Chrysosplenium L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 380-381

3. Chrysosplenium L. 2

Perennial; leaves petiolate, entire or crenate. Flowers small, 4-merous, in terminal, leafy, corymbose cymes. Petals absent.

Stamens 8 (rarely 4). Ovary partly or almost wholly inferior.

Literature: H. Hara, Jour. Fac. Sci. Tokyo Univ. (Bot.) 7: 1 (1957).

1 Leaves alternate

2 Stamens 8; plant somewhat hairy 1. alternifolium 2 Stamens 4; plant almost glabrous 2. tetrandrum 1 Leaves opposite

3 Capsule asymmetrical, much exceeding the sepals; seeds suborbicular, furnished with conspicuous, bristle-like papillae

5. dubium 3 Capsulesymmetrical, scarcelyexceedingthesepals; seeds ovoid, very minutely papillose

4 Plant hairy, at least in lower part; leaves crenulate

3. oppositifolium 4 Plant glabrous; leaves ±entire 4. alpinum