Rauhia is a genus of bulbous,[ perennial plants][ in the family Amaryllidaceae endemic to Peru.][Hamilton Paul Traub. 1957. Plant Life 13: 74.][Brako, L. & J. L. Zarucchi. (eds.) 1993. Catalogue of the Flowering Plants and Gymnosperms of Peru. Monographs in systematic botany from the Missouri Botanical Garden 45: i–xl, 1–1286][León, B., J. Roque, C. Ulloa Ulloa, N. C. A. Pitman, P. M. Jørgensen & A. Cano E. 2006 2007. El Libro Rojo de las Plantas Endémicas del Perú. Revista Peruana de Biologia 13(núm. 2 especial): 1s–971s]
Description
Vegetative characteristics
Rauhia are bulbous,
[ Rauhia
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/ref> perennial plants[Arroyo-Leuenberger, S. (2020). Rauhia AMARYLLIDACEAE. In: Eggli, U., Nyffeler, R. (eds) Monocotyledons. Illustrated Handbook of Succulent Plants. Springer, Berlin, Heidelberg. ] with annual,[ ovate to oblong, fleshy, petiolate, glaucous leaves][ and large,][Meerow, A.W., Snijman, D.A. (1998). Amaryllidaceae. In: Kubitzki, K. (eds) Flowering Plants · Monocotyledons. The Families and Genera of Vascular Plants, vol 3. Springer, Berlin, Heidelberg. ] solitary, tunicate, underground bulbs.[
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Generative characteristics
The stout,[ umbellate inflorescences with erect, solid scapes][ bear numerous pedicellate, infundibular to tubular,][ actinomorphic or zygomorphic,][Byng, J. W. (2014). The Flowering Plants Handbook: A practical guide to families and genera of the world. p. 88. Vereinigtes Königreich: Plant Gateway Ltd..] green[ to white flowers.][ The seeds are black or brown.][
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Cytology
The diploid chromosome count is 2n = 46.[
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Taxonomy
It was published by Hamilton Paul Traub in 1957 with Rauhia peruviana as the type species.[Missouri Botanical Garden. (n.d.-x). Rauhia
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Species
, Plants of the World Online accepted the following species:
Etymology
The generic name Rauhia refers to the German botanist Werner Rauh (1913-2000).[Leuenberger, B. E., & Arroyo-Leuenberger, S. (2006). Humboldt, Bonpland, Kunth and the type specimen of Rauhia multiflora (Amaryllidaceae) from Peru. Willdenowia, 601-610.][
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Ecology
It occurs on rocky slopes, and in open, seasonally dry woodlands at elevations of 1000–1500 m.[
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Cultivation
Rauhia multiflora is found in cultivation.[ Rauhia has been successfully used in intergeneric hybridisation with Eucrosia.][Meerow, A. W., Roh, M., & Lawson, R. S. (1992, May). Breeding of Eucrosia (Amaryllidaceae) for cutflower and pot plant production. In VI International Symposium on Flower Bulbs 325 (pp. 555-560).]
