Pytinicarpa, G. L. Nesom, 1994

Lannuzel, Guillaume, Pignal, Marc & Gâteblé, Gildas, 2022, Pytinicarpa (Asteraceae, Astereae) in New Caledonia, Phytotaxa 574 (2), pp. 121-136 : 122

Key to the New Caledonian species of Pytinicarpa

1. Leaves obovate to spatulate (3.5–5.5 times longer than wide), always regularly lobate or dentate, lamina glabrous or with scattered short trichomes (0.05 mm). Corolla tube of ray and disc florets glabrous....................................................................... P. comptonii

- Leaves linear to narrowly oblong or narrowly spatulate (5–27 times longer than wide), entire or with 1–4 subapical teeth, glabrous to densely hairy with long trichomes (1–2 mm). Corolla tube of ray florets glabrous or with trichomes 0.5–1.5 mm long. Corolla tube of disc florets glabrous or with scattered long trichomes (0.5–1 mm long)...............................................................................2

2. Plant with a stem developed above ground, leaves 2–5 cm long. Corolla tube of ray florets densely hairy with trichomes ca. 1 mm long, corolla tube of disc florets with scattered trichomes 1 mm long at base................................................................ P. kaalaensis

- Plant with a rosulate habit (stem absent above ground), leaves 4–16 cm long. Corolla tube of ray florets glabrous or with scattered trichomes ca. 0.5 mm long, corolla tube of disc florets glabrous.......................................................................................................3

3. Plant glabrous in most parts, except the leaf basis. Corolla tube of ray and disc florets glabrous. Ovary of all disc florets sterile.... .............................................................................................................................................................................................. P. tonitrui

- Plant hairy in most parts, especially young leaves. Corolla tube of ray florets with scattered trichomes ca. 0.5 mm long. Ovary of the outer row of disc florets sometimes fertile, other rows with sterile ovary ................................................................... P. sarasinii