| Family | BRASSICACEAE |
| Genus species | Odontarrhena caliacrae (Nyár.) D.A.German |
| Bibliography | Turczaninowia 19: 130 (2016) |
| Native Range | se. Europe, Krym |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Description | leaves to 7mm long, oblanceolate, white, flowers in raceme, petals 2-3mm long, silicles 3-5mm long, obovate-orbiculate, grey-green, punctate |
| Size | 10-30cm |
| Color | yellow |
| Bloom | late spring |
| Ca | |
| Type | subshrub |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1 month, 10-16°C cuttings in late summer |
| Synonyms | Alyssum caliacrae Nyár. Alyssum caliacrae f. apricum Nyár. Alyssum caliacrae f extensum Nyár. Alyssum caliacrae var. humerosum Nyár. Alyssum caliacrae f. latirosulatum Nyár. Alyssum caliacrae var. sinuosum Nyár. Alyssum caliacrae var. subincisum Nyár. Alyssum tortuosum ssp. caliacrae (Nyár.) Stoj. & Stef. Odontarrhena tortuosa ssp. caliacrae (Nyár.) Španiel & al. |
| Territory | 1 Europe 13 Southeastern Europe (BUL Bulgaria, GRC Greece, ROM Romania, YUG Yugoslavia) 14 Eastern Europe (KRY Krym) |