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Home >> Checklist: Arizona Trees and Shrubs >> Previous version of Key >> Identification Key (new version): Arizona Trees and Shrubs
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Plant
habit
herb
shrub
tree
vine
grass-like
cactus-like / desert succulent
Leaves
type
simple
pinnatifid-pinnatisect
compound
arrangement
alternate
opposite
whorled
basal
fascicled/clustered along stem
Flower
principal flower color
green
white
yellow
orange
pink
red
purple
blue
brown
Inconspicuous
Fruit
consistency at maturity
dry/leathery
fleshy
Arizona Trees and Shrubs
Leslie Landrum
Species Count: 363
Acanthaceae
Anisacanthus thurberi
Carlowrightia arizonica
Justicia californica
Justicia candicans
Adoxaceae
Sambucus cerulea
Sambucus racemosa
Amaranthaceae
Allenrolfea occidentalis
Atriplex canescens
Atriplex confertifolia
Atriplex hymenelytra
Atriplex lentiformis
Atriplex polycarpa
Atriplex semibaccata
Grayia spinosa
Krascheninnikovia lanata
Suaeda nigra
Anacardiaceae
Rhus aromatica
Rhus glabra
Rhus kearneyi
Rhus microphylla
Rhus ovata
Rhus virens
Toxicodendron radicans
Apocynaceae
Asclepias albicans
Asclepias linaria
Asclepias subulata
Matelea parvifolia
Metastelma arizonicum
Sarcostemma cynanchoides
Arecaceae
Washingtonia filifera
Asparagaceae
Agave chrysantha
Agave deserti
Agave murpheyi
Agave toumeyana
Dasylirion wheeleri
Yucca angustissima
Yucca baccata
Yucca brevifolia
Yucca elata
Yucca schidigera
Asteraceae
Acamptopappus sphaerocephalus
Acourtia wrightii
Adenophyllum cooperi
Adenophyllum porophylloides
Ambrosia ambrosioides
Ambrosia cordifolia
Ambrosia deltoidea
Ambrosia dumosa
Ambrosia eriocentra
Ambrosia monogyra
Ambrosia salsola
Artemisia bigelovii
Artemisia frigida
Artemisia ludoviciana
Artemisia pygmaea
Artemisia tridentata
Baccharis bigelovii
Baccharis brachyphylla
Baccharis pteronioides
Baccharis salicifolia
Baccharis salicina
Baccharis sarothroides
Baccharis sergiloides
Baccharis thesioides
Bahiopsis parishii
Bebbia juncea
Brickellia atractyloides
Brickellia baccharidea
Brickellia californica
Brickellia coulteri
Brickellia desertorum
Brickellia incana
Brickellia longifolia
Chrysothamnus depressus
Chrysothamnus greenei
Chrysothamnus viscidiflorus
Encelia farinosa
Encelia frutescens
Ericameria brachylepis
Ericameria cuneata
Ericameria laricifolia
Ericameria linearifolia
Ericameria nauseosa
Flourensia cernua
Gutierrezia microcephala
Gutierrezia sarothrae
Gutierrezia serotina
Gymnosperma glutinosum
Isocoma acradenia
Isocoma pluriflora
Isocoma rusbyi
Isocoma tenuisecta
Melampodium leucanthum
Parthenium incanum
Peucephyllum schottii
Picrothamnus desertorum
Pluchea sericea
Porophyllum gracile
Psilostrophe cooperi
Stephanomeria pauciflora
Tetradymia argyraea
Tetradymia axillaris
Tetradymia canescens
Thymophylla acerosa
Trixis californica
Zinnia acerosa
Zinnia grandiflora
Berberidaceae
Berberis fremontii
Berberis haematocarpa
Berberis harrisoniana
Berberis repens
Berberis trifoliolata
Berberis wilcoxii
Betulaceae
Alnus incana
Alnus oblongifolia
Betula occidentalis
Ostrya knowltonii
Bignoniaceae
Chilopsis linearis
Tecoma stans
Boraginaceae
Eriodictyon angustifolium
Burseraceae
Bursera microphylla
Cactaceae
Carnegiea gigantea
Cylindropuntia acanthocarpa
Cylindropuntia arbuscula
Cylindropuntia bigelovii
Cylindropuntia fulgida
Cylindropuntia leptocaulis
Cylindropuntia ramosissima
Cylindropuntia spinosior
Ferocactus emoryi
Ferocactus wislizeni
Opuntia chlorotica
Opuntia engelmannii
Opuntia phaeacantha
Pachycereus schottii
Peniocereus greggii
Peniocereus striatus
Stenocereus thurberi
Cannabaceae
Celtis pallida
Celtis reticulata
Caprifoliaceae
Lonicera arizonica
Lonicera interrupta
Symphoricarpos rotundifolius
Celastraceae
Canotia holacantha
Mortonia scabrella
Paxistima myrsinites
Cornaceae
Cornus sericea
Crossosomataceae
Apacheria chiricahuensis
Crossosoma bigelovii
Glossopetalon spinescens
Cupressaceae
Cupressus arizonica
Juniperus californica
Juniperus coahuilensis
Juniperus communis
Juniperus deppeana
Juniperus monosperma
Juniperus osteosperma
Juniperus scopulorum
Elaeagnaceae
Elaeagnus angustifolia
Shepherdia argentea
Shepherdia canadensis
Shepherdia rotundifolia
Ephedraceae
Ephedra fasciculata
Ephedra trifurca
Ericaceae
Arbutus arizonica
Arctostaphylos pringlei
Arctostaphylos pungens
Euphorbiaceae
Bernardia incana
Ditaxis lanceolata
Jatropha cardiophylla
Jatropha cuneata
Sebastiania bilocularis
Fabaceae
Acacia angustissima
Acacia constricta
Acacia farnesiana
Acacia greggii
Acacia millefolia
Acacia neovernicosa
Alhagi maurorum
Amorpha californica
Amorpha fruticosa
Caesalpinia gilliesii
Calliandra eriophylla
Calliandra humilis
Cercis occidentalis
Coursetia glandulosa
Dalea formosa
Dalea pulchra
Dermatophyllum arizonicum
Erythrina flabelliformis
Eysenhardtia orthocarpa
Lotus rigidus
Lysiloma divaricatum
Mimosa aculeaticarpa
Mimosa dysocarpa
Mimosa grahamii
Olneya tesota
Parkinsonia aculeata
Parkinsonia florida
Parkinsonia microphylla
Prosopis juliflora
Prosopis pubescens
Psorothamnus emoryi
Psorothamnus fremontii
Psorothamnus spinosus
Robinia neomexicana
Senna armata
Senna covesii
Senna wislizeni
Fagaceae
Quercus chrysolepis
Quercus emoryi
Quercus gambelii
Quercus grisea
Quercus havardii
Quercus hypoleucoides
Quercus oblongifolia
Quercus palmeri
Quercus pungens
Quercus rugosa
Quercus toumeyi
Quercus turbinella
Fouquieriaceae
Fouquieria splendens
Garryaceae
Garrya flavescens
Garrya wrightii
Grossulariaceae
Ribes aureum
Ribes pinetorum
Hydrangeaceae
Fendlera rupicola
Fendlerella utahensis
Jamesia americana
Philadelphus microphyllus
Juglandaceae
Juglans major
Koeberliniaceae
Koeberlinia spinosa
Krameriaceae
Krameria bicolor
Krameria erecta
Lamiaceae
Hyptis emoryi
Poliomintha incana
Salazaria mexicana
Salvia dorrii
Salvia lemmonii
Salvia mohavensis
Salvia parryi
Salvia pinguifolia
Loasaceae
Petalonyx thurberi
Malpighiaceae
Cottsia gracilis
Malvaceae
Abutilon incanum
Abutilon palmeri
Abutilon parvulum
Fremontodendron californicum
Gossypium thurberi
Hibiscus coulteri
Hibiscus denudatus
Sphaeralcea ambigua
Moraceae
Morus microphylla
Oleaceae
Forestiera pubescens
Forestiera shrevei
Fraxinus anomala
Fraxinus cuspidata
Fraxinus dipetala
Fraxinus gooddingii
Fraxinus papillosa
Fraxinus velutina
Menodora scabra
Pinaceae
Abies bifolia
Abies concolor
Picea engelmannii
Picea pungens
Pinus aristata
Pinus cembroides
Pinus edulis
Pinus engelmannii
Pinus flexilis
Pinus leiophylla
Pinus monophylla
Pinus ponderosa
Pinus strobiformis
Pseudotsuga menziesii
Plantaginaceae
Keckiella antirrhinoides
Platanaceae
Platanus wrightii
Plumbaginaceae
Plumbago zeylanica
Poaceae
Arundo donax
Polemoniaceae
Phlox tenuifolia
Polygonaceae
Eriogonum deserticola
Eriogonum fasciculatum
Eriogonum wrightii
Ranunculaceae
Clematis drummondii
Clematis ligusticifolia
Rhamnaceae
Ceanothus fendleri
Ceanothus greggii
Ceanothus integerrimus
Condalia
Frangula californica
Rhamnus betulifolia
Rhamnus ilicifolia
Rhamnus smithii
Sageretia wrightii
Ziziphus obtusifolia
Rosaceae
Amelanchier utahensis
Cercocarpus ledifolius
Cercocarpus montanus
Chamaebatiaria millefolium
Coleogyne ramosissima
Crataegus erythropoda
Fallugia paradoxa
Holodiscus dumosus
Physocarpus monogynus
Potentilla fruticosa
Prunus emarginata
Prunus fasciculata
Prunus serotina
Prunus virginiana
Purshia mexicana
Purshia stansburyana
Purshia tridentata
Purshia X subintegra
Rosa woodsii
Rubus arizonensis
Rubus idaeus
Rubus neomexicanus
Sorbus dumosa
Vauquelinia californica
Rubiaceae
Bouvardia ternifolia
Cephalanthus occidentalis
Galium stellatum
Rutaceae
Ptelea trifoliata
Thamnosma montana
Salicaceae
Populus angustifolia
Populus deltoides
Populus fremontii
Populus tremuloides
Salix bebbiana
Salix exigua
Salix gooddingii
Salix laevigata
Salix lasiolepis
Salix scouleriana
Santalaceae
Arceuthobium vaginatum
Phoradendron californicum
Sapindaceae
Acer glabrum
Acer grandidentatum
Acer negundo
Dodonaea viscosa
Sapindus saponaria
Sapotaceae
Sideroxylon lanuginosum
Sarcobataceae
Sarcobatus vermiculatus
Simaroubaceae
Castela emoryi
Simmondsiaceae
Simmondsia chinensis
Solanaceae
Lycium andersonii
Lycium berlandieri
Lycium exsertum
Lycium fremontii
Lycium macrodon
Lycium pallidum
Lycium richii
Lycium torreyi
Nicotiana glauca
Tamaricaceae
Tamarix aphylla
Tamarix chinensis
Ulmaceae
Ulmus pumila
Verbenaceae
Aloysia wrightii
Vitaceae
Parthenocissus quinquefolia
Vitis arizonica
Zygophyllaceae
Fagonia laevis
Larrea tridentata