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Zephyranthes bifida

Oxblood Lily


Zephyranthes bifida

Traub (1953)
Azucenita Colorada

Family: Amaryllidaceae
Order: Asparagales
Class: Liliopsida
Phylum / Division: Magnoliophyta
Kingdom: Plantae

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Synonyms: Rhodophiala bifida.





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Description


Zephyranthes bifida, formerly Rhodophiala bifida and commonly the oxblood lily or schoolhouse lily, is a species of bulbous, terrestrial herb in the family Amaryllidaceae native to Argentina, Bolivia, Brazil, and Uruguay. it is cultivated in the Southern United States as an ornamental plant for its pink to red flowers.

 Vegetative characteristics: Zephyranthes bifida is a 15–40 cm tall, bulbous, terrestrial herb with ovoid to globose bulbs and green, linear, 15–30 cm long, and 3–7 mm wide leaves with an obtuse apex.
Generative characteristics: The androecium consists of 6 stamens. The stigma is trifid. The capsule fruit is 1.2–3 cm wide.

Cytology: The chromosome count is 2n = 16 or 2n = 18.

Taxonomy: It was first published as Habranthus bifidus by William Herbert in 1825. Long known as and still often called Rhodophiala bifida, it was placed into the genus Zephyranthes as Zephyranthes bifida by Nicolás García Berguecio and Alan W. Meerow in 2019.
It is placed in the monotypic subgenus Zephyranthes subg. Neorhodophiala.

Distribution: It is native to Argentina, Bolivia, Brazil, and Uruguay.

Cultivation: Z. bifida is found in cultivation. In the U.S., plants were first imported from Argentina popularized by a German immigrant to the Texas Hill Country. From Texas, they were distributed throughout the South as an heirloom plant. The cultivar from Texas, sometimes called ´Hill Country Red´, typically has dark red flowers (hence the name oxblood lily) with flowers blooming with autumn rains before the appearance of leaves.

Source: Wikipedia, article Zephyranthes bifida. Content adapted from Wikipedia, available under the CC BY-SA 4.0 license. Accessed on 17/07/2026.





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Foto
Photography ID: 461038
  Adult

San Manuel
Buenos Aires
Argentina
03/10/2018
Claudia Ramon



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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
145952910/03/2018ArgentinaBuenos AiresSan ManuelClaudia Ramon
Page 1

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Recommended citation
Please use the following reference when citing this species account.
EcoRegistros. 2026. Oxblood Lily (Zephyranthes bifida) – Species account. Accessed from www.ecoregistros.org on 18/09/2026.