Zephyranthes bifida

Zephyranthes bifida
Zephyranthes bifida flower
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Amaryllidoideae
Genus: Zephyranthes
Species:
Z. bifida
Binomial name
Zephyranthes bifida
(Herb.) Nic.García & Meerow[1]
Synonyms[2]
List
  • Amaryllis bifida (Herb.) Spreng.
  • Habranthus bifidus Herb.
  • Hippeastrum bifidum (Herb.) Baker
  • Myostemma bifida (Herb.) Ravenna
  • Rhodophiala bifida (Herb.) Traub
  • Amaryllis angusta (Herb.) Schult. & Schult.f.
  • Amaryllis bifida var. pulchra (Herb.) Traub & Moldenke
  • Amaryllis bifida var. spathacea (Herb.) Traub & Moldenke
  • Amaryllis bonariensis (Kuntze) Traub & Uphof
  • Amaryllis granatiflora (E.Holmb.) Traub & Uphof
  • Amaryllis intermedia Lindl.
  • Amaryllis kermesiana var. nemoralis (Herb.) Seub.
  • Amaryllis kermesina Lindl.
  • Amaryllis lorifolia (Herb.) Steud.
  • Amaryllis platensis (E.Holmb.) Traub & Uphof
  • Amaryllis pulchra (Herb.) Traub & Uphof
  • Habranthus angustus Herb.
  • Habranthus bifidus var. litoralis Herb.
  • Habranthus intermedius Herb.
  • Habranthus kermesinus (Lindl.) Herb.
  • Habranthus litoralis (Herb.) M.Roem.
  • Habranthus lorifolius Herb.
  • Habranthus nemoralis Herb.
  • Habranthus nobilis Herb.
  • Habranthus pulcher Herb.
  • Habranthus spathaceus Herb.
  • Habranthus spathaceus var. angustus (Herb.) Herb.
  • Hippeastrum bifidum var. spathaceum (Herb.) H.E.Moore
  • Hippeastrum bonariense Kuntze
  • Hippeastrum granatiflorum E.Holmb.
  • Hippeastrum kermesinum (Lindl.) Herter
  • Hippeastrum nemorale (Herb.) Herter
  • Hippeastrum platense E.Holmb.
  • Hippeastrum platense var. angustum (Herb.) E.Holmb.
  • Hippeastrum pulchrum (Herb.) E.Holmb.
  • Myostemma bifida f. granatiflora (E.Holmb.) Ravenna
  • Phycella bonariensis (Kuntze) Traub
  • Phycella granatiflora (E.Holmb.) Traub
  • Rhodophiala bifida subsp. aemantha Ravenna
  • Rhodophiala bifida subsp. granatiflora (E.Holmb.) Ravenna
  • Rhodophiala bifida var. pulchra (Herb.) Traub
  • Rhodophiala bifida subsp. purpurea Ravenna
  • Rhodophiala bifida var. spathacea (Herb.) Traub
  • Rhodophiala spathacea (Herb.) Traub

Zephyranthes bifida, formerly Rhodophiala bifida[3] and commonly the oxblood lily[3] or schoolhouse lily,[4] is a species of bulbous,[5] terrestrial herb[1] in the family Amaryllidaceae native to Argentina, Bolivia, Brazil, and Uruguay.[2] it is cultivated in the Southern United States as an ornamental plant for its pink to red flowers.

Description

Vegetative characteristics

Zephyranthes bifida is a 15–40 cm tall, bulbous,[5] terrestrial herb[1] with ovoid to globose bulbs and green, linear, 15–30 cm long, and 3–7 mm wide leaves with an obtuse apex.[5]

Generative characteristics

The androecium consists of 6 stamens.[1] The stigma is trifid. The capsule fruit is 1.2–3 cm wide.[6]

Cytology

The chromosome count is 2n = 16 or 2n = 18.[5]

Taxonomy

It was first published as Habranthus bifidus Herb. by William Herbert in 1825.[7] Long known as and still often called Rhodophiala bifida,[8] it was placed into the genus Zephyranthes Herb. as Zephyranthes bifida (Herb.) Nic.García & Meerow by Nicolás García Berguecio and Alan W. Meerow in 2019.[2] It is placed in the monotypic subgenus Zephyranthes subg. Neorhodophiala.[5]

Distribution

It is native to Argentina, Bolivia, Brazil, and Uruguay.[2]

Cultivation

Z. bifida is found in cultivation.[9][10] In the U.S., plants were first imported from Argentina popularized by a German immigrant to the Texas Hill Country.[4] From Texas, they were distributed throughout the South as an heirloom plant.[4] The cultivar from Texas, sometimes called 'Hill Country Red',[8] typically has dark red flowers (hence the name oxblood lily)[9] with flowers blooming with autumn rains[4] before the appearance of leaves.[4][9]

References

  1. ^ a b c d Dutilh, J. H. A., Campos-Rocha, A., Garcia, N., Streher, N. S., Semir, J., Meerow, A. W., Giussani, L. M., Oliveira, R. S., Sassone, A. B., & Jardim Botânico do Rio de Janeiro. (n.d.). Zephyranthes bifida (Herb.) Nic. García & Meerow. Flora E Funga Do Brasil. Retrieved February 6, 2025, from https://floradobrasil.jbrj.gov.br/FB611333
  2. ^ a b c d Zephyranthes bifida (Herb.) Nic.García & Meerow. Plants of the World Online. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77207323-1
  3. ^ a b Grant, Greg (2011). "A Garden in a Wilderness: German Influence". In Welch, William C.; Grant, Greg (eds.). Heirloom Gardening in the South: Yesterday's Plants for Today's Gardens. College Station, Texas: Texas A&M University Press. p. 44. ISBN 978-1-60344-213-8.
  4. ^ a b c d e Welch, William C. (2011). "Naturalizing Daffodils and Other Southern Bulbs". In Welch, William C.; Grant, Greg (eds.). Heirloom Gardening in the South: Yesterday's Plants for Today's Gardens. College Station, Texas: Texas A&M University Press. p. 100. ISBN 978-1-60344-213-8.
  5. ^ a b c d e García, N., Meerow, A. W., Arroyo‐Leuenberger, S., Oliveira, R. S., Dutilh, J. H., Soltis, P. S., & Judd, W. S. (2019). Generic classification of Amaryllidaceae tribe Hippeastreae. Taxon, 68(3), 481-498.
  6. ^ Macaya-Berti, J., Teillier, S., & Serra, M. T. (n.d.). Zephyranthes bifida (Herb.) - Nic. Garcia & Meerow. Enciclopedia Ilustrada De Las Especies De Plantas Exóticas Que Se Cultivan En Chile. Retrieved February 7, 2025, from http://www.chlorischile.cl/enciclopedia%20macaya/enciclopedia-angiospermas/Amaryllidaceae/rhodophiala%20bifida.htm
  7. ^ Habranthus bifidus Herb. (n.d.). International Plant Names Index. Retrieved January 28, 2025, from https://www.ipni.org/n/64596-1
  8. ^ a b Ruhren, Doug (12 September 2024). "Hill Country Red Perfection". Juniper Level Botanic Garden website. Retrieved 25 October 2025.
  9. ^ a b c Rhodophiala. (n.d.). Pacific Bulb Society. Retrieved January 28, 2025, from https://www.pacificbulbsociety.org/pbswiki/index.php/rhodophiala
  10. ^ Rhodophiala bifida - plant of the month sept 2014. (2014, September). Alpine Garden Society. Retrieved January 28, 2025, from http://archive.alpinegardensociety.net/plants/plant-portraits/Rhodophiala%20bifida%20plant%20of%20the%20month%20sept%20/98/