Zephyranthes subg. EitheaZephyranthes subg. Eithea is a subgenus of the genus Zephyranthes endemic to Brazil.DescriptionVegetative characteristicsZephyranthes subg. Eithea are 12–50 cm tall, bulbous plants with ovoid bulbs and 1–8 pseudopetiolate leaves.Generative characteristicsThe 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.CytologyThe chromosome count is 2n = 18.TaxonomyIt was first published as Eithea by Pedro Felix Ravenna in 2002 with Eithea blumenavia as the type species. It was included into the genus Zephyranthes as Zephyranthes subg. Eithea published by Nicolás García Berguecio in 2019.SpeciesIt has two species:Zephyranthes blumenavia ''Zephyranthes lagopaivae''ConservationZephyranthes blumenavia is Endangered, and Zephyranthes lagopaivae is Critically Endangered.