Trollius
L.
Herbs, perennial, erect, glabrous; rootstock stout, clothed at apex with fibres; stems
simple. Leaves palmatisect, mostly basal. Flowers terminal, solitary, actinomorphic, up
to 5 cm across, yellow. Sepals 5 -
8, petaloid. Petals (honey leaves) 10 -
12 (rarely 3 -
4),
very small, obovate, with nectar pit above basal claw, equalling or shorter than stamens.
Stamens numerous. Carpels many. Follicles membranous, with prominent beak; seeds
many, in 2 series.
N. temperate and arctic regions; ca 25 species, 3 species in India.
Literature. DOROSZEWSKA, A. (1974) The genus Trollius Linn. A taxonomic study. Monogr. Bot. (polsk.) 41: 167.
N. temperate and arctic regions; ca 25 species, 3 species in India.
Literature. DOROSZEWSKA, A. (1974) The genus Trollius Linn. A taxonomic study. Monogr. Bot. (polsk.) 41: 167.
KEY TO THE SPECIES
| 1a. Nectariferous staminodes short-clawed, thin along upper edges | 1. Trollius acaulis |
| b. Nectariferous staminodes long-clawed, thickened along upper edges | 2 |
| 2a. Leaf segments distinct, with apiculate serratures | 2. Trollius farreri |
| b. Leaf segments overlapping, with scarcely apiculate serratures | 3. Trollius pumilus |
