Banksia spinulosa, Sm.

Stimpson, Margaret L., Bruhl, Jeremy J. & Weston, Peter H., 2014, Could this be Australia’s rarest Banksia? Banksia vincentia (Proteaceae), a new species known from fourteen plants from south-eastern New South Wales, Australia, Phytotaxa 163 (5), pp. 269-286 : 279

Dichotomous key to the Banksia spinulosa complex

1 Styles green ............................................................................................................................................................... B. collina

1: Styles distally red to maroon, becoming purple-black towards the tips................................................................................. 2

2 Lignotuber absent ........................................................................................................................................... B. cunninghamii

2: Lignotuber present ................................................................................................................................................................. 3

3 Leaf margins tightly recurved .............................................................................................................................. B. spinulosa

3: leaf margins slightly recurved................................................................................................................................................ 4

4 Stems ascending from lignotuber ....................................................................................................................... B. neoanglica

4: Stems basally prostrate from lignotuber, distally ascending ................................................................................. B. vincentia