Opopanax Koch

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 360

89. Opopanax Koch 2

Leaves pinnate, with stellate hairs beneath, segments entire or sometimes deeply lobed. Sepals absent. Petals yellow, ovateoblong, involute. Fruit obovate to orbicular, strongly compressed dorsally. Lateral ridges united to form a border surrounding the fruit before dehiscence; dorsal ridges slender, low; vittae 2-3.

Fruit 6-7 mm, with a narrow, thickened border 1. chironium Fruit 7-9 mm, with a wide, thin border 2. hispidus