Showing posts with label grafted cactus. Show all posts
Showing posts with label grafted cactus. Show all posts

Wednesday, February 4, 2009

Cactus Chimera

The name Chimera comes from Greek mythology refering to a fire-breathing she-monster in having a lion's head, a goat's body, and a serpent's tail.

A Cactus Chimera result when two grafted cacti get distinct characteristics of two species on the same plant. In this case a Gymnocalycium mihanovicii cv. 'hiboton' was grafted on Myrtillocactus geometrizans.

Somehow the DNA of the Myrtillocactus passed to the Gymnocalycium and the result is a mix of two species in one. The species showing both of the two species characteristics.

Note: Chimeras are not hybrids. Hybrids occur with the fusion of two gametes from each individual.

Chimeras are very rare and highly valued. Nobody knows how they occur. It could be the result of a viral infection.

Sunday, January 25, 2009

Astrophytum caput medusae


First described as Digitostigma caput medusae, this plant clearly belongs to the Genus Astrophytum. Discovered as recently as 28 August 2001 and described in 2002. The cactus on the left is not a normal plant as the tubercles are much more succulent.

I am not sure if this is a hybrid or whether it is just a freak. I aquired it from eBay. Compare the tubercles with that of a normal plant (see below left). Probagation is by seed or by tubercle grafting. Each seed pod produces few seed. The tubercles are very easy to graft.

The name caput medusa refers to the thin long tubercles resembling the Greek Mythological woman Medusa whose hair was turned to snakes.

When first appeared on the market the seeds were selling as much as 5 Euro per seed and young plants for 100 Euros.