ECCB 203 Lab Tree ID

Water Oak

Fagaceae, Quercus nigra, variable leaf size, similar shape, alternating leaf pattern, mature after 18-24 months, spatulate

Crepe Myrtle (IN QUIZ 1)

Lythraceae, Lagerstroemia indica, elementary school tree, very smooth bark, consistent leaf size, hairy small fruit(?) that open up, white pink or purple flowers

Black walnut

Juglandaceae, Juglans nigra, usually straight stemmed, opposite/parallel leaves, odd amount of leaves on the end of the branch, walnut is literally black and has skin

Bur Oak (IN QUIZ 1)

Fagaceae, Quercus macrocarpa, has massive acorns, distinctly lobed leaves

Live Oak (IN QUIZ 2)

Fagaceae, Quercus virginiana, small acorns in cups, simple non-lobed leaves, oblong leaf and acorn

Texas mountain laurel

Fabaceae, Dermatophyllum secundoflorum, pods look like gourds with dripping bottom, consistent ovular leaves

Fringetree

Oleaceae, Chionananthus virginicus, bluish berries with a flour coating appearance

Chinese pistache

Anacardiaceae, Pistacia chinensis, slightly spatular leaves that swoop inwards, sparse bark

Eve’s necklace

Fabaceae, Styphnolobium affine, shiny small leaves, black berries that are beaded and wrinkly, alternating leaves

Monterrey oak

Fagaceae, Quercus polymorpha, tricky to identify, incredibly variable leaf shape, good for wildlife

Black willow (IN QUIZ 1)

Salicaceae, Selix nigra, rough bark, long and wispy leaves that are pockmarked with brown, riparian tree

Slash pine

Pinaceae, Pinus elliottii, clearly pine bark, very tall, leaves and branches only near the top of the tree, 3 leaves or less with each other.

Sweetgum

Altingiaceae, Liquidambar styraciflua, distinct palmate star shape leaf, sea urchin fruit shape

Desert willow

Bignoniaceae, Chilopsis linearis, pink flowers and buds, long simple flowers, false willow, whorled leaf arrangement

Eastern redcedar (IN QUIZ 2)

Cupressaceae, Juniperus virginiana, tiny teal berries, many leaves, flaky bark, scaly leaf

Pondcypress

Cupressaceae, Taxodium ascendens, leaves ascending, flaky fark, very small green fruit in bunches

Baldcypress

Cupressaceae, Taxodium distichum, has knees, deciduous conifer, gray flaky bark, medium size green circular fruit, fruit is SAPPY, many small leaves

Honey mesquite

Fabaceae, Neltuma glandulosa

Eastern redbud (IN QUIZ 1)

Fabaceae, Cercis canadensis, palmate, simple alternate arrangement, smooth gray bark

Jerusalem thorn/retama

Fabaceae, Parkinsonia aculeata, legume bean fruit, thorns on branches, yellow flowers

Post oak (IN QUIZ 2)

Fagaceae, Quercus stellata, medium size lobed leaves, pale pubescent underside of leaf

Pecan (IN QUIZ 1)

Juglandaceae, Carya illinoinensis, asymmetrical leaves, serrate, obvious veination, smells like pecan pie when crushed

Southern magnolia (IN QUIZ 1)

Magnoliaceae, Magnolia grandiflora, You know this one. Shiny leaf with rusty underside, large buds/flowers

Mustang grape

Vitaceae, Vitis mustangensis, pale pubescent leaf bottom, serrate, its a vine

Sugarberry (IN QUIZ 2)

Cannabaceae, Celtis laevigata

Sweet acacia / huisache

Fabaceae, Vachellia farnesiana, feather-like leaves similar to baldcypress, thorns

Eastern cottonwood

Salicaceae, Populus deltoides, triangular leaf, smooth, serrate, flat petiole, pale-ish bark

American beautyberry

Lamiaceae, Callicarpa americana, white to purple berries, hairy leaf, obicular to ovate leaf

Mexican plum

Rosacea, Prunus mexicana, orange-purple fruit covered in pale dusty coating, flaky bark, leaves are very curled in

Loblolly pine

Pinaceae, Pinus taeda, almost always has 3 leaves per fascicle, spikes under the grooves of the pinecone

White mulberry

Moraceae, Morus alba, sometimes lobed sometimes not, asymmetrical base, shiny top

Texas palmetto / Mexican palmetto

Arecaceae, Sabal mexicana

Shumard oak

Fagaceae, Quercus shumardii, on underside of leaf where veins meet there are small amounts of fuzzy hair, red oak characteristics

Chinkapin oak

Fagaceae, Quercus muehlenbergii, leaf similar to chestnut

American sycamore

Platanaceae, Platanus occidentalis, light colored palmate maple-like leaf, light colored bark, pubescent underside

Western soapberry

Sapindaceae, Sapindus saponaria, bright orange translucent fruit

Osage orange

Moraceae, Maclura pomifera

Common persimmon

Ebenaceae, Diospyros virginiana, orangeish branches

Parsley hawthorn

Rosaceae, Crataegus marshallii, small deeply lobed leaves resembling parsley, orange to light brown bark, has thorns

Yaupon holly (IN QUIZ 2)

Aquifoliaceae, Ilex vomitoria, alternate leaves, evergreen, very lightly serrated (wavy), dioecious, soft leaf, somewhat shiny, thicker than other leaves

Upland swamp privet

Oleaceae, Forestiera ligustrina, not a swamp species, not a privet, likes sandy and alkaline soils, leaves are opposite, finely serrate may be hard to see, pubescent bottom

Chinese privet (IN QUIZ 2)

Oleaceae, Ligustrum sinense, no serration, shinier leaves, less pubescent, smaller leaves

Deciduous holly

Aquifoliaceae, Ilex decidua, lightly serrate, spatulate leaves, plant has fruit even in winter, leaves will likely be sparse or gone soon

Gum bumelia

Sapotaceae, Sideroxylon lanuginosum, very pubescent leaves, greyish bark with orange underneath, simple leaf arrangement, twigs are slightly pubescent as well, whorled arrangement

Honey locust

Fabaceae, Gleditsia triacanthos, huge protrusions of thorns from the trunk and branches, fuzzy pods, bark flat like sandpaper, compound leaves

Blackjack oak

Fagaceae, Quercus marilandica, bell shape leaves like large wide water oak

Prarie sumac

Anacardiaceae, Rhus lanceolata, pinnately compound

Sparkleberry

Ericaceae, Vaccinium arboreum, alternate leaves, reddish bark, biggest blueberries in the family

Black hickory

Juglandaceae, Carya texana, pecan-like fruit

trumpet creeper

Bignoniaceae, Campsis radicans

Texas persimmon

Ebenaceae, Diospyros texana

Chinaberry

Meliaceae, Melia azedarach

white ash

Oleaceae, Fraxinus americana

green ash

Oleaceae, Fraxinus pennsylvanica

winged elm

Ulmaceae, Ulmus alata

American elm

Ulmaceae, Ulmus americana

cedar elm

Ulmaceae, Ulmus crassifolia

Chinese elm / lacebark elm

Ulmaceae Ulmus, parvifolia

river birch

Betulaceae, Betula nigra

willow oak

Fagaceae, Quercus phellos

boxelder

Sapindaceae, Acer negundo