Espostoa Britton & Rose (1929)
named after Nicolas E. Esposto
Peruvian botanist on the Escuela Nacional de Agricultura in Lima
columnar cactus, dendriform to bushy, somewhat branched like candelabra, usually dense white hairy
hairs silky, like cobwebs around the plants, on the crown not soft and dense
on the sprout end is an cephalium with whiteish, yellowish or brownish hairs
spines short, thin, white, yellowish or red
flowers about 5 cm (2 in) long, whiteish, at nights, appears on the cephalium
fruits berry like, red, sparse hairy; seeds dull black |
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Distribution |
south America - Ekuador, Peru, Bolivia
steppes and mountains |
Growth period |
many warmness and full sun
only moderate watering, only at warm weather,
moisture at cold weather is dangerous
not watering from above,therewith the hairs stay clean
occasionally spraying with water is to recommend in the evening
to hold the plants clean, is cultivating in a greenhouse recommendable
in midsummer keep the plant dry for a growth rest, main growth period is in spring time and fall |
Winter period |
absolutly dry at 10–14°C (50–57°F), as possible not under 10°C (50°F) |
Substrat |
minerally, nutrient-rich, loose and well-permeable for water
with addition of crushed bricks |
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| Espostoa lanata (Knuth) Britton & Rose (1920) |
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Habitat |
south Ecuador
Loja
north Peru
Piura, Amazonas,
Cajamaraca, Lambayeque |
Description |
wooly Espostoa
tree shaped, trunk forming, to 4 m (13.1 ft) tall, shoots are straight up
ribs 20–30, flattened
areoles with dense white hairs
numerous radial spines, short, yellowish, somewhat with reddish tips
2 central spines, several cm (in) long, longer as radial spines, strong distant, yellowish to horn colored, red tips
cephalium whiteish, flowers 5 cm (2 in) long, whiteish |
Synonyms |
Cactus lanatus F. M. Knuth (1823)
Cereus lanatus (F. M. Knuth) A. P. De Candolle (1828)
Cleistocactus lanatus (F. M. Knuth) F. A. C. Weber ex Roland-Gosselin (1904)
Pilocereus lanatus (F. M. Knuth) F. A. C. Weber (1904)
Oreocereus lanatus (F. M. Knuth) Britton & Rose (1916)
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CITES |
Appendix II |
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