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  Lophocereus schottii "BIG PENIS CACTUS" CACTUS ART
NURSERY

Cultivation and Mail Sale
of Cacti and Succulents.


 This rare plant looks very like the common penis cactus (Trichocereus bridgesii forma mostruosa) but it is stouter and can reach the dimension of a small monstrous tree.
 

DESCRIPTION: Lophocereus schottii is a slow-growing, usually trunkless cactus that forms numerous tall, ascending, columnar stems which branch at the base in a candelabra-like arrangement. Stems have a waxy bloom on the surface and reach a height of 3-4 metres (but can grow up to 7m high), and are 10 to 12cm in diameter. They have five to nine widely-spaced ribs.  This monstrous mutation has  variable, irregularly shaped rib-less stems. Stems are ascending, slim, lightly pruinose, and also branch just from the base and occasionally at higher levels, reverting sometimes to normal species' growths. Some stems reach 6m, but they usually remain smaller (from 2 to 3m tall). These smooth plants are virtually unknown. The stems mark quite badly with age, due to weathering and old age.

Cultivation: This species presents no problems in cultivation, and will do well in a sunny spot in a cactus house. These plants will tolerate extreme sun and heat, but not extended periods of frost. They can survive to a minimum temperature of -4, but the growing tips need protection. The monstrous form is more frost-sensitive, and should not be kept at less than -0C. They will tolerate severe drought if they have a large colony of stems. Grow them in rich, porous, sandy soil, and let their soil dry out between waterings.  If potted, repot in the spring, if the roots become cramped. Generally, they should be repotted every other year, in order to provide fresh soil. However, this doesn't necessarily mean they'll need larger containers. Fill about a quarter of the pot with broken crocks, gravel, etc. to promote good drainage. After repotting, do not water for a week or more. The monstrous plants enjoy a warm sunny environment, and for more speedy growth a light position on a high shelf with light feeding and rainwater given to the bottom of the plant will ensure success, especially with rooted detached branches, which do well in these conditions. Often plants can be seen with a root or two projecting from a lower stem. Plants in cultivation will begin to get a bit tatty after several years, and if you wrap an offset in newspaper and send it to your friend through the post, it will probably get marked anyway.

Propagation:  L. schottii "BIG PENIS" does not apparently flower or seed.  All specimens also in cultivation must at one time have been propagated vegetatively. It can be increased by cuttings, which will take root in a minimum temperature of 20 C. Cuttings of healthy shoots can be taken in the spring and summer, Cut the stem with a sharp, sterile knife just above a bud or shoot (a 10-30cm long tip or branch is most suitable for propagation).  Leave the cutting in a warm, dry place for a week or weeks (depending on how thick the cutting is) until a callus forms over the wound. Once the callus forms, the cutting may be inserted in a container filled with firmed cactus potting mix topped with a surface layer of coarse grit. They should be placed in the coarse grit only; this prevents the cut end from becoming too wet, and allows the roots to penetrate the rich compost underneath. The cuttings should root in 2 to 6 weeks.

 

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Family: Cactaceae (Cactus Family)


Scientific name:  Lophocereus schottii cv. BIG PENIS CACTUS

Origin Garden origin (Nursery produced cultivar)

Conservation status: Listed in CITES appendix 2.

Common Names include: Big penis cactus.

Synonyms:  
  • Lophocereus schottii forma mostrusa (smooth form)


Lophocereus  scottii "BIG PENIS"  along with  Trichoceres bridgesii mostruosa (the "penis cactus")
 

 



 

Photo of conspecific taxa, varieties, forms and cultivars of Lophocereus schottii .

Home | E-mail | Plant files | Mail Sale Catalogue | Links | Information | Search

All the information and photos in cactus art file are now available also in the new the Enciclopedia of Cacti. We hope you find this new site informative and useful.