Hippeastrum subg. Hippeastrum

Hippeastrum subg. Hippeastrum
Flowering Hippeastrum striatum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Amaryllidoideae
Genus: Hippeastrum
Subgenus:
(autonym)
Type species
Hippeastrum reginae
Species

See here

Hippeastrum subg. Hippeastrum is a subgenus of the genus Hippeastrum[1] native to South America.[2]

Description

Vegetative characteristics

Hippeastrum subg. Hippeastrum are bulbous, (15–)30–100 cm tall plants with globose bulbs bearing usually annual leaves.[2]

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.[2]

Cytology

Various chromosome counts have been observed: 2n = 22, 33, 44, 55, 66, 77.[2]

Taxonomy

It is an autonym.

Species

It has about 100 species:[3]

  • Hippeastrum lavrense (Ravenna) R.S.Oliveira & Dutilh[2]
  • Hippeastrum reginae (L.) Herb.
  • Hippeastrum stapfianum (Kraenzl.) R.S.Oliveira & Dutilh[2]

Distribution and habitat

Hippeastrum morelianum in its natural habitat in Brazil
Hippeastrum stylosum in Bahia, Brazil

Species of Hippeastrum subg. Hippeastrum occur in South America in the region spanning from central Argentina to Colombia.[3][2] The centre of diversity is eastern Brazil, as well as the Peruvian and Bolivian Andes.[2]

References

  1. ^ Meerow, 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.
  2. ^ a b c d e f g h 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.
  3. ^ a b 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.