This cactus has just one flower but it's massive. And pink. Echinocereus pectinatus. https://t.co/grYDzrFU77

— Kathy (@Khaph) 2017.5.10

Echinocereus pectinatus. crece en los matorrales desérticos, micrófilos y rosetófilos, pastizales y mezquitales. #nature #CactusLover #ASES pic.twitter.com/XhyI8PFoGP

— Ases SC (@Ases SC) 2017.3.7

Photo: su-su-su-succulents: Echinocereus pectinatus v. rigidissimus 'Arizona Rainbow Cactus' http://tmblr.co/ZQeJ0u1fXdSil

— Lana (@cariocaallana) 2015.3.11

Photo: Echinocereus pectinatus http://t.co/fcLyh34S

— Aouad Abdessamad (@AouadAbdessamad) 2012.9.10

Todos os tamanhos | Cactus #16 (Echinocereus pectinatus). | Flickr – Compartilhamento de fotos! https://t.co/HRt0yWqnww

— Mara Rosin (@mararosin) 2016.8.10

cacti 7J2 xl size Echinocereus pectinatus rubrispinus Lau 088, size pot is 5,5cm http://spain-travel-now.info/re/sn/?query=http://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=2&toolid=10039&campid=5337597384&item=401162785701&vectorid=229466&lgeo=1 …

— extremely good revie (@carmonaamado5) 2016.7.31

cactus KA26 Echinocereus pectinatus rubrispinus size pot 5,5 cm no Tephrocactus http://germany-tips-trip.info/gy/qt/?query=http://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=2&toolid=10039&campid=5337597384&item=122064411275&vectorid=229466&lgeo=1 …

— extremely splendid r (@suarezteofanes) 2016.7.30

cactus 3C14 Echinocereus pectinatus rubrispinus seedling own roots size pot6,5cm http://spain-travel-now.info/re/sn/?query=http://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=2&toolid=10039&campid=5337597384&item=121893519248&vectorid=229466&lgeo=1 …

— extremely good revie (@carmonaamado5) 2016.2.13

cactus 1C37 Echinocereus pectinatus rubrispinus size plant is 14 cm no Aztekium http://majestic-amazing-deals.newoffers.info/buy/01/?query=121725700642 …

— extremely good revie (@carmonaamado5) 2015.8.9

More blooms! #backyardbliss #echinocereus #pectinatus #rubrospinalis #cactuslove #cactusclub… https://t.co/ZxPZRKGkhg

— Lisa Markouizos (@peacewself) 2016.7.3

Photo: Echinocereus pectinatus v. rigidissimus 'Arizona Rainbow Cactus' http://t.co/z4TQA0vxXd

— InternetLolo Wintour (@LoloelRolo) 2014.9.4

Echinocereus pectinatus, watercolor, 1983 by Christabel King for Kew Magazine (from Flowers of Kew, Richard Mabey) http://t.co/wbNAXlHt

— Greg T. (Et al.) (@DatelineDoodler) 2012.12.14

Echinocereus pectinatus http://t.co/x6Lmxv9AyB

— jardin-nature (@jeffjardin) 2014.4.25

Photo: Echinocereus pectinatus var. dasyacanthus / Texas Rainbow Cactus Dryland Mesa, Denver Botanic... http://t.co/S8zdXHEjMm

— Dustin Miller (@zoopunkwild) 2014.7.3

Photo: rainbow cacti (Echinocereus pectinatus) http://t.co/i7MpV7O9Iv

— Michele Hauf (@michelehauf) 2014.11.30

Echinocereus pectinatus http://t.co/UkSqHhsQSX

— Olivia Morris (@Haydnsgrammie) 2014.12.21

Photo: fabionardini: Echinocereus pectinatus var. rigidissimus by Joyce-Tex-Buckner on Flickr. http://t.co/A3YSfgrbGe

— Michele Hauf (@michelehauf) 2015.3.9

Rainbow cactus (Echinocereus Pectinatus Rubispinus) @ La Granja https://t.co/HiEOHhbEwN

— Juan Romano (@JohnnyPiters) 2015.6.1

@QUABITER0 Mira, este es un Echinocereus pectinatus http://t.co/MM7qZXy1sN

— Fibo (@fibonacio) 2015.9.5

Echinocereus Pectinatus https://t.co/8Usx2xSyRN

— Karla A (@karla__arroyo) 2016.4.4