Plagiolirion
{{short description|Genus of plants}}
{{Speciesbox
| image = Plagiolirion_horsmannii.JPG
| image_caption =
| display_parents = 3
| genus = Plagiolirion
| parent_authority = Baker
| species = horsmannii
| synonyms_ref = {{Cite POWO|title=Plagiolirion horsmannii Baker|id=201154-2|access-date=2023-06-27|mode=cs1}}
| synonyms =
|range_map = Colombia in the world (W3).svg
|range_map_caption = Plagiolirion is endemic to Colombia
}}
Plagiolirion is a monotypic genus in the family Amaryllidaceae endemic to Colombia.{{Cite POWO|title=Plagiolirion Baker|id=1588-1|access-date=2023-06-27|mode=cs1}} It has only one known species, Plagiolirion horsmannii, which is rare in the wild and was thought to be extinct until it was rediscovered in the Río Cauca Valley in 1989.[https://www.jstor.org/discover/10.2307/2807573?sid=21106363498523&uid=4&uid=2 Alan W. Meerow and Philip Silverstone-Sopkin. 1995. The rediscovery of Plagiolirion horsmannii Baker (Amaryllidaceae) Brittonia 47(4): 426-431]
Description
=Vegetative characteristics=
Plagiolirion horsmannii is a bulbous,[https://www.google.de/books/edition/The_Gardeners_Chronicle/fu49AQAAMAAJ?hl=de&gbpv=1&dq=Plagiolirion&pg=PA105&printsec=frontcover The Gardeners' Chronicle: A Weekly Illustrated Journal of Horticulture and Allied Subjects.] p. 105. (1883). Vereinigtes Königreich: Gardeners Chronicle. perennial herb with subglobose or ovoid, tunicate, 5–6 cm long, and 5–5.5 cm wide bulbs with fleshy roots. The bulbs have offsets at the base.
=Generative characteristics=
The scapose, umbellate inflorescences with a terete, solid, erect, glaucous green, 49–66 cm long, and 0.5 cm wide scape, bears 10–41 white,[https://www.google.de/books/edition/Wiener_illustrirte_Garten_Zeitung/Qo6J4cLZKiYC?hl=de&gbpv=1&dq=Plagiolirion&pg=PA94&printsec=frontcover Wiener illustrirte Garten-Zeitung: Organ d. K. K. Gartenbau-Gesellschaft in Wien.] p. 94. (1884). Österreich: Frick. zygomorphic, inodorous, protrandrous, pedicellate, 2.5–3 cm long, and 3–4 cm wide flowers. The thin pedicels are 1.5–2 cm long.
=Cytology=
The diploid chromosome number of Plagiolirion horsmannii is 2n = 46.Silverstone-Sopkin, P. A. (2011). [https://books.google.de/books?id=MDmnEAAAQBAJ&lpg=PA26&hl=de&pg=PA24#v=onepage&q&f=false Los muertos vivientes: La historia natural de cuatro lirios amazónicos del suroccidente de Colombia (Eucharis y Plagiolirion, Amaryllidaceae).] pp. 24–25. Universidad del Valle.
Taxonomy
The genus and species were first described by John Gilbert Baker in 1883.Baker, J. G. (1883). [https://www.biodiversitylibrary.org/page/26130391 Plagiolirion horsmannii.] Gard. Chron, 2(38), 1888. The genus is placed in the tribe Eucharideae.Plagiolirion. (n.d.). Pacific Bulb Society. Retrieved March 4, 2025, from https://www.pacificbulbsociety.org/pbswiki/index.php/Plagiolirion
=Etymology=
The generic name Plagiolirion, from plagios meaning 'oblique' and leirion meaning 'lily',Weathers, J. (2009). [https://www.google.de/books/edition/The_Bulb_Book/xrH9G4QjvUIC?hl=de&gbpv=1&dq=Plagiolirion&pg=PA398&printsec=frontcover The Bulb Book.] p. 398. USA: Applewood Books. is derived from the floral morphology. The specific epithet horsmannii honours Fred Horsman,[https://www.google.de/books/edition/The_Garden/pklNAAAAYAAJ?hl=de&gbpv=1&dq=Plagiolirion&pg=PA42&printsec=frontcover The Garden: An Illustrated Weekly Journal of Gardening in All Its Branches.] p. 42. (1884). Vereinigtes Königreich: (n.p.). who imported the species to Colchester, United Kingdom.Weathers, J. (1890). [https://www.google.de/books/edition/Gardeners_Chronicle/r8wcuM3OsNsC?hl=de&gbpv=1&dq=Plagiolirion&pg=PA262&printsec=frontcover Plagiolirion horsmannii.] Gardeners’ Chronicle, p. 262.
Ecology
=Habitat=
References
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{{Taxonbar|from1=Q9060363|from2=Q15523623|from3=Q110989695|from4=Q110986156}}
Category:Monotypic Amaryllidaceae genera
Category:Endemic flora of Colombia