Arrojadoa

Arrojadoa
Arrojadoa penicillata
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Core eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Tribe: Cereeae
Genus: Arrojadoa
Britton & Rose, (1920)
Species
  • Arrojadoa albiflora
  • Arrojadoa bahiensis
  • Arrojadoa dinae
    • Arrojadoa dinae subsp. eriocaulis (syn. A. beateae)
  • Arrojadoa marylanae
  • Arrojadoa penicillata
  • Arrojadoa rhodantha
    • Arrojadoa rhodantha subsp. aureispina
    • Arrojadoa rhodantha subsp. rhodantha (syn. A. canudosensis)
Synonyms

Pierrebraunia Esteves[1]

Arrojadoa is a genus of cacti, comprising 6 species and several varieties. It is named after the Brazilian botanist Miguel Arrojado Lisboa (1872–1932) who was superintendent of the Brazilian Railways at the time that Britton and Rose described the genus in 1920.[2] The genus occurs only in northern Brazil and is found at rocky places, under shrubs, which support their frail stalk. They are subtropical plants, with very little frost tolerance.

The species often have frail stalks that can be upright or procumbent, reaching 2 m high and about 2 to 5 cm thick. There are from 10 to 15 ribs, and ramifications are rare, and usually occur from the base.

The flowers are nocturnal and tube-like, measuring 1 to 3 cm in length and 0.5 to 1 cm in diameter. Flower colors can be pink or carmine. The fruit is berry-like, spherical with a maximal diameter of 1.5 cm, and pink or red when ripe.

Cultivation

Source :.[3]
These tropical cacti are not very easy to grow. With their snake-like growth, they are ideal cactus for hanging baskets. They are growing relatively rapidly in good conditions. It multiplies more by seeds than by cuttings. It grows best on slightly humid soil and with plenty of watering from spring to autumn. In winter it should be left without water and at a minimal temperature of 10 °C.

References

Bibliography

  • Anderson, Edward F. (2001), The Cactus Family, Pentland, Oregon: Timber Press, ISBN 978-0-88192-498-5
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