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Home , Acer mandshuricum, Pinus edulis

Urban Forestry NR/FF/023 USU Campus Identification Tour Michael Kuhns, Forestry Extension Specialist, and Rose Long, Forestry Extension Assistant

This is a tour of selected tree species present on the State University campus. Notes about particular species also are included. Green markers indicate and yellow indicate angiosperms. Visit forestry.usu.edu or treebrowser.org for more tree information. Compiled spring 2012 by Dr. Michael Kuhns, Professor and Extension Forestry Specialist, Utah State University. South Campus

1 – (Pistachio vera). Fleshy compound 4 – Pinyon (Pinus edulis). Pinyon with with good orange-red fall color. 2 short needles per bundle. Woody cones with large Anacardiaceae ( and sumac) family. Usually without wings. Utah native. grafted but these likely are not. Said to be good for zone 8-11, but are in zone 5 here. Dioecious. 5 – Japanese Zelkova (Zelkova serrata). Horizontal lenticels on bark. Fruit a small . Red fall color. 2 – Black Probably ‘Green Vase’ cultivar. Ulmaceae. Locust (Robinia pseudoacacia). 6 – Limber (Pinus Pinnately flexilis‘Vanderwolf’s compound Pyramid’). Utah native. leaves with Flexible branches. 5 needles rounded leaflets. per fascicle. Cultivar is an White fragrant upright pyramid. Black locust fruit, flowers in bunches that 7 – Lacebark Pine (Pinus hang down (racemes). Fruit a small pod (legume). bungeana). Somewhat Stipular spines. Interlacing bark. Super tough, but resembles Scots pine. gets locust borers. Variegated bark. Planted in Lacebark pine with 1996. variegated bark 3 – Mahaleb Cherry (Prunus mahaleb). A small shrubby tree with small white flowers and small, 8 – Black (Acer nigrum). Very similar to almost black fruit (cherries). Small leaves, curved sugar maple, but more heat and drought tolerant; along midrib. Used as a rootstock for grafted sweet some think they are the same species. Yellow fall and sour cherry , which is probably how it got color. Uncommon in Utah. Group of three young to Utah. Now naturalized in Logan and probably trees. elsewhere.

2 Quad

9 – Silver Linden (Tilia tomentosa). Similar to 55 – Saucer Magnolia (Magnolia x soulangiana). littleleaf linden but leaves somewhat larger with Large, , entire leaves. Large (5-10”) white, undersides densely covered with fine white hairs. On pink, or purple flowers. Hybrid of M. quinquepeta Utah Big Tree list. (5) and M. heptapeta (7). Hairy buds, stipular scars, and smooth gray bark like all magnolias. Gets to be 11 – Sugar Maple (Acer saccharum). Has rounded fairly large. On Utah Big Tree list. teeth on leaves rather than jagged teeth. Bark is distinctive; ridged. Similar appearance to bigtooth 56 – Katsuratree (Cercidiphyllum japonicum). maple. Leaves opposite, with rounded teeth. Elongated red buds on thin stems. Small to medium sized tree. 54 – Red Horsechestnut (Aesculus x carnea Two groups on north and south ends of this planter. ‘Briotii’). Palmately compound, opposite Planted in 1995. leaves; 5 leaflets, dark green and smaller thanA. hippocastanum, buds smaller and less sticky. Red flowers. Small tree. Somewhat prickly husk on fruit. Planted in 1995.

White oak leaves with deep lobes and

57 – White Oak (Quercus alba). Deep lobes; rounded ends. Warty cap covering less than one third of the . Like all oaks in the white oak group, they germinate in the fall and have furry inner shells.

Tree #54 – Red horsechestnut 3 South Old Main Hill

10 – White Spruce (Picea glauca). Short needles, tree. Same family as goldenraintree (). small cones with rounded scales, narrow crown. From northern . Leans to the west due to canyon winds. On Utah Big Tree list. 15 – European Hornbeam (Carpinus betulus var. ‘Fastigiata’). Fruit a nutlet with distinctive 3-lobed 11 – Sugar Maple (Acer saccharum). See entry on bract in loose clusters. Bark smooth and stem is previous page. sinewy.

12 – Great Basin 16 – Baker or Modoc Bristlecone Pine (Pinus Cypress (Cupressus aristata). 5 needled, soft bakeri). True cypress pine. Resin specks on (not a ; in needles. Cupressaceae family). Dark green to blue 13 – Horsechestnut green leaves. Branchlets (Aesculus hippocastanum). not flattened likeThuja . Leaves with 7 large leaflets Cones globular with (Ohio buckeye has 5); several wrinkled scales. Bristlecone pine opposite arrangement. Monoecious. On Utah cone and needles Flowers white to light Big Tree list. Planted in with resin yellow with red spots. Fruit 1998. Tree #16 – Baker or a prickly capsule with 1-3 kernels. Can get very Modoc cypress large. 17 – Eastern Redcedar (Juniperus virginiana). Very similar to Rocky 14 – Yellowhorn (Xanthoceras sorbifolium). Mountain juniper but usually not blue-colored. Often Alternate, compound leaves with 9 to 17 leaflets. purplish in winter. Cones small, waxy; dioecious; Beautiful, showy white flowers with yellow and pink mature in one year. Old trees have uneven crowns. spot in the middle. Shrub to small tree. Fairly rare 4 18 – Japanese Pagodatree 26 – Three- Maple (). Leaves or Scholar-tree (Sophora trifoliate; red-orange fall color. Small tree. Peeling japonica). Large, broad- bark on young stems. Flowers in groups of 3. Planted crowned tree. Fruit a small in 2005. legume with several wrinkled seeds. Nice, creamy white 27 – Purpleblow or Shantung Maple (Acer flowers appearing in June. truncatum). Star-shaped leaves; lobes without teeth; shiny; leaves start out purplish; fall color orange-red. 19 – Lavalle Corktree Small tree. (Phellodendron lavallei var. ‘Longenecker’). Opposite Japanese 28 – Incensecedar (Calocedrus decurrens). Scaly leaves; pinnately compound. pagodatree foliage clasping and flattened along stem in fours; Dioecious; fruit a round, 1/2” legume 1/4” long on youngest twigs, 1/2” long on older diameter, strong-smelling drupe. Thick, corky bark. twigs; lateral pairs hide facial pairs. Cones 3/4” Nice fall color. Planted in 2010. to 1-1/2” long with 6 (5 apparent) scales; 2 scales elongated and look like duck’s bill. Somewhat 20 – Burenglish Oak (Quercus macrocarpa x narrow-crowned when mature. robur). Hybrid oak. Red fall color. Like English oak, leaves have “earlobes.” Acorn cap fringed. 29 – American Yellowwood (Cladrastis kentukea). Large, 21 – Hackberry (Celtis occidentalis). Large. Look pinnately for nipple gall. Leaves narrower lanceolate than compound netleaf hackberry. Leaves serrate (netleaf nearly leaves. Nice entire). Fruit dark purple (netleaf yellow to orange- white flowers red). Warty, ridged bark. Ulmaceae. in large panicles. Fruit 22 – Crimean Linden (Tilia x euchlora). Group of 2 a legume. trees. Similar to littleleaf European linden, but more Smooth gray graceful habit; not as stiff and upright. Hybrid of bark, even American yellowwood T. cordata and T. dasystyla. when mature. leaves and bark Fairly unusual and very desirable. 23 – Weeping European Larch (Larix decidua 30 – Seven-son Flower (Heptacodium miconoides). var. ‘Pendula’). Strongly Small tree. Flowers in groups of 7; borne in August weeping. Deciduous and September. Leaves simple, opposite. Fairly . rare, especially in Utah. Fruit a capsule; attractive. Exfoliating bark. Family Caprifoliaceae. Planted in 24 – Painted Maple 2010. (Acer mono). Possibly a subspecies of A. 31 – Kentucky truncatum. ID may be Coffeetree Tree #23 – Weeping wrong because leaves (Gymnocladus European larch don’t look right. Planted dioicus). Female in 2005. (dioecious or polygamo- 25 – Manchurian Maple (Acer mandshuricum). Kentucky coffeetree legumes dioecious). Leaves trifoliate; red fall color. Smooth bark into old Fruit a fairly large legume with large seeds (1/2”). age, like . Small to medium-sized tree. Planted Twice pinnately compound leaves; dark blue-green. in 2005. Somewhat narrow crown. Coarse texture in winter. Many in this area. 5 32 – Jeffrey Pine North Old Main Hill – Trees 37 through 53 (Pinus jeffreyi). Long- needled pine similar 37 – American Hornbeam (Carpinus caroliniana). to ponderosa pine. Simple, doubly-toothed leaves, alternate. Fruit a Needles in threes. nutlet at the base of a 3-pronged bract. Bark smooth Cones large with a and stem sinewy; also called musclewood. Rounded sharp prickle on each conical crown. Fairly small. On Utah Big Tree list. scale, though these cones seem to be 38 – Northern Catalpa (Catalpa speciosa). half as long as native Large, bright green leaves; entire margins; whorled trees. Very unusual arrangement. Showy white flowers. Fruit a large (10- in Utah or in planted 20 inches long) capsule with winged seeds inside. landscapes. Native Gets large. mainly to the Sierra Tree #32 – Jeffrey pine Nevada in . 39 – European Linden (Tilia x europaea). Large On Utah Big Tree list. tree; pyramidal at first, then becoming more rounded. Similar to T. cordata. Hybrid of T. cordata and T. 33 – European Beech ( var. platyphylos. ‘Purpurea Pendula’). Contorted. Entire leaves or very small teeth. Zigzag twigs. Smooth gray bark. Small 40 – American Smoketree (Cotinus obovatus). nut in 4-part capsule (present). Planted in 1995. Flowers tiny; fruit a small drupe. Flowers and fruit showy; in clusters 34 – Sycamore Maple (Acer pseudoplatanus). Bark 6” to 8” across scaly and gray, flaking off to expose orange inner with hairy whitish bark. Leaves sharply toothed dark green. Samaras in stalks. In the 6-12” long, drooping panicles. Anacardiaceae family, which 35 – Yellow-poplar or Tuliptree (Liriodendron includes pistachio, tulipifera). Leaves 4-lobed with flat base and tip. sumac and cashew. Large yellow-green flowers becoming a tulip-shaped Bigger trees and fruit (aggregate of samaras). Diaphragmed pith. more tree-like Magnoliaceae. than C. coggyria. Planted in 2005. American smoketree flowers 36 – Russian-olive (Elaeagnus angustifolia). Attractive but weedy tree. Very tough. Silvery 41 – Chinese (Castanea mollissima). foliage. Foliage, Toothed, alternate leaves. Gets fairly large. Source of fruit, and commercial . Planted in 1997. twigs covered by shield- 42 – Chinese Toon or Chinese Cedrela (Toona shaped scales. sinensis). Large, alternate, compound leaves. Coarse Leaves simple, twigs. Peeling bark. Grows fast and gets large. alternate. Meliaceae (soapberry) family. Thorns. Flowers yellow, sweet- 43 – Black Cherry (Prunus serotina). Elliptical, smelling. serrate leaves. Usually brown, downy hairs along Drupe-like bottom of midrib near . Younger bark with reddish fruit. On horizontal lenticels. Older bark scaly. Planted in Utah Big Tree 1998. list. Tree #36 – Russian-olive

6 47 – Persimmon (Diospyros virginiana var. ‘Meader’). Yellow to red fall color. Fruit a large, orange berry. Blocky older bark. Ebenaceae family. Planted in 1996.

48 – Chinkapin Oak (Quercus muehlenbergii). Leaves shallowly toothed rather than lobed. 1/2” to 3/4” long acorn with cap covering about 1/2 of nut. Planted in 1996.

49 – Oriental Spruce (Picea orientalis). Very short needles (1/4” to 1/2”), 4-sided, blunt; not white underneath like P. omorika. Narrow North Old Main Hill pyramidal crown. Planted in 2007. 50 – Blue Ash (Fraxinus quadrangulata). Leaves somewhat similar to green ash, but with 5 to 44 – American Sycamore (Platanus occidentalis). 11 leaflets and darker green. Four Large, alternate leaves, but smaller than London ridges on twigs, making them look square in cross- planetree. Smooth whitish/grayish bark with rougher section. Inner bark turns blue on exposure to air. ID bark patches that often peel off. Fruit a bristly ball of on this tree unclear. On Utah Big Tree list. achenes; borne one to a stalk (2 or more in London planetree). Large tree. Tends to develop sycamore 51 – Common Hoptree (Ptelea trifoliata). Alternate anthracnose more severely than London planetree. leaves; trifoliate. Fruit a round, flat samara, 1/2” to 1” in diameter. Utah 45 – Turkey Oak (Quercus cerris). Leaves with native. Small tree. fairly deep lobes; lobes pointed at tips. Acorn cap with elongated scales that make it look hairy or 52 – Subalpine Fir fringed, covering most of nut. Unusual tree. Planted (Abies lasiocarpa var. in 1999. arizonica). Curved needles, flat in cross- 46 – Japanese Snowbell (Styrax japonicus). section. Cones 2” to Alternate, simple, ovate leaves. Beautiful white 4” long; upright on the flowers that hang down. Marginally cold-hardy in upper branches; cones Cache Valley. don’t fall off whole, but scales fall off, releasing the seeds. Var. arizonica has a denser crown and a more blue- green color. Planted in Tree #52 – Subalpine Fir 1995.

53 – Cucumbertree Magnolia (Magnolia acuminata). Tree-sized magnolia. Leaves 6” to 10” long. Yellow flowers, 2” to 3” across; not very showy Japanese snowbell flowers because of foliage. 7 58 – Norway Maple (Acer platanoides). Milky sap 65 – Japanese Maple (Acer palmatum). Japanese (not so much in the late summer). Samaras with have highly variable leaves; palmately lobed. widely spreading wings. Tight, ridged bark. On Utah Small, usually brightly-colored, paired samaras. Big Tree list. 66 – Ginkgo (). Leaves with 59 – Weeping Baldcypress (Taxodium distichum dichotomous venation which gives them a spreading var. ‘Cascade Falls’). Deciduous, alternate leaves shape; golden fall (needles). Weeping variety. Planted in 2008. color; on short spur shoots. Does well 60 – White Fir (Abies concolor). Fir cones upright in compacted and (near tree top), disintegrate. Needles flat; white fir high pH soil and has longer needles than subalpine fir. with pollutants. No insect and disease 61 – Kousa problems. Was Dogwood gone from nature (Cornus kousa). but cultivated in Leaves entire (no Chinese temples Ginkgo teeth), elliptical. for thousands of Resembles years, which preserved it. Dioecious; female trees flowering have foul-smelling fruit. One of few broad leaved dogwood but gymnosperms. Group of 2. Kousa dogwood flowers white bracts are elongated into a 67 – Chinafir (Cunninghamia lanceolata). Long point. Fruit 1/2” to 1” in diameter, bright red. curved needles; bright green. Cones 1-1/2” across. Can get large. Tree is showing chlorosis. In 62 – Corneliancherry Dogwood (Cornus mas). Taxodiaceae family (baldcypress, sequoia). Leaves similar to C. kousa but flowers are small and yellow; flowers somewhat similar to those on red- 68 – Monkey Puzzle Tree ( araucara). stemmed dogwood. Fruit 5/8” long; bright orange- Evergreen, triangular, sharp-pointed leaves; spirally red, turning darker as it matures; edible.

63 – Eastern Redbud (Cercis canadensis). Small tree with heart-shaped leaves with entire margins. Pink, pea-like flowers. Fruit a flattened legume 2”-4” long. Gray to cinnamon-colored bark.

64 – Japanese Tree Lilac (Syringa reticulata). Opposite leaves; more ovate than shrub lilacs. White flowers; don’t smell quite as good as shrub lilacs. Small to medium-sized trees; often multi-stemmed. Bark somewhat cherry-like; shiny; horizontal lenticels. Student Center

8 arranged; bright green; without prickle. Buds white. Bark gray-brown and leaves cover the stems, not scaly. It is a hard or red pine. Cones take 2 years leading to the tree’s to mature, fascicles with sheath. White or soft common name. Gets take 1 year, no sheath. Hard pine. Historic tree. very large in coastal Pacific Northwest. 70 – Atlas Cedar (Cedrus Trees in Seattle get frost atlantica). Blue foliage; damaged at times, yet needles on spurs in groups this tree is doing well, of 30 to 40 (Deodar cedar though very slow- has groups of 15 to 20 growing. This tree was and cedar-of-Lebanon transplanted in May has green rather than blue Tree #68 – Monkey 2012. foliage). This species may puzzle tree be marginally cold hardy 84 – Turkish Tree in Cache Valley. (Corylus colurna). Large, toothed, simple, alternate leaves. Small nuts in burs held in large 71 – Bur Oak (Quercus clusters. Pyramidal shape when young. Betulaceae macrocarpa). Look for Tree #70 – Atlas cedar family (birch, alder, etc.). Planted in 2001. ridges on twigs, hairy acorn cap. Shallow lobes on upper part of leaf; leaf hairy and lighter colored 85 – Paperbark Maple (). Trifoliate underneath. Tree has heavy root damage. Planted in leaves; dark green on top and pale beneath; red in 1990s. fall. Peeling orange bark. Planted in 2001. Group of 7. 72 – Persian Parrotia or Persian Ironwood (Parrotia persica). Leaves alternate, simple; top Central Campus – Trees 69 through 87 half of leaf toothed, bottom entire; dark green leaves turning yellow-orange in fall. Attractive, peeling 69 – Austrian Pine (Pinus nigra). Medium long bark. Hamamelidaceae family (sweetgum, witch- needles in fascicles of 2. Fairly large woody cones hazel).

73 – Japanese Umbrella Central Campus Pine (Sciadopitys verticillata). Very rare. Small and scaly leaves combined with flattened needles 2” to 5” long. This tree has been chlorotic but is looking better. Found occasionally in planted landscapes in Pacific Northwest. Can get quite tall.

74 – Scots or Scotch Pine (Pinus sylvestris). Butterscotch upper bark; twisted, blue-green needles, medium length; fairly small woody cones with no prickle. 9 75 – Tatarian Maple (Acer tataricum). Opposite, 83 – Bigtooth Maple, etc. (Acer grandidentatum). simple leaves; somewhat doubly serrate; usually This is a mostly native planting which includes not lobed; yellow-red fall color. Small red samaras. bigtooth maple, curlleaf mountain-mahogany, Small to medium-sized trees. Planted in 2001. desertwillow and cypress.

76 – Sweetgum 86 – Eastern Hemlock (Tsuga canadensis). (Liquidambar Flat, blunt needles; evergreen; whitish bands on styraciflua). Star- underside. Small cones. Shade tolerant. Shouldn’t do shaped leaves; turns well here but is so far. Planted in 2005. yellow, orange, red, or purple in fall, 87 – Giant Sequoia sometimes all at the (Sequoiadendron same time. Fruit a giganteum). Large. ball-shaped bundle Dense pyramid. of capsules. Corky Leaves 1/8-1/2” long. ridges on twigs. Usually awl-shaped Pyramidal growth or triangular, point habit. Produces resin- forward, last 3-4 Tree #76 – Sweetgum like sap. years. Cone woody, oval, 1-1/2 to 3” long. 77 – Bigtooth or Canyon Maple (Acer Spongy bark. This one grandidentatum var. ‘Rocky Mountain Glow’). is showing 1-2 years Upright form. Grafted on sugar maple rootstock. of winter damage. Unreliable fall color. Planted in 2005. Tree #87 – Giant sequoia

78 – English Oak (Quercus robur). Non-fastigiate form. Look for “earlobes” near petiole. Acorns with long peduncle (stalk). More Information

79 – Purple Giant Filbert ( var. This tree tour can be found as an interactive Google ‘Purpurea’). Shrubby tree with large purple leaves. map at http://g.co/maps/ghnm4 Good nuts. For definitions of botanical and tree-related terms, 80 – Ponderosa Pine (Pinus ponderosa). Long see the Tree and Botanical Glossary at http://forestry. needles (8-10”) in twos and threes. Cones with usu.edu/htm/treeid/tree-and-botanical-glossary/ prickle. Buds cinnamon brown. Bark scaly, furrowed, becomes platy and red. Hard pine. Planted Visit the USU Tree Browser website for photos and by Bob Hope. Group of 2 trees. identification information for over 240 tree species. The Tree Browser can be found at http://treebrowser. 81 – Austrian Pine (Pinus nigra). See entry on org previous page. Check out this inventory of Utah State University’s 82 – Baldcypress (Taxodium distichum). Leaves campus trees: http://earth.gis.usu.edu/trees/ alternate (dawn redwood opposite), deciduous. Fruit a 1” diameter, round cone.

Utah State University is committed to providing an environment free from harassment and other forms of illegal discrimination based on race, color, religion, sex, national origin, age (40 and older), disability, and veteran’s status. USU’s policy also prohibits discrimination on the basis of sexual orientation in employment and academic related practices and decisions. Utah State University employees and students cannot, because of race, color, religion, sex, national origin, age, disability, or veteran’s status, refuse to hire; discharge; promote; demote; terminate; discriminate in compensation; or discriminate regarding terms, privileges, or conditions of employment, against any person otherwise qualified. Employees and students also cannot discriminate in the classroom, residence halls, or in on/ off campus, USU-sponsored events and activities. This publication is issued in furtherance of Cooperative Extension Work, Acts of May 8 and June 30, 1914, in cooperation with the U. S. Department of Agriculture, Noelle Cockett, Vice President for Extension and Agriculture, Utah State University. Published June 2013.

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