A two ribbed myriostigma! a very rare event.
(1,5 years old 2,5 cm top view - September 2004)
variety name bicostatum derives from the Latin prefix
“bi” which means “bis, twice, two” and the
Latin adjectives “costatus” meaning “ribbed” (
From the Latin word “costa” a rib) ” ( The
specific name implies: "two ribbed")
The cultivars name has been chosen referring to the Tao symbol (
the image of yang and yin) for its resemblance to the form of this
birth of a two ribbed A. myriostigma is really a rare and memorable
event in Cactus Art nursery.
Till now only two plants over thousand plants born with this uncommon
feature. They are young plants and are born from the same seed pod,
hoping that they maintain the rare characteristic. One of the two "bicostatum"
was at first a relatively common "tricostatum" seedling, but when became
one year old it lost one of three ribs, and now it is growing with only