Astrophytum ornatum

Astrophytum ornatum, the bishop's cap or monk's hood cactus, is a flowering plant of the family Cactaceae, endemic to the Central Plateau of Mexico. It is the largest and tallest species of Astrophytum.

Astrophytum ornatum
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Core eudicots
Order:
Caryophyllales
Family:
Cactaceae
Genus:
Astrophytum
Species:
A. ornatum
Binomial name
Astrophytum ornatum

Description

Solitary and cylindrical in form, it may grow up to 2 metres (6.6 ft) in height and 30 centimetres (12 in) in width on the Central Plateau. It develops numerous white woolly flakes for protection from the sun. It flowers throughout the summer, the flowers being 7 to 8 centimeters long in canary yellow.

Cultivation

It is a rugged plant resistant to root rot, and easy to grow in a well-drained soil. It is dark green when grown in filtered light or shade. An established plant is cold tolerant to 25 °F (−4 °C).

Astrophytum ornatum has gained the Royal Horticultural Society’s Award of Garden Merit.[2]

  • It usually has 8 ribs, often in spiral
gollark: The seed was at one point accidentally leaked in crashlogs.
gollark: Any time synchronisation you do is probably backed by an atomic clock somewhere.
gollark: Nope.
gollark: Those are not in space.
gollark: There are actually single chip rubidium atomic clocks now.

References
  1. Sánchez , E.; Guadalupe Martínez, J. & Bárcenas Luna, R. (2017). "Astrophytum ornatum". IUCN Red List of Threatened Species. 2017. Retrieved 4 November 2018.CS1 maint: ref=harv (link)
  2. "RHS Plantfinder - Astrophytum ornatum". Royal Horticultural Society. Retrieved 12 January 2018.
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