The Maidenhair Tree is The hardy, slow-growing pyramidal, with irregular Lebabon Cedar is one of horizontal branches. The only 3 of cedars 2-3” emerald- in the world, and is found fan-shaped grow between 4000-7000 ft in clusters of 3-5. Plum in elevation. The bark is West Campus shaped, yellow-orange dark gray and fissured, fruit grows on the female with very thick, long trees. The outer fleshy branches. The stiff, dark- Tree Walk pulp and seed kernel are green ½-1 ½” needles poisonous when ingested appear on short in large quantities and and are grouped in tufts lead to minor dermatitis of 30-40. It is known after contact with skin. for its mythological and However, the seed itself scriptural associations. is boiled or roasted and The oldest known tree is eaten in Asia, and is used over 1000 years old. in traditional medicine. Ginkgo biloba: Maidenhair Tree 10 13 libani: Cedar

The Hollywood, or The is native Chinese, is an to subtropical regions irregular, coniferous of , but is shrub or tree, which can highly prevalent in many grow 15-20 ft tall and continents due to its Arbor Grill spread up to 10 ft. It is attractive lavender to originally from China, blue flowers. The 2”, This walk begins and ends by the Mongolia and Japan. The trumpet-like flowers Arbor Grill, making a short loop Sundial Fountain tree has dense, dark- can bloom any time around the west side of campus and bringing you green, fragrant, scale-like during the year, but peak past the Sundial Fountain. The walk is 0.40 miles foliage, inconspicuous in late spring. The tree long. For more information on the trees in this flowers, and small berry- can grow 25-40 ft tall brochure and a glossary of terms, scan the QR like cones of blue color. with equal, or even code below. The variety ‘torulosa’ is greater, spread. The Water the most sought after contains a powerful Low Medium High of all varieties due to its healing substance called requirements: artistically twisted trunk. glutamic acid. The Weeping is a 11 Juniperus chinensis ‘Torulosa’: Hollywood Juniper Jacaranda mimosifolia: Jacaranda 14 rapidly growing tree with a short life-span, The deciduous Sawleaf The Lemon Bottlebrush, that can reach 30-50 ft in Zelkova, native to Japan, native to , can height. It has a short trunk, Taiwan and eastern grow 6-12 ft tall and broad rounded crown, and China, can grow 50-80 ft 6-9 ft wide. The tree is pendulous weeping branches tall, with equal spread. often multi-trunked with with 3-6” alternate, narrow, The bark is smooth and rough, brown bark and simple leaves. It has a very gray when the tree is gray, drooping branches invasive, shallow root young, but will reveal the that have thorns. The 6” system, so it is best to avoid orange-brown inner bark bright-green, elliptic and planting near sewers or when it gets older. leathery leaves have a water lines. The leaves are oblong, distinct aroma elliptic, and medium- when crushed. Bright red 1 Salix babylonica: Weeping Willow green in color, with flowers, mostly made of coarse, ciliate marginal stamens, are arranged in teeth and acuminate fuzzy clusters resembling tips, turning from yellow, the bristles on a brush orange, to brown in fall. used to clean bottles. www.csun.edu/sustainability Zelkova serrata: Sawleaf Zelkova 12 15 Callistemon citrinus: Lemon Bottlebrush The Pepper Tree, native Bunya Pines have deeply to Peru, can grow 30-40 furrowed bark and 2 ft tall. It has gray-colored types of leaves. Young bark that exfoliates with leaves are 1-2”, glossy, age, revealing a reddish and arranged in 2 rows on color underneath. The branchlets. Mature leaves leaves are 6-12” long, are ½”, oval, spirally pinnately compound, and arranged and overlapping linear with 2½” leaflets. on branchlets. Female It has small, off-white trees produce big, spiny, flowers that are pineapple-shaped cones followed by small, round, every few years. The reddish seeds with a cones can be up to 9” strong pepper scent. long, 8” across, and can The tree is considered weigh up to 18 pounds! invasive by the They are a delicacy to Invasive Plant Council. Australian Aborigines. 2 Schinus molle: Pepper Tree Araucaria bidwilli: Bunya Pine 7

Carob Trees, native to the The Canary Island Pine is eastern Mediterranean, a fast-growing, narrow can grow up to 55 ft tall tree with a distinctive and live over 150 years. branching structure. It The leaves are pinnately grows 50-80 ft tall and compound, glossy, dark up to 30 ft wide. The 1. Salix babylonica: Weeping Willow 9. Fraxinus uhdei: Evergreen/Shamel Ash green, and oval in shape. 2. Schinus molle: Pepper Tree 10. Ginkgo biloba: Maidenhair Tree characteristic green-gray 3. Ceratonia siliqua: Carob Tree 11. Juniperus chinensis ‘Torulosa’: Hollywood The flowers have an 4. Platanus x acerifolia: London Plane Tree Juniper needles and oval shaped unpleasant fragrance and 5. Trachycarpus fortune: Windmill Palm 12. Zelkova serrata: Sawleaf Zelkova cones make it unique 6. Pyrus kawakamii: Evergreen Pear 13. Cedrus libani: Lebanon Cedar are followed by 4-12” 7. Araucaria bidwilli: Bunya Pine 14. Jacaranda mimosifolia: Jacaranda from other pines. The brown pods in summer 8. Pinus canariensis: Canary Island Pine 15. Callistemon citrinus: Lemon Bottlebrush needles grow in bundles and fall. The pods are of 3, up to 12”, and are filled with pulp and seeds The Windmill Palm, one of the often bluish when young. and are processed into a most cold-hardy palms, is native Cones grow 4-9” long. It cocoa-like flour, which is to Asia. The 3 ft in diameter tolerates smog and dust, high in fiber, and used as palmate leaves are light to dark and is therefore well a chocolate substitute. green above and silvery below. adapted for urban areas. Ceratonia siliqua: Carob Tree They are held on thin, toothed, 3 flattened stems, that are about 8 Pinus canariensis: Canary Island Pine 3 ft long. It grows 20-40 ft tall The London Plane Tree with a 8-10” diameter trunk The Shamel Ash, native is a hybrid between the which is wider at the top. to Mexico, is a fairly American Sycamore (P. fast-growing tree, which occidentalis) and Oriental 5 Trachycarpus fortunei: can reach up to 80 ft. The Plane (P. orientalis). The Windmill Palm pinnate leaves are tree’s leaves have deeper divided into 5-9 glossy sinuses than its American The Evergreen Pear is native to dark green leaflets, parent and the fruiting China and Taiwan. It produces 3” which are about 4” long, balls appear in pairs. The glossy-green, oval shaped leaves toothed and narrow. bark is brown in color, with pointy tips. The abundant Its leaflets may burn if but exfoliates in irregular small, white flowers have 5 exposed to hot winds. pieces to reveal a cream- petals, multiple stamens and 2 Inconspicuous, petal-less colored inner bark. Its pistils. It is usually the first tree flowers grow in large leaves are medium to to bloom each year, and the panicles. The tree is dark-green, lobed and pungent smelling flowers attract dioecious, with male and 4-9” wide, with coarse birds, bees and butterflies. female flowers growing marginal teeth. on separate trees. Pyrus kawakamii: 6 4 Platanus x acerifolia: London Plane Tree Evergreen Pear Fraxinus uhdei: Evergreen/Shamel Ash 9