Phaedranassa is a genus of South American and Central American plants in Amaryllis family, subfamily Amaryllidoideae.
Description
Phaedranassa are bulbous, perennial herbs with ovate, long-necked bulbs and contractile roots. Mature non-contractile roots are 15–30 cm long. The leaves are petiolate.
The tall, umbellate inflorescence with a thick, round, hollow scape bears 5–15 tubular, inodorous, actinomorphic, pink, red, or yellow, green-banded flowers. The apex of the flowers is green. The stigma and stamens slightly extend beyond the floral tube. The flower has six tepals. The androecium consists of 6 stamens. The gynoecium consists of 3 carpels. The stigma is clavate. The many-seeded capsule fruit bears papery seeds.
The chromosome count is 2n = 46.
Vegetative characteristics
Phaedranassa are bulbous, perennial herbs with ovate, long-necked bulbs and contractile roots. Mature non-contractile roots are 15–30 cm long. The leaves are petiolate.
Generative characteristics
The tall, umbellate inflorescence with a thick, round, hollow scape bears 5–15 tubular, inodorous, actinomorphic, pink, red, or yellow, green-banded flowers. The apex of the flowers is green. The stigma and stamens slightly extend beyond the floral tube. The flower has six tepals. The androecium consists of 6 stamens. The gynoecium consists of 3 carpels. The stigma is clavate. The many-seeded capsule fruit bears papery seeds.
Cytology
The chromosome count is 2n = 46.
Taxonomy
The genus Phaedranassa Herb. was published by William Herbert in 1845. The type species is Phaedranassa chloracra Herb. (a synonym of Phaedranassa dubia (Kunth) J.F.Macbr.)
As of June 2023, Plants of the World Online accepted the following species:
