Historical milestones (1900’s):
•Dressler
(1984):
1.Larger-leafleted, red-emergent plants “perfect match” for Warszewicz’s sketch and Dietrich’s description of Zamia
skinneri
2.Smaller, green-emergent plants from Bocas del Toro distinctly different
•Stevenson
& Sabato (1986): Lectotypified Warszewicz’s drawing of Zamia skinneri—in absence of voucher
•Stevenson
(1993): Described Zamia neurophyllidia as a ‘dwarf’ arborescent,
plicate-leaved cycad in Central America
