Caudiciform cactus from Argentina with pendulous branches from a large gnarly tuber. Name now includes P.tuberosus & P.decipiens. Water in spring to get silky yellow flowers. Very coldhardy but keep dry in winter.
5.Indoors OK, Outdoors not OK.
Pterocactus kuntzei (w3440)
The pic/s tell the story.
Width: 10 cms Height: 12 cms Pot diameter: 12 cms