| Family | RANUNCULACEAE |
| Genus species | Helleborus istriacus (Schiffn.) Borbás |
| Bibliography | Oesterr. Bot. Z. 42: 219 (1892) |
| Native Range | ne. Italy to Croatia |
| Primary Biome | Temperate |
| Habitat | grassland and thickets |
| Description | sparsely hirsute, basal leaves pedate, lobes 12-16, narrowly lanceolate, entire or lobate, flowers pendent, 20-35mm across, petals free, not imbricate |
| Size | 20-40cm |
| Color | green |
| Bloom | early spring |
| Ca | |
| Type | perennial |
| Cultivation | mesic, slightly humous, semi-shady site alpine house, moist, rich, drained soil, semi-shade |
| Propagation | seed in winter, germ. 3-12 months, 16-18°C division after flowering and in fall |
| Synonyms | Helleborus bocconei ssp. istriacus (Schiffn.) Soldano & F.Conti Helleborus laxus Host Helleborus multifidus ssp. istriacus (Schiffn.) Merxm. & Podlech Helleborus multifidus f. istriacus (Schiffn.) Martinis Helleborus multifidus ssp. laxus (Host) Martinis Helleborus odorus var. istriacus Schiffn. Helleborus odorus ssp. laxus (Host) Merxm. & Podlech Helleborus viridis ssp. istriacus (Schiffn.) Cristof. & Zanotti Helleborus viridis var. laxus (Host) Kitt. |
| Territory | 1 Europe 13 Southeastern Europe (ITA Italy, YUG Yugoslavia) |