1	"Leaf blades pubescent beneath, hairs dense along midrib and lateral veins"	2
1	"Leaf blades glabrous below or with a few hairs along midrib"	4
2	"Leaf blades oblong, lanceolate, oblanceolate or narrowly elliptic, 10-35 cm long, 3-7 (-10) cm wide; lateral veins 12-20 pairs"	"Helicia ferruginea"
2	"Leaf blades elliptic, orbicular, ovate or broadly ovate, 5.5-15.5 cm long, 2-9 cm wide; lateral veins 6-10 pairs"	3
3	"Leaf blades orbicular or broadly ovate; tepals 12-18 mm long"	"Helicia lamingtoniana"
3	"Leaf blades elliptic to oblong-lanceolate; tepals 7-9 mm long"	"Helicia nortoniana"
4	"Leaf blades bullate with midrib and secondary veins markedly raised below and slightly impressed above, domatia pockets sometimes present; leaves drying dark purplish"	"Helicia lewisensis"
4	"Leaf blades flat, midrib and secondary veins more or less flush or slightly raised below and above; domatia absent; leaves drying green"	5
5	"Petioles 1-3 mm long; leaf bases acute"	"Helicia glabriflora"
5	"Petioles 3-16 mm long; leaf bases attenuate"	6
6	"Tertiary leaf venation obscure and flush below; tepals 8-14 mm long"	"Helicia australasica"
6	"Tertiary leaf venation distinct and uniformly very slightly raised below; tepals 15-18 mm long"	7
7	"Ovary with a few pale brown hairs or sparsely pubescent"	"Helicia blakei"
7	"Ovary ferruginous tomentose"	"Helicia grayi"