Phaedranassa is a genus of South American and Central American plants in Amaryllis family, subfamily Amaryllidoideae.[3][2][4][5]

Description

Vegetative characteristics

Phaedranassa are bulbous,[6] perennial[7] herbs[8] with ovate,[9] long-necked bulbs[10] and contractile roots.[11][12] Mature non-contractile roots are 15–30 cm long.[12] The leaves are petiolate.[13]

Generative characteristics

The tall,[8] umbellate inflorescence[6] with a thick, round,[9] hollow scape[9][14] bears 5–15 tubular,[6] inodorous,[13] actinomorphic,[15] pink, red, or yellow, green-banded flowers.[16] The apex of the flowers is green.[17] The stigma and stamens slightly extend beyond the floral tube.[10] The flower has six tepals.[18] The androecium consists of 6 stamens.[18][17] The gynoecium consists of 3 carpels.[9][18] The stigma is clavate.[3] The many-seeded capsule fruit[18] bears papery seeds.[6]

Cytology

The chromosome count is 2n = 46.[13]

Taxonomy

Publication

The genus Phaedranassa Herb. was published by William Herbert in 1845.[19] The type species is Phaedranassa chloracra Herb.[1] (a synonym of Phaedranassa dubia (Kunth) J.F.Macbr.)[20]

Species

As of June 2023, Plants of the World Online accepted the following species:[19]

Formerly included

Several names have been coined using the name Phaedranassa but referring to species now regarded as better suited in other genera (Eucrosia, Rauhia and Stenomesson).[21]

Ecology

The flowers are bird-pollinated.[13]

Cultivation

Phaedranassa are easily cultivated.[6]

References

  1. ^ a b Phaedranassa | International Plant Names Index. (n.d.). Retrieved January 17, 2024, from https://www.ipni.org/n/30014159-2
  2. ^ a b Herbert, William. 1845. Edwards's Botanical Register 31(misc.): plate 17 plus two subsequent text pages descriptions in Latin, commentary in English; full-page color illustration of Phaedranassa chloracra (syn of P. dubia)
  3. ^ a b Herbert, William. 1845. Edwards's Botanical Register 31(misc.): page 16 descriptions in Latin
  4. ^ Stevens, P.F., Angiosperm Phylogeny Website: Asparagales: Amaryllidoideae
  5. ^ Jørgensen, P.M. & León-Yánes, S. (eds.) (1999). Catalogue of the Vascular Plants of Ecuador: 1-1181. Missouri Botanical Garden Press, St. Louis.
  6. ^ a b c d e Phaedranassa. (n.d.). Pacific Bulb Society. Retrieved February 26, 2025, from https://www.pacificbulbsociety.org/pbswiki/index.php/Phaedranassa
  7. ^ National Gardening Association. (n.d.). Queen Lily (Phaedranassa). Garden.org. Retrieved February 26, 2025, from https://garden.org/plants/view/528162/Queen-Lily-Phaedranassa/
  8. ^ a b Merriam-Webster. (n.d.). Phaedranassa. In Merriam-Webster.com dictionary. Retrieved February 26, 2025, from https://www.merriam-webster.com/dictionary/Phaedranassa
  9. ^ a b c d Rumpler, F. (1882). Zweibelgewachse. p. 388. (n.p.): (n.p.).
  10. ^ a b Encyklopedie rostlin tropů a subtropů. p. 129. (2023). (n.p.): Albatros Media a.s..
  11. ^ Rimbach, A. (1898). Die kontraktilen Wurzeln und ihre Thätigkeit. Beitr. Wiss. Bot, 2, 1-28.
  12. ^ a b Arber, A.(2010). Monocotyledons: A Morphological Study. p. 19. Vereinigtes Königreich: Cambridge University Press.
  13. ^ a b c d Howard, T. M. (2010). Bulbs for Warm Climates. pp. 127–128. Deutschland: University of Texas Press.
  14. ^ Die Natürlichen pflanzenfamilien nebst ihren gattungen und wichtigeren arten, insbesondere den nutzpflanzen, unter mitwirkung zahlreicher hervorragender fachgelehrten begründet. p. 115. (1888). Deutschland: W. Engelmann.
  15. ^ Byng, J. W. (2014). The Flowering Plants Handbook: A practical guide to families and genera of the world. Vereinigtes Königreich: Plant Gateway Ltd..
  16. ^ Chapman, D. (2010, July 5). Phaedranassa. The Bulb Maven. Retrieved February 26, 2025, from https://thebulbmaven.typepad.com/the_bulb_maven/2010/07/phaedranassa.html
  17. ^ a b Dietrich, L. F. (2022). Encyklopädie der gesammten niederen und höheren Gartenkunst. p. 733. (n.p.): Bod Third Party Titles.
  18. ^ a b c d Bosse, J. F. W. (1861). Vollstandiges Handbuch der Blumen-gartnerei;oder,Genaue Beschreibung fast aller in Deutschland bekannt gewordenen Zierpflanzen, mit Einschluss der Palmen und der vorzuglichsten Strauche und Baume, welche zu Lustanlagen benutzt werden. pp. 87–88. Deutschland: Hahn.
  19. ^ a b "Phaedranassa Herb." Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2023-06-27.
  20. ^ "Phaedranassa dubia (Kunth) J.F.Macbr". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 17 January 2024.
  21. ^ Kew World Checklist of Selected Plant Families
Allikas: https://en.wikipedia.org/wiki/Phaedranassa
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