''Phaedranassa'' is a genus of

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...

n and

Central America Central America is a subregion of North America. Its political boundaries are defined as bordering Mexico to the north, Colombia to the southeast, the Caribbean to the east, and the Pacific Ocean to the southwest. Central America is usually ...

plant Plants are the eukaryotes that form the Kingdom (biology), kingdom Plantae; they are predominantly Photosynthesis, photosynthetic. This means that they obtain their energy from sunlight, using chloroplasts derived from endosymbiosis with c ...

s in

Amaryllis family The Amaryllidaceae are a family of herbaceous, mainly perennial and bulbous (rarely rhizomatous) flowering plants in the monocot order Asparagales. The family takes its name from the genus ''Amaryllis'' and is commonly known as the amaryllis fam ...

, subfamily

Amaryllidoideae Amaryllidoideae (Amaryllidaceae ''s.s.'', amaryllids) is a subfamily of monocot flowering plants in the Family (biology), family Amaryllidaceae, Order (biology), order Asparagales. The most recent Angiosperm Phylogeny Group, APG classification, A ...

.Herbert, William. 1845. Edwards's Botanical Register 31(misc.): page 16
descriptions in LatinHerbert, 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)''

Description

Vegetative characteristics

''Phaedranassa'' are bulbous,''Phaedranassa''. (n.d.). Pacific Bulb Society. Retrieved February 26, 2025, from https://www.pacificbulbsociety.org/pbswiki/index.php/Phaedranassa perennialNational Gardening Association. (n.d.). Queen Lily (''Phaedranassa''). Garden.org. Retrieved February 26, 2025, from https://garden.org/plants/view/528162/Queen-Lily-Phaedranassa/ herbsMerriam-Webster. (n.d.). ''Phaedranassa''. In Merriam-Webster.com dictionary. Retrieved February 26, 2025, from https://www.merriam-webster.com/dictionary/Phaedranassa with ovate,Rumpler, F. (1882).
Zweibelgewachse.
p. 388. (n.p.): (n.p.). long-necked bulbsEncyklopedie rostlin tropů a subtropů.
p. 129. (2023). (n.p.): Albatros Media a.s.. and contractile roots.Rimbach, A. (1898)
Die kontraktilen Wurzeln und ihre Thätigkeit.
Beitr. Wiss. Bot, 2, 1-28.Arber, A.(2010).
Monocotyledons: A Morphological Study.
p. 19. Vereinigtes Königreich: Cambridge University Press. Mature non-contractile roots are 15–30 cm long. The leaves are petiolate.

Generative characteristics

The tall, umbellate inflorescence with a thick, round, hollow scapeDie Natürlichen pflanzenfamilien nebst ihren gattungen und wichtigeren arten, insbesondere den nutzpflanzen, unter mitwirkung zahlreicher hervorragender fachgelehrten begründet.
p. 115. (1888). Deutschland: W. Engelmann. bears 5–15 tubular, inodorous,Howard, T. M. (2010).
Bulbs for Warm Climates.
pp. 127–128. Deutschland: University of Texas Press. actinomorphic,Byng, J. W. (2014).
The Flowering Plants Handbook: A practical guide to families and genera of the world.
�Vereinigtes Königreich: Plant Gateway Ltd.. pink, red, or yellow, green-banded flowers.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 The apex of the flowers is green. The stigma and stamens slightly extend beyond the floral tube. The flower has six tepals.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. The androecium consists of 6 stamens.Dietrich, L. F. (2022).
Encyklopädie der gesammten niederen und höheren Gartenkunst.
p. 733. (n.p.): Bod Third Party Titles. 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

Publication

The genus ''Phaedranassa'' Herb. was published by William Herbert in 1845. The type species is ''Phaedranassa chloracra'' (a synonym of ''Phaedranassa dubia'' )

Species

Plants of the World Online Plants of the World Online (POWO) is an online taxonomic database published by the Royal Botanic Gardens, Kew. History Following the Convention on Biological Diversity, the Royal Botanic Gardens in Kew launched Plants of the World Online i ...

accepted the following species:

Formerly included

Several names have been coined using the name ''Phaedranassa'' but referring to species now regarded as better suited in other genera (''

Eucrosia ''Eucrosia'' is a genus of herbaceous, perennial and bulbous plants in the Amaryllis family (Amaryllidaceae, subfamily Amaryllidoideae) distributed from Ecuador to Peru. The name is derived from the Greek , beautiful, and , a fringe, referring t ...

'', '' Rauhia'' and ''

Stenomesson ''Stenomesson'' is a genus of bulbous plants in the family Amaryllidaceae. All the species are native to western South America (Colombia, Ecuador, Peru and northern Chile).Meerow, Alan W. 2000. Phylogeny of the American Amaryllidaceae based on nr ...

'').Kew World Checklist of Selected Plant Families
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Ecology

The flowers are bird-pollinated.

Cultivation

''Phaedranassa'' are easily cultivated.

References

Amaryllidaceae genera Flora of Southern America Taxonomy articles created by Polbot Taxa named by William Herbert (botanist) {{Amaryllidaceae-stub