Rauhia

Rauhia
Rauhia multiflora
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Amaryllidoideae
Tribe: Eucharideae
Genus: Rauhia
Traub[1]
Type species
Rauhia peruviana Traub[2]
It is endemic to Peru[1]

Rauhia is a genus of bulbous,[3] perennial plants[4] in the family Amaryllidaceae endemic to Peru.[1][5][6][7]

Description

Rauhia multiflora bulb with scale bar (10 cm)

Vegetative characteristics

Rauhia are bulbous,[3] perennial plants[4] with annual,[8] ovate to oblong, fleshy, petiolate, glaucous leaves[9] and large,[8] solitary, tunicate, underground bulbs.[4]

Generative characteristics

The stout,[9] umbellate inflorescences with erect, solid scapes[4] bear numerous pedicellate, infundibular to tubular,[9] actinomorphic or zygomorphic,[8][10] green[9] to white flowers.[4] The seeds are black or brown.[3][8]

Cytology

The diploid chromosome count is 2n = 46.[8]

Taxonomy

It was published by Hamilton Paul Traub in 1957 with Rauhia peruviana Traub as the type species.[2]

Species

As of June 2023, Plants of the World Online accepted the following species:[1]

Etymology

The generic name Rauhia refers to the German botanist Werner Rauh (1913-2000).[9][4]

Ecology

It occurs on rocky slopes, and in open, seasonally dry woodlands at elevations of 1000–1500 m.[3][8]

Cultivation

Rauhia multiflora is found in cultivation.[4] Rauhia has been successfully used in intergeneric hybridisation with Eucrosia.[11]

References

  1. ^ a b c d "Rauhia Traub". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2023-06-27.
  2. ^ a b Missouri Botanical Garden. (n.d.-x). Rauhia Traub. Tropicos. Retrieved January 6, 2025, from https://www.tropicos.org/name/40022909
  3. ^ a b c d Rauhia. (n.d.). Pacific Bulb Society. Retrieved January 6, 2025, from https://www.pacificbulbsociety.org/pbswiki/index.php/Rauhia
  4. ^ a b c d e f g Arroyo-Leuenberger, S. (2020). Rauhia AMARYLLIDACEAE. In: Eggli, U., Nyffeler, R. (eds) Monocotyledons. Illustrated Handbook of Succulent Plants. Springer, Berlin, Heidelberg.
  5. ^ Hamilton Paul Traub. 1957. Plant Life 13: 74.
  6. ^ 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
  7. ^ 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
  8. ^ a b c d e f 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.
  9. ^ a b c d e Leuenberger, B. E., & Arroyo-Leuenberger, S. (2006). Humboldt, Bonpland, Kunth and the type specimen of Rauhia multiflora (Amaryllidaceae) from Peru. Willdenowia, 601-610.
  10. ^ 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..
  11. ^ 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).

 

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