Hippeastrum subg. Hippeastrum
| Hippeastrum subg. Hippeastrum | |
|---|---|
| Flowering Hippeastrum striatum | |
| Scientific 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
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
- ^ 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.
- ^ 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.
- ^ 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.