Zephyranthes subg. Zephyranthes is a subgenus of the genus Zephyranthes in the amaryllis family of flowering plants.[1][2]

Description

Vegetative characteristics

Species in the genus are bulbous, 4–50 cm tall plants with or ovoid, globose, or pyriform bulbs. The annual or persistent, linear leaves are 10–30(–60) cm long, and (1–)2–9(–13) mm wide.[1]

Generative characteristics

The 1–2 flowered inflorescence bears actinomorphic or zygomorphic flowers. The stigma is trifid to trilobed. The capsule fruit bears papery, black, flat, sometimes winged seeds.[1]

Cytology

The basic chromosome number is x = 6.[3] Various chromosome counts have been observed: 2n = 12, 14, 20, 24, 28, 30, 32, 36, 38, 48, 54, 60, 72, 110.[1]

Taxonomy

The subgenus name is an autonym.[2]

Species

About 150 species are recognised:[1]

Distribution

Mexico is a centre of diversity of Zephyranthes subg. Zephyranthes.[4]

References

  1. ^ 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.
  2. ^ a b Missouri Botanical Garden. (n.d.-aq). Zephyranthes subg. Zephyranthes. Tropicos. Retrieved February 27, 2025, from https://www.tropicos.org/name/100496008
  3. ^ Gianini Aquino, A. C., González Flores, M., Honfi, A. I., & Daviña, J. R. (2023). Heterochromatin patterns in four diploid Zephyranthes species with different basic chromosome number (Amaryllidaceae). Darwiniana, nueva serie, 11(2), 705-718.
  4. ^ Valdes Ibarra, C., Munguía Lino, G., & Rodríguez, A. (2023). Riqueza de especies y distribución geográfica de la subtribu Hippeastrinae (Amaryllidaceae) en México. Boletín de la Sociedad Argentina de Botánica, 58(3), 3-3.
Allikas: http://en.wikipedia.org/wiki/Zephyranthes_subg._Zephyranthes
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