| Espostoa | |
|---|---|
| |
| Espostoa lanata | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Tribe: | Cereeae |
| Subtribe: | Trichocereinae |
| Genus: | Espostoa Britton & Rose[1] |
| Type species | |
| Espostoa lanata | |
| Species | |
| Synonyms[1] | |
| |
Espostoa is a genus of columnar cacti, comprising 16 species known from the Andes of southern Ecuador and Peru. It usually lives at an altitude of between 800m and 2500m. Its fruit is edible, sweet, and juicy. The genus is named after Nicolas E. Esposto, a renowned botanist from Lima.[2]
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Transcription
Description
Plants that are columnar in shape and have many distinct lower ribs. These candle-like cacti are covered with spines and white hair. Only the older specimens can divide. In adulthood, a cephalium sometimes appears, similar to the Mexican genus Cephalocereus. These plants have robust areoles with spines. Their flowers open at night and have a short tube.[3]
Taxonomy
They were discovered by Alexander von Humboldt and Aimé Bonpland in the early nineteenth century.
They are appreciated for their decorative qualities due to their white fleece. They can be propagated by seed. For full development they must be planted in the ground. The cultivated specimens very rarely flourish.
Like all cacti, Espostoa requires a sunny location and well-drained soil. But in summer, it appreciates fertilizer and wetter conditions. In winter, it needs a rest[clarification needed], but the temperature must not drop below 12 °C.
Species list
As of October 2023[update], Plants of the World Online accepted the following species:[1]
| Image | Scientific name | Distribution |
|---|---|---|
 |
Espostoa blossfeldiorum (Werderm.) Buxb. | Peru |
| Espostoa calva F.Ritter | Peru (Amazonas) | |
| Espostoa cremnophila Hoxey | Peru | |
| Espostoa frutescens Madsen | Ecuador | |
 |
Espostoa hylaea F.Ritter | Peru (Amazonas) |
 |
Espostoa lanata (Kunth) Britton & Rose | Ecuador, Peru |
 |
Espostoa melanostele (Vaupel) Borg | Peru |
 |
Espostoa mirabilis F.Ritter | Peru (Huanuco) |
 |
Espostoa senilis (F.Ritter) N.P.Taylor | Peru (Ancash) |
| Espostoa superba F.Ritter | Peru (Ancash) | |
| Espostoa utcubambensis G.J.Charles | Peru (Amazonas) |
References
- ^ a b c "Espostoa Britton & Rose". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2023-10-08.
- ^ Yetman, David (2008-01-31). The Great Cacti. University of Arizona Press. ISBN 978-0-8165-4637-4.
- ^ "The Cactaceae" (PDF). Retrieved 2023-12-28.
Bibliography
- Innes C, Wall B (1995). Cacti' Succulents and Bromaliads. Cassell & The Royal Horticultural Society.
- Edward F. Anderson : "The Cactus Family" (2001)
External links
Data related to Espostoa at Wikispecies
- (in English) photos onr www.cactiguide.com
- (in English) Espostoa guentheri
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This page was last edited on 28 December 2023, at 03:22