| Cleistocactus ritteri | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Genus: | Cleistocactus |
| Species: | C. ritteri |
| Binomial name | |
| Cleistocactus ritteri Backeb. ex Guiggi 2020 | |
Cleistocactus ritteri is a species of Cleistocactus found in Bolivia. [2]
Cleistocactus ritteri grows as a shrub with more or less upright, bright green shoots that are branched at the base and reaches heights of up to 1 meter with a diameter of 2 to 3 centimeters. There are 12 to 16 ribs. The brown areoles on it later turn white. The 5 yellowish central spines are up to 10 millimeters long. The up to 30 fine radial spines are white.
The tubular, greenish-yellow to lemon-yellow flowers are slightly downward-pointing and barely curved. They are up to 4 centimeters long. The spherical, yellow fruits reach a diameter of up to 1.5 centimeters.
Cleistocactus ritteri is found in the Bolivian department of La Paz in the Yungas at altitudes of 1000 to 1100 meters.
The first description was made in 1959 by Curt Backeberg. A nomenclatural synonym is Cephalocleistocactus ritteri (Backeb.) Backeb. (1962).
In the IUCN Red List of Threatened Species, the species is listed as "Least Concern (LC)". H. listed as not endangered. [1]
Cleistocactus strausii, the silver torch or wooly torch, is a perennial flowering plant in the family Cactaceae. It is native to mountainous regions of Department Tarija, Bolivia, at 1,500–3,000 m (4,921–9,843 ft).
Cleistocactus hyalacanthus is a species of columnar cacti in the genus Cleistocactus. The name comes from the Greek kleistos meaning closed because the flowers hardly open.
Cleistocactus tominensis is a species of columnar cactus in the genus Cleistocactus, endemic to Bolivia, where it is found in forests, on cliffs, and in inter-Andean valleys at altitudes of 900 to 2,200 meters.
Oreocereus trollii, commonly known as the Old Man of the Andes cactus, is a species of cacti native to Argentina and Bolivia. Though listed as Least Concern by the IUCN, the plant is collected extensively, and in some areas is threatened.
Soehrensia formosa, is a species of Echinopsis found in South America. In north-western Argentina, Bolivia and northern Chile. First published in Cactac.: Handb. Kakteenk. 3: 1678 in 1959.
Echinopsis tacaquirensis, is a species of Echinopsis found in Bolivia.
Soehrensia tarijensis, is a species of Soehrensia, in the cactus family. It is native to Bolivia and northwestern Argentina.
Lobivia maximiliana, is a species of Lobivia found in Bolivia and Peru.
Neoraimondia herzogiana is a tree-like cactus native to Bolivia.
Cleistocactus smaragdiflorus is a species of Cleistocactus found in Bolivia and Argentina.
Cleistocactus candelilla is a species of Cleistocactus found in Bolivia.
Cleistocactus baumannii is a species of Cleistocactus found in Argentina, Paraguay, Bolivia, Uruguay, and Brazil.
Matucana aureiflora is a species of Matucana found in Peru.
Matucana weberbaueri is a species of Matucana found in Peru.
Matucana ritteri is a species of Matucana found in Peru.
Loxanthocereus acanthurus is a species of Loxanthocereus found in Peru.
Cleistocactus brookeae is a species of columnar cacti in the genus Cleistocactus.
Cleistocactus buchtienii is a species of columnar cacti in the genus Cleistocactus.
Cleistocactus laniceps is a species of columnar cacti in the genus Cleistocactus.
Cleistocactus parviflorus is a species of columnar cacti in the genus Cleistocactus.
Media related to Cleistocactus ritteri at Wikimedia Commons
Data related to Cleistocactus ritteri at Wikispecies