Key to the species of Selliguea with palmate laminae

1. Lamina simple, hastate or palmately lobed; lateral veins distinct......................................................................................................2

- Lamina palmately lobed; lateral veins obscure ..................................................................................................................................3

2. Simple lamina ovate to lanceolate, with cuneate to rounded base ....................................................................................... S. hastata

- Simple lamina deltoid-ovate, with cordate base............................................................................................................ S. quinquefida

3. Stipe castaneous, base scaly; lamina 5–9 × 5–9 cm ............................................................................................................ S. digitata

- Stipe stramineous, base not scaly; lamina 10–20 × 10–15 cm ...........................................................................................................4

4. Scales narrowly lanceolate, yellowish brown, 5–7 mm, gradually narrowed, entire, apex acuminate............................. S. dactylina

- Scales ovate-lanceolate, dark brown, ca. 10 mm, gradually or abruptly narrowed, margin setaceous, apex hair-like ..... S. chenopus