Forzzaea

Leme, Elton M. C., Ribeiro, Otávio B. C., Souza, Fernanda Vidigal D., Souza, Everton Hilo De, Kollmann, Ludovic J. C. & Fontana, André P., 2020, Miscellaneous new species in the “ Cryptanthoid complex ” (Bromeliaceae: Bromelioideae) from Eastern Brazil, Phytotaxa 430 (3), pp. 157-202 : 168

Key to the species of Forzzaea

1 Leaf blades to 7 cm long and to 0.6 cm wide..................................................................................................................................... 2

1a Leaf blades longer than 10 cm and wider than 0.6 cm ....................................................................................................................... 3

2 Leaf blades 1.1–4.1 × 0.15–0.3 cm, subdensely lepidote adaxially, with trichomes not obscuring the leaf color; sepals free; petals white, free; stigma lobes sparsely papillate........................................................................................................................... F. micra

2a Leaf blades 4–7 × 0.4–0.6 cm, densely lepidote adaxially, with trichomes almost completely obscuring the leaf color; sepals connate at the base for 1–1.5 mm; petals yellowish-white, connate at the base for 2–4 mm; stigma lobes without papillae ............. ................................................................................................................................................................................... F. pseudomicra

3 Leaf blades densely white lepidote on both surfaces, dark reddish, reddish-purple throughout or at least toward the apex but usually the color completely concealed by the trichomes, the surfaces slightly if at all contrasting with each other.................................... 4

3a Leaf blades adaxially glabrous and usually light green or sometimes red toward the apex, with the surfaces strongly contrasting with each other ................................................................................................................................................................ F. viridifolia

4 Leaf blades 1.5–3.5 cm wide; flowers 26–32 mm long; sepals acute to obtuse and apiculate ......................................................... 5

4a Leaf blades 0.7–0.9 cm wide; flowers 21–22 mm long; sepals acuminate-attenuate ..................................................... F. coutensis

5 Leaf blades 30–45 cm long; sepals connate for 5–7 mm; petals greenish-yellow ........................................................ F. flavipetala

5a Leaf blades to 20 cm long; sepals connate to 1–3 mm; petals white ................................................................................................. 6

6 Leaves spreading to arcuate; leaf blades surface with an inconspicuous relief of inner leaf margins (if any), margins spinose; spines 1–2 mm long, narrowly triangular; inflorescence pseudosimple ........................................................................... F. leopoldo-horstii

6a Leaves distinctly recurved; leaf blades surface with a conspicuous relief of inner leaf margins on both surfaces, margins pectinatedentate; spines 2–3 mm long, broadly triangular; inflorescence distinctly compound ....................................................... F. warasii