Herbaceous plants or shrubs, perennial, 20-150 cm tall. Stem erect or ascending, branched or not, pubescent, glabra to the base. Leaves opposite or vertical every 3, petiolate, lamina ovat-lanceolata, pubescent. Blossom terminal or axillary, with bractei foliage, flowers in axillary solitary or Cime umbele Sesi or pedunculate.

Plants with succulent stems, leaves and flowers unisexuate asymmetric, long pedunculate, grouped dichaziu terminal. ♂ flowers usually are obsolete, consisting of 4 petals oval, two of which are shorter, the ♀ consist of 4 petals equal, persistent.

Shrub erect, 1-2 m high. Stem and branches thin. Leaves ovat-lanceolata, dark green. Flowers blue-violet and yellow in the center, 2.5 cm diameter, anther yellow. Blooms in April-August.

Perennial, stem thick, not very branched, 30-50 cm high. Rotundiforme leaves, 5-7 lobes, tomentoase, ribs obvious upside. Zigomorfe flowers, single or double, meeting in umbele. Calyx with 5 SEPA, green, lanceolata, acute. Corola 4.5-5 cm diameter, 5.7 petals, orbiculare, 2.3-1.8 cm. Blooms in March-septmbrie.

Herbaceous perennial, evergreen. Pseudobulb 8 x 4 cm. 1.2 leaves, elliptic-lanceolata, or elliptic-oblong, obtuse, 23 x 3 cm. Raceme blossom or panic, 100 cm long, 15-35 flowers, flower 5 cm diameter.