Hippeastrum subg. Hippeastrum is a subgenus of the genus HippeastrumMeerow, A. W. (2023). Clasificación y filogenia de Amaryllidaceae, la síntesis moderna y el camino por recorrer: una revisión. Boletín de la Sociedad Argentina de Botánica, 58(3), 4-4. native to South America.
Description Vegetative characteristics Hippeastrum subg. Hippeastrum are bulbous, (15–)30–100 cm tall plants with globose bulbs bearing usually annual leaves. Generative characteristics The scapose, (1–)2–4(–8)-flowered inflorescence with a 2–30 cm long, and 1–6 mm wide scape bears pedicellate, zygomorphic flowers. Cytology Various chromosome counts have been observed: 2n = 22, 33, 44, 55, 66, 77.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.
Taxonomy It is an autonym. Species It has about 100 species:Slanis, A. C., Huaylla, H., Ortiz, J. E., Luna, L. C., & Feresin, G. E. (2022). Hippeastrum escoipense (Amaryllidaceae, Amaryllidoideae): una nueva especie críptica del noroeste de Argentina. Darwiniana, nueva serie, 10(2), 486-493.
Hippeastrum lavrense Hippeastrum reginae Hippeastrum stapfianum
Distribution and habitat
Species of Hippeastrum subg. Hippeastrum occur in South America in the region spanning from central Argentina to Colombia. The centre of diversity is eastern Brazil, as well as the Peruvian and Bolivian Andes.
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