vaccinium spp. (ERICACEAE ) - Low shrub with green leaves and stems - Simple leaves - Deciduous - Blueberry - Restricted, for the most part, to Spruce-Fir community 1-7.