Zamia splendens, Schutzman, 1984

Haynes, Jody L. & Schutzman, Bart, 2023, Emended description of Zamia sandovalii (Cycadales: Zamiaceae), the cliff-dwelling cycad from Atlántida, Honduras, Phytotaxa 584 (1), pp. 18-32 : 31

Diagnostic key of the Zamia splendens complex

Below is a key that separates the members of the Zamia splendens complex using gross vegetative traits.

1. Leaflets falcate to subfalcate; plants typically with 1–3 leaves .........................................................................................................2

- Leaflets not falcate; plants typically with a full crown of leaves .......................................................................................................3

2. Leaves arcuate ....................................................................................................................................................................................4

- Leaves (typically) pendulous..............................................................................................................................................................5

3. Emergent leaves dull deep reddish-purple; leaflets finely serrulate with acuminate tips and (typically) raised veins..... Z. purpurea

- Emergent leaves bright glossy pink or green; leaflets sharply serrate with acute tips and inconspicuous veins............. Z. splendens

4. Leaflets linear-lanceolate with long-acuminate tips and distinct longitudinal folding ..................................................... Z. standleyi

- Leaflets oblanceolate with acute tips and no longitudinal folding .................................................................................. Z. lacandona

5. Emergent leaves reddish to purplish-brown; leaflets sharply serrate.......................................................................... Z. cremnophila

- Emergent leaves light green; leaflets finely serrulate...................................................................................................... Z. sandovalii