Disocactus speciosus 'stenopetalus' (Durango-Mazatlan)

(syn. Heliocereus elegantissimus v. stenopetalus, Heliocereus schrankii subsp. stenopetalus) very nice slender and clustering plants, 3-5 ribs with white short spines, flowers deep red, 10-15 cm across. Can take some cold nights down to zero C, but best is a winter rest at appr 10 C. Easy to flower (20 st/seeds/samen)