{{Short description|Subgenus of flowering plants}} {{Automatic taxobox |image = Zephyranthes blumenavia (K.Koch & C.D.Bouché ex Carrière) Nic.García & Dutilh, Taxon 68- 492 (2019).jpg |image_caption = ''Zephyranthes blumenavia'' |taxon = Zephyranthes subg. Eithea |authority = (Ravenna) Nic.García<ref name = "Tropicos b">Missouri Botanical Garden. (n.d.-v). ''Zephyranthes'' subg. ''Eithea'' (Ravenna) Nic. García. Tropicos. Retrieved January 28, 2025, from https://www.tropicos.org/name/100496093</ref> |subdivision_ranks = Species |subdivision = See here |synonyms = |synonyms_ref = |type_species = ''Zephyranthes blumenavia'' |type_species_authority = (K.Koch & C.D.Bouché ex Carrière) Nic.García & Dutilh |range_map = Brazil in the world (W3).svg |range_map_caption = It is endemic to Brazil<ref name = "García et al., 2019" /> }}
'''''Zephyranthes'' subg. ''Eithea''''' is a subgenus of the genus ''Zephyranthes''<ref name = "García et al., 2019" /><ref name = "Tropicos b" /> endemic to Brazil.<ref name = "García et al., 2019" />
==Description== thumb|right|''Zephyranthes blumenavia'' inflorescence ===Vegetative characteristics=== ''Zephyranthes'' subg. ''Eithea'' are 12–50 cm tall, bulbous plants with ovoid bulbs and 1–8 pseudopetiolate leaves.<ref name = "García et al., 2019" /> ===Generative characteristics=== The 1–6 pedicellate, zygomorphic, campanulate to infundibuliform flowers are produced on pseudo-umbellate inflorescences with 8–30 cm long, and 2–6 mm wide scapes.<ref name = "García et al., 2019" />
==Cytology== The chromosome count is 2n = 18.<ref name = "García et al., 2019" />
==Taxonomy== It was first published as ''Eithea'' {{au|Ravenna}} by Pedro Felix Ravenna in 2002<ref name = "IPNI a">''Eithea'' Ravenna. (n.d.). International Plant Names Index. Retrieved January 28, 2025, from https://www.ipni.org/n/20007210-1</ref> with ''Eithea blumenavia'' {{au|(Carrière) Ravenna}} as the type species.<ref name = "Tropicos a">Missouri Botanical Garden. (n.d.-l). ''Eithea'' Ravenna. Tropicos. Retrieved January 28, 2025, from https://www.tropicos.org/name/100184394</ref> It was included into the genus ''Zephyranthes'' {{au|Herb.}} as ''Zephyranthes'' subg. ''Eithea'' {{au|(Ravenna) Nic.García}} published by Nicolás García Berguecio in 2019.<ref name = "IPNI b">''Zephyranthes'' subgen. ''Eithea'' (Ravenna) Nic.García. (n.d.). International Plant Names Index. Retrieved January 28, 2025, from https://www.ipni.org/n/77203263-1</ref><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> ===Species=== It has two species:<ref name = "García et al., 2019" /> *''Zephyranthes blumenavia'' {{au|(K.Koch & C.D.Bouché ex Carrière) Nic.García & Dutilh}} *''Zephyranthes lagopaivae'' {{au|(Campos-Rocha & Dutilh) Nic.García & Dutilh}}
==Conservation== ''Zephyranthes blumenavia'' is Endangered (EN), and ''Zephyranthes lagopaivae'' is Critically Endangered (CR).<ref name = "Campos-Rocha et al., 2017">Campos-Rocha, A., Meerow, A. W., Lopes, E. F. M., Semir, J., Mayer, J. L. S., & Dutilh, J. H. A. (2017). [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5624176/ ''Eithea lagopaivae'', a new critically endangered species in the previously monotypic genus ''Eithea'' Ravenna (Amaryllidaceae).] PhytoKeys, (85), 45.</ref>
==References== {{Reflist}}
{{Taxonbar|from=Q93964800|from2=Q5820516}}
* Category:Plant subgenera Category:Flora of Brazil Category:Endemic flora of Brazil