| Term | Origin | Pronunciation | Meaning or usage |
| Agave | Spanish |
ah-GAH-vay |
Centuryplant. |
| Ajo | Spanish |
AH-hoh |
Garlic. |
| Agua Dulce | Spanish |
AH-wah DOOL-say |
Sweet water. |
| Aguajita | Spanish |
AH-wah HE-tah |
Emitting water. |
| Arroyo | Spanish |
ah-ROY-oh |
A gully. |
| Bajada | Spanish |
bah-HAH-dah |
Sloping plain. |
| Bisnaga | Indian |
bees-NAH-gah |
A barrelcactus. |
| Cabeza Prieta | Spanish |
kah-BAY-sah pree-ET-ah |
Black head. |
| Cereus | Latin |
SEE-re-us |
Cactus genus. |
| Cholla | Spanish |
CHO-yah |
Bush-type cactus. |
| Datil | Spanish |
DAT-ill |
Date; fruit like a date. |
| Echinocereus | Latin |
e-KINE-oh-SEE-re-us |
A cactus group, or genus. |
| Galleta | Spanish |
gah-YET-ah |
Desert clump grass. |
| Gila | Indian |
HEE-lah |
River in southern Arizona. |
| Gneiss Probably | Latin |
nice or NAY-is |
Crystalline rock. |
| Iguana | Spanish |
e-goo-AH-nah |
A lizard. |
| Jojoba | Probably Indian |
hob-HOH-bah |
An evergreen shrub. |
| Kino | Spanish |
KEE-noh |
A Spanish proper name. |
| La Abra | Spanish |
lah AH-brah |
A dale, or valley. |
| Mesa | Spanish |
MAY-sah |
A table; a flat-topped mountain. |
| Mesquite | Spanish form of an Indian word. |
mess-KEET |
A desert tree. |
| Ocotillo | Spanish |
oh-koh-TEE-yoh |
A desert shrub. |
| Paloverde (the plant) | Spanish |
PAHL-oh-VEHR-dey |
Green stick. |
| Papago | Spanish form of a native name. |
PAHP-ah-go |
Desert Indian tribe. |
| Papagueria | Spanish |
PAHP-ah-geh -REE-ah |
Land of Papago Indians. |
| Phainopepla | Latin |
fane-oh-PEP-lah |
One of the silky fly catchers. |
| Pima | Spanish form of a native name. |
PEE-mah |
A desert Indian tribe. |
| Pitahaya dulce | Spanish |
pee-TAH-yah DOOL-say |
Sweet fruit of a cactus. |
| Puerto Blanco | Spanish |
poo-EHR-toh BLAHN-coh |
White pass. |
| Quitobaquito | Indian |
KEE-toh-bah-KEE-toh |
Spring and pond in southwest corner of monument. |
| Reina-de-la noche | Spanish |
ray-E-nah de la NO-chay |
Queen-of-the-night. |
| Rincon | Spanish |
reen-CONE |
An inside corner. |
| Saguaro | Spanish form of an Indian word. |
sah-WAH-roe |
Giant cactus. |
| Sangre de drago | Spanish |
SAHN-gray de DRAH-go |
Blood of the dragon. |
| Sapium | Latin |
SAY-pee-um |
A plant genus. |
| Senita | Spanish |
sen-EE-tah |
The old one. |
| Sierra | Spanish |
see-EHR-rah |
Saw-toothed-ridge mountain range. |
| Tinaja | Spanish |
tee-NAH-hah |
Water jar; a pothole. |
| Tomatillo | Spanish |
toh-mah-TEE-yoh |
A little tomato. |
| Tuna | Spanish |
TOO-nah |
Cactus fruit; Indian fig. |
| Yucca | Spanish |
YUH-kuh or YOU-kuh |
Stiff-leaved plant; soapweed. |