Puya densiflora Harms

Literature references:

Bromtravels (Web) BSA (Web) J. Bromeliad Soc.: 16:36b 55:210 Padilla 1973, 1986: 122 Rauh 1981, 1990: Abb. 359 Richter 1962, 1978: 49c Smith & Downs 1974: 119 Wisnev 2016: 166, 167