thorny cluster of mammillaria geminispina

botanic botany cactaceae cactus canary ceiba cluster dry elongated family fishhook garden geminispina geminispinus globe globose health island jardin landscape lanzarote mammillaria mexican multicolored nature neomammillaria nipple pentadra pincushion pink plant plants prickly rocky spherical spined spines spiny stems summer thorny tree trunk ts twin volcanic white