Cross B. D. 1914. Investigations on Phormium. Transactions of the New Zealand Institute 47: 61-66
Notes
Discusses differences in:
i) vegetative characters between Phormium tenax and P. cookianum. Notes difficulty in absolutely separating two species.
ii) floristic characters. Classification of varieties of P. tenax (not named in this summary report), gradation forms, and varieties of P. cookianum.
iii) Also sections on plant development, pollination, diseases and fibre. Bibliography, plates, photos.
Bibliographic details
Investigations on Phormium