© Robert Siegel
--> quick link to photo index
--> quick link to flora photos

Cactus

Order: Caryophyllales
Family: Cactaceae

Species on page

+ Hedgehog cactus (Echinopsis)
+ California barrel cactus (Ferocactus cylindraceus)
+ Beavertail cactus (Opuntia basilaris)
+ Golden barrel cactus (Echinocactus grusonii)
+ Lava cactus (Brachycereus nesioticus)
+ Silver torch or wooly torch (Cleistocactus strausii) - separate page
+ Cholla (Cylindropuntia)
+ Tree cholla (Cylindropuntia imbricata)
+ Prickly pear (Opuntia)
+ Nightblooming Cereus (Peniocereus greggii)

line

Hedgehog cactus (Echinopsis)

Cactus flower

arizona garden

Hedgehog cactus (Echinopsis)
Family: Cactaceae
Arizona Cactus Garden, Stanford
With Nature Through Photography class class
August 18, 2019
Canon 7Dmark2
line

California barrel cactus (Ferocactus cylindraceus)

A barrel of fun

Anza Borrego
California barrel cactus (Ferocactus cylindraceus)
Family: Cactaceae (cactuses)
Anza Borrego
March 29, 2019
Canon 7Dmark2

line

A barrel of fun

Desert Biogeography of Joshua Tree National Park

California barrel cactus (Ferocactus cylindraceus)
Family: Cactaceae (cactuses)
Lost Palm Oasis hike
Desert Biogeography of Joshua Tree National Park
September 14, 2022
Canon R5

line

Beavertail cactus (Opuntia basilaris)

Anza Borrego
Beavertail cactus (Opuntia basilaris)
Family: Cactaceae (cactuses)
Anza Borrego
March 29, 2019
Canon 7Dmark2

line

Beaver tail

Desert Biogeography of Joshua Tree National Park

Beavertail cactus (Opuntia basilaris)
Family: Cactaceae (cactuses)
Key's Ranch
Desert Biogeography of Joshua Tree National Park
September 11, 2022
Canon R5

line

Silver torch or wooly torch (Cleistocactus strausii)

Cactus flower

arizona garden

Silver torch or wooly torch (Cleistocactus strausii)
Arizona Cactus Garden, Stanford
With Photographing Nature class
January 19, 2019
Canon 7Dmark2
line

Cholla (Cylindropuntia)

Tree cholla (Cylindropuntia imbricata)

Tree cholla (Cylindropuntia imbricata)
Family: Cactaceae (cactus)
Arizona Cactus Garden
June 7, 2021
Canon 7Dmark2

line

Cholla

arizona garden

Cholla (Cylindropuntia)
Arizona Cactus Garden, Stanford
With Photographing Nature class
January 19, 2019
Canon 7Dmark2
line

Golden barrel cactus (Echinocactus grusonii)

Barrel of fun

cactus

Golden barrel cactus (Echinocactus grusonii)
Family: Cactaceae (cactus family)
Arizona Cactus Garden
April 7, 2014
line

Flowered barrel

cactus

Golden barrel cactus (Echinocactus grusonii)
Family: Cactaceae (cactus family)
Arizona Cactus Garden
April 7, 2014
line

"Mother-in-law's cushion"

cactus

Golden barrel cactus (Echinocactus grusonii)
Family: Cactaceae (cactus family)
Arizona Cactus Garden
January 2, 2012
Canon Rebel T1i
line

cactus

Golden barrel cactus (Echinocactus grusonii)
Family: Cactaceae (cactus)
Arizona Cactus Garden
April 7, 2014
line

arizona garden

Golden barrel cactus (Echinocactus grusonii)
Family: Cactaceae (cactus)
Arizona Cactus Garden
August 9, 2021
Canon R5

line

arizona garden

Golden barrel cactus (Echinocactus grusonii)
Family: Cactaceae (cactus)
Arizona Cactus Garden
With Photographing Nature class
January 8, 2022
Canon R5

line

Prickly pear (Opuntia)

Prickly

santa cruz

Mission prickly-pear (Opuntia ficus-indica)
Family: Cactaceae (cactus)
Chaminade, Santa Cruz
October 17, 2019

line

Pear

santa cruz

Mission prickly-pear (Opuntia ficus-indica)
Family: Cactaceae
Chaminade, Santa Cruz
October 17, 2019

line

cactus

Prickly pear (Opuntia)
Family: Cactaceae
Arizona Cactus Garden, Stanford
With Nature Through Photography class
August 21, 2016
Canon Rebel T5i
line

cactus

Prickly pear (Opuntia)
Family: Cactaceae
Arizona Cactus Garden, Stanford
With Nature Through Photography class
August 21, 2016
Canon Rebel T5i
line

Nightblooming Cereus (Peniocereus greggii)

Night blooming cactus

cactus
Nightblooming Cereus (Peniocereus greggii)
Family: Cactaceae
Night drive
Araras Lodge
The Pantanal
April 1, 2011
Canon rebel T1i

line

Closer

cactus
Nightblooming Cereus (Peniocereus greggii)
Family: Cactaceae
Night drive
Araras Lodge
The Pantanal
April 1, 2011
Canon rebel T1i

line

cactus
Nightblooming Cereus (Peniocereus greggii)
Family: Cactaceae
Night drive
Araras Lodge
The Pantanal
April 1, 2011
Canon rebel T1i

line

Its bark is as bad as its bite

galapagos
Santa Cruz
Galápagos 2010
July, 2010

line

Two tone

galapagos

Las Grietas, Santa Cruz
Galápagos 2010
July, 2010
line

Lava cactus (Brachycereus nesioticus)

Lava cactus

galapagos

Lava cactus (Brachycereus nesioticus)
Galápagos 2010
July, 2010
line

Barrels

cactus

Arizona Cactus Garden
line

Prickly pear

cactus

Arizona Cactus Garden
line

A sharper look

cactus

Arizona Cactus Garden
line

Going about their beesness

arizona garden

line

Radiant

arizona garden

Arizona Cactus Garden
line

Cactus bud

arizona 
garden

Arizona Cactus Garden
line

Cactus flowers

arizona 
garden

Arizona Cactus Garden
line

| Robert's home page | Bob's photo page
| Arizona Garden | Top of page | Comments? |

line

Last modified: June 7, 2023
Created: August 11, 2010
Contact: siegelr@stanford.edu
All pictures are protected by copyright. Do not use without permission.