Chrysosplenium L. Chrysosplenium Chrysosplenium, L.

3. Chrysosplenium L. View in CoL 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

1. C. alternifolium L. View in CoL , Sp. Pl. 398 (1753).

Somewhat hairy, at least towards the base. Stems up to 20 cm, 3-angled, arising from a mainly underground rhizome. Leaves mostly basal, orbicularreniform, deeply cordate, with numerous crenations or shallow lobes; petiole long. Cauline leaves alternate; bracts yellowish. Sepals c. 2 mm, patent, ovate, obtuse, yellowish. Stamens 8. Filaments and styles much shorter than sepals. Disc slightly 8-lobed. Seeds smooth, shining, brown or almost black. 2n = 48. Damp and shady places. Most o f Europe, but absent from the extreme north and west and most o f the Mediterranean region. Au Be Br Bu Cz D a Fe G a Ge He Ho?Hs H u It Ju No Po Rm Rs (N, B, C, W, E) Su.