Paposoa

{{Short description|Species of plant}} {{Speciesbox | image = Paposoa laeta imported from iNaturalist photo 57735806 on 25 October 2023.jpg | image_caption = | display_parents = 3 | genus = Paposoa | parent_authority = Nic.García | species = laeta | authority = (Phil.) Nic.García |synonyms_ref = <ref name = "POWO a">''Paposoa laeta'' (Phil.) Nic.García. (n.d.). Plants of the World Online. Retrieved March 8, 2025, from https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77210018-1</ref> |synonyms = {{Species list|hidden=yes |Amaryllis atacamensis |Traub & Uphof |Eremolirion laetum |(Phil.) Nic.García |Rhodolirium laetum |(Phil.) Ravenna |Rhodophiala laeta |Phil. |Amaryllis uniflora |(Phil.) Traub & Uphof |Habranthus pratensis var. quadriflorus |Herb. |Hippeastrum uniflorum |(Phil.) Baker |Rhodophiala uniflora |Phil.}} |range_map = Chile in the world (de-facto) (W3).svg |range_map_caption = It is endemic to Chile<ref name = "Endemic Plants of Chile" /> }}

'''''Paposoa laeta''''' is the only species of the monotypic genus '''''Paposoa''''' in the family Amaryllidaceae endemic to northern and central Chile.<ref name = "POWO b">''Paposoa'' Nic.García. (n.d.). Plants of the World Online. Retrieved March 8, 2025, from https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77210017-1</ref>

==Description== ===Vegetative characteristics=== ''Paposoa laeta'' is a bulbous,<ref name = "Fundacion Philippi" /> over 10 cm tall plant with ovoid,<ref name = "García et al., 2019" /> tunicate bulbs<ref name = "Fundacion Philippi" /> bearing flat,<ref name = "Philippi, 1860">Philippi, Rodolfo Amando. (1860). Florula Atacamensis; seu, Enumeratio plantarum, quas in itinere per desertum Atacamense (p. 51). Sumptibus E. Anton. https://www.biodiversitylibrary.org/page/58827295</ref> linear,<ref name = "Fundacion Philippi" /> 30–60 cm long, and 5–9 mm wide leaves.<ref name = "García et al., 2019" /> ===Generative characteristics=== The inflorescence with a hollow,<ref name = "Philippi, 1860" /> 10–30 cm long, and 2–4 mm wide scape<ref name = "García et al., 2019" /> bears 1–7<ref name = "Fundacion Philippi" /> violet to purple,<ref name = "Philippi, 1860" /> zygomorphic flowers.<ref name = "García et al., 2019" /> The flowers have 6 tepals. The androecium consists of 6 stamens. The gynoecium consists of 3 carpels. The trilocular capsule fruit bears flat,<ref name = "Fundacion Philippi" /> shiny, black seeds.<ref name = "García et al., 2019" /> ===Cytology=== The chromosome count is 2n = 16.<ref name = "García et al., 2019" />

==Taxonomy== It was described as ''Rhodophiala laeta'' {{au|Phil.}} by Rodolfo Amando Philippi in 1860.<ref name = "Philippi, 1860" /><ref name = "POWO a" /> A new genus ''Eremolirion'' {{au|Nic.García}} was described by Nicolás García Berguecio in 2019,<ref name = "García et al., 2019">García, N., Meerow, A. W., Arroyo‐Leuenberger, S., Oliveira, R. S., Dutilh, J. H., Soltis, P. S., & Judd, W. S. (2019). [https://fundacionphilippi.cl/wp-content/uploads/2020/08/Amaryllidaceae-tribu-Hippeastreae.pdf Generic classification of Amaryllidaceae tribe Hippeastreae.] Taxon, 68(3), 481-498.</ref> but due to confusion with the similarly named ''Eremiolirion'' {{au|J.C.Manning & F.Forest}} (Tecophilaeaceae), a new genus ''Paposoa'' {{au|Nic.García}} and species ''Paposoa laeta'' {{au|(Phil.) Nic.García}} was required and published by García in 2020.<ref name = "García & Meerow, 2020">García, N., & Meerow, A. W. (2020). [https://onlinelibrary.wiley.com/doi/10.1002/tax.12208 Corrigendum to: García & al., Generic classification of Amaryllidaceae tribe Hippeastreae [in Taxon 68: 481–498. 2019].] Taxon, 69(1), 208-209.</ref> Within the tribe Hippeastreae, it is placed in the subtribe Traubiinae.<ref name = "Garcia et al., 2024">Garcia, N., Fuentes-Castillo, T., Roman, M. J., & Folk, R. A. (2024). [https://www.authorea.com/doi/pdf/10.22541/au.173314648.84434697 Integration of genomic phylogeography, morphological variation and climatic niche reveal speciation mechanisms across southern Andean lilies (''Phycella'', Hippeastreae, Amaryllidaceae).]</ref> ===Etymology=== The generic name ''Paposoa'' refers to Paposo, Chile.<ref name = "Rehbein, 2020">Rehbein, C. (2020, June 1). “''Paposoa'' Nic. García” el nuevo género chileno para un tipo de plantas: tiene una sola especie llamada “añañuca rosada” que es pariente del ajo y la cebolla. Publimetro Chile. https://www.publimetro.cl/cl/noticias/2020/06/01/garcia-planta-ananuca-cebolla.html</ref> The specific epithet ''laeta'' means bright,<ref>Aloe laeta A.Berger. (n.d.). LLIFLE - Encyclopedia of Living Forms. Retrieved March 8, 2025, from https://www.llifle.com/Encyclopedia/SUCCULENTS/Family/Aloaceae/12219/Aloe_laeta</ref>

==Distribution and habitat== It occurs in the Atacama and Antofagasta regions,<ref name = "Endemic Plants of Chile" /><ref name = "Fundacion Philippi">''Paposoa laeta''. (2024, July 26). Fundación R.A. Philippi. Retrieved March 8, 2025, from https://fundacionphilippi.cl/catalogo/paposoa-laeta/</ref> where it is found in desert and desert fog oases (Lomas).<ref name = "Endemic Plants of Chile">Royal Botanic Garden Edinburgh & Fundación Chilco. (n.d.-b). ''Paposoa laeta'' (Phil.) Nic.García. The Endemic Plants of Chile. Retrieved March 8, 2025, from https://chileanendemics.rbge.org.uk/taxa/paposoa-laeta-phil-nic-garc%C3%ADa#biogeography</ref>

==Conservation== It has a restricted habitat and distribution.<ref name = "García et al., 2019" />

== References == {{Reflist|20em}}

Category:Amaryllidoideae Category:Monotypic Amaryllidaceae genera Category:Endemic flora of Chile