Cactus
species - Krutch
Garden or around Old
Main
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Saguaro
- Carnegiea gigantea
Thick waxy white flowers
Native to Sonoran Desert key species; State flower
Krutch Garden;
North of Old Main;
East of Math
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Pink bottle tree - Brachychiton
x excellens
Pink 3" velvety flowers.
Native to Australia.
South of Bio
Science West
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Golden chain tree - Cassia
fistula
Long chains of bright yellow flowers
Native to Indian subcontinent
West of Nugent
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Jacaranda - Jacaranda mimosifolia
Lush Indigo flowers
Native to South America; these particular ones from high elevation
South of Main Library
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Senna spectabilis
Neon “knock your eyes out” yellow flowers
Native to Tropical America
East of Main Library
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Kalahari
Christmas tree; Marabou thorn - Dichrostachys cinerea
Ornate pink/white “earring” flowers
Native to African dry lands
South of Graham/Greenlee
Hall
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Calabash
tree - Crescentia alata
Brown (bat pollinated) flowers emerging from trunk
Native to Mexican tropics
Magic Alley south of Old
Chemistry; south of Main
Library
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Sonoran cordia - Cordia sonorae
White flowers that change to warm brown
Native to Mexican tropical deciduous forest
Magic Alley, south of Old
Chemistry
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Bottle brush tree - Callistemon citrinus; Callistemon
australis; Callistemon viminalis
Red pendulous flowers that resemble bottle brushes.
Native to Australia.
Education courtyard;
NE of Physical/Atmospheric
Sciences; south of Manzanita-Mojave;
south of Engineering
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| Kapok tree; Floss silk tree - Ceiba acuminata
Pale pink 5" flowers, open at night
Native to Mexican tropical deciduous forest
SW of Math
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Siris tree - Albizia lebbeck
Pale green 2" puffballs, resembling shaving brushes
Native to Southeast Asia & Australia
South of Cochise
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Monk’s pepper tree - Vitex agnus castis
Spikes of blue flowers
Native to Mediterranean
West of Old Chemistry;
south of Maricopa;
NW of Speech Pathology
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Desert willow - Chilopsis linearis
Fluffy pink/violet flowers
Native to Sonoran Desert, especially in stream banks
SW Yavapai;
east Harvill;
SW Old Main
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Royal flame tree - Delonix regia
Very tropical hot orange flowers
Native to Caribbean and tropics all over
Magic Alley, south
of Old Chem
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African baobab - Adansonia za
Chalice shaped gold flowers
Native to Madagascar; largest one in US; UA Heritage Tree
SW of Administration
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Horseradish tree - Moringa oleifera
Chains of pale yellow flowers
Native to India & Africa; widely seen in tropics
North of Herring;
south Vet Sci/Micro;
south of Gila
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Giant milk weed - Calotropis procera
Clusters of velvety purple flowers
Native to India, Middle East, Africa
West of Science
Library
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Alamos pea tree - Brogniartia alamosana
Deep wine pea flowers
Native to Mexican tropics
West Science Library;
east of Math
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Crape myrtle - Lagerstroemia indica
Profuse red, white flowers
Native to China & Japan
‘Green belt’ along Park
Ave; east of Nugent;
north of Anthropology
along entrance drive
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Red Mexican Bird of Paradise - Caesalpinia
pulcherrima
Profuse red/orange tropical blooms
Native to tropics
South of Nugent;
along Campbell
Avenue; along Cherry
Avenue
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To see a full campus map with all trees
identified, please visit the Campus Arboretum's web site, and click
on “Maps and Walks”. You can search for tree species, identify
any one tree, find all species from Mexico, learn what plants grow
around a favorite building, or just remember what a beautiful campus
we have. The site address is http://arboretum.arizona.edu |
