Espostoopsis dybowskii is the only species in the Espostoopsis genus. It is a night blooming cereoid species, mainly branching near the base. The flowers are white, tubular and bell shaped.Habit: Plants shrubby, mostly branching basally, producing several erect, unbranched stems, 2-4 m high.Stems: Cylindrical, about 8 cm in diameter, with white hairs completely obscuring them.Ribs: Numerous (20-28) low.Areoles: Furnished with matted yellowish wool and abundant white hairs covering the whole stem.Central spines: 2-3, yellow or brown, erect, needle-like, 2-3 cm long.Radial spines: Numerous, short, fine, hidden in the areolar hairs.Fertile zone: Blooms are produced in a lateral cephalium, up to 60 cm long, consisting of masses of long white wool.Flowers: Nocturnal, shortly tubular-campanulate, white, to 4 cm long; pericarpels naked; floral tubes with very small scales less than 1 mm long, otherwise naked. Tepals short, white.Fruits: Broadly ovoid, nearly naked, pale pink with white pulp, indehiscent, 2.5 cm in diameter; pericarp thick, floral remains persistent and becoming black.
Espostoopsis Dybowskii Care
Espostoopsis Dybowskii
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Humidity
Dry
Lighting
Full Sun
Temperature
min 12°C
Hardiness zone
min 10
Difficulty
Easy
Hibernation
Cold Period
How to Care for the Plant
Water
They grow from April to October and cannot endure long stretches of total dryness, and also too much water will rot them, as their weak root systems tends to be inefficient at sucking up water from wet soil. Nonetheless, again as a result of their tropical origins, they need a fair amount of water, but allow the soil to dry quite a bit before watering again.
Fertilizer
Do not feed in winter.
Sunlight
They prefer very bright light, not as much as the most arid growing cacti, but plenty nonetheless. Tends to bronze in strong light, which encourages flowering and heavy spine production.
Soil
It likes very porous standard cactus mix soil.
Temperature
They rest from October to April but can’t stand cold, or even fairly cool temperatures, so is indispensable to keep them above 8-12°C at all times, severe damage or death occurring at temperatures that the great majority of cacti wouldn’t mind in the least and prefer more frequent water in winter than other cacti, say once a month. (but hardy to 4 C ° C for short periods). However warmth throughout the year will increase the grower's success (minimum 12° to 20° C during rest season).
Container
Use pot with good drainage.
Popularity
15 people already have this plant 5 people have added this plant to their wishlists
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