Zephyranthes subg. Eithea

Zephyranthes subg. Eithea is a subgenus of the genus Zephyranthes^[2][1] endemic to Brazil.^[2]

Zephyranthes subg. Eithea
Zephyranthes blumenavia
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Amaryllidaceae
Subfamily:	Amaryllidoideae
Genus:	Zephyranthes
Subgenus:	Zephyranthes subg. Eithea (Ravenna) Nic.García[1]
Type species
Zephyranthes blumenavia (K.Koch & C.D.Bouché ex Carrière) Nic.García & Dutilh
Species
See here
It is endemic to Brazil[2]

Description

Zephyranthes blumenavia inflorescence

Vegetative characteristics

Zephyranthes subg. Eithea are 12–50 cm tall, bulbous plants with ovoid bulbs and 1–8 pseudopetiolate leaves.^[2]

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.^[2]

Cytology

The chromosome count is 2n = 18.^[2]

Taxonomy

It was first published as Eithea Ravenna by Pedro Felix Ravenna in 2002^[3] with Eithea blumenavia (Carrière) Ravenna as the type species.^[4] It was included into the genus Zephyranthes Herb. as Zephyranthes subg. Eithea (Ravenna) Nic.García published by Nicolás García Berguecio in 2019.^[5][2]

Species

It has two species:^[2]

• Zephyranthes blumenavia (K.Koch & C.D.Bouché ex Carrière) Nic.García & Dutilh
• Zephyranthes lagopaivae (Campos-Rocha & Dutilh) Nic.García & Dutilh

Conservation

Zephyranthes blumenavia is Endangered (EN), and Zephyranthes lagopaivae is Critically Endangered (CR).^[6]