• Green pine cone
Scientific classification
Kingdom:Plantae
Clade:Tracheophytes
Clade:Angiosperms
Clade:Eudicots
Order:Caryophyllales
Family:Cactaceae
Subfamily:Cactoideae
Genus:Mammillaria
Species:M. polythele
Cultivar
Syn: Mammillaria polythele ‘Sin Pico’ / fma. nuda / inermis
From my collection
via Flickr https://flic.kr/p/2ihj3SQ