Lophocereus Cactus

From the Greek lophos, a crest, and cereus, referring to the bristly top of the flowering stem (Cactaceae). There is one species only in this genus, L. schottii, from Arizona, a tall cactus with thick stems with short, strong spines. A few offsets are produced at the base of the plant. Flowering areoles develop long bristles at right angles to the stem. The flowers are pale green outside, pink inside, and open at night. A monstrous form of this plant is also cultivated. This has irregular ribs and no spines. The plant has a knobbly appearance.

Cultivation

The compost should consist of rich compost with 1/5 part added of coarse sand, grit or broken brick. Winter temperature should be a minimum of 45°F (7°C). In summer normal greenhouse temperatures suffice. It may be grown in either shade or full sun.

Propagation is mainly by seed sown in reliable seed compost and kept moist and shaded at 70 °F (21°C) until seedlings appear when more light can be given. Offsets on the tops of tall plants can be removed and rooted in a mixture of coarse sand and peat after allowing the cut surface to dry for two days.

12. July 2017 by Dave Pinkney
Categories: Cacti and Succulents | Tags: , , , , , , , , , , | Comments Off on Lophocereus Cactus

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