Rauhia


Rauhia is a genus of bulbous, perennial plants in the family Amaryllidaceae endemic to Peru.

Description

Vegetative characteristics

Rauhia are bulbous, perennial plants with annual, ovate to oblong, fleshy, petiolate, glaucous leaves and large, solitary, tunicate, underground bulbs.

Generative characteristics

The stout, umbellate inflorescences with erect, solid scapes bear numerous pedicellate, infundibular to tubular, actinomorphic or zygomorphic, green to white flowers. The seeds are black or brown.

Cytology

The diploid chromosome count is 2n = 46.

Taxonomy

It was published by Hamilton Paul Traub in 1957 with Rauhia peruviana as the type species.

Species

, Plants of [the World Online] accepted the following species:
The generic name Rauhia refers to the German botanist Werner Rauh.

Ecology

It occurs on rocky slopes, and in open, seasonally dry woodlands at elevations of 1000–1500 m.

Cultivation

Rauhia multiflora is found in cultivation. Rauhia has been successfully used in intergeneric hybridisation with Eucrosia.