Description: Geohintonia is
genus of unique appearance discovered in 1992.
This plant sometimes produces
shaped crests of variable appearance and size (depending on clones), the
more common type has thin ribs and colourful brown-orangish dark
bodies and is almost always seen
grafted onto columnar shaped cacti, while the thick greyish-green bodied
forms (usually on their own roots and raised from seeds) are very rare
and priced for their extraordinary beauty by impassioned.
Stems: The standard Geohintonia mexicana is a usually
solitary, dark green/brown dwarf
cactus covered by a
pruina, globose becoming slowly
columnar, up to 10 cm or more, 10 cm in diameter with a
Ribs: Numerous (18-20) and well distinct.
Areoles: Large, discrete, at first with long wool, later nearly
Spines: Few, very short (3 to 15 mm), triangular, curved,
corky, soon papery a brittle
deciduous. Easily detached from the
Flowers: 2 x2-4 cm, rich pink to magenta and open during the day;
they are born in
of the plant. Pericarpel
and lower part of the tube naked, white. Upper part of the tube with
small acute scale, with densely hairy axil bearing 1 cm long white
bristles. Stigma 5-6 mm long, yellowish white.
Blooming season: Flowers
intermittently throughout the warm months from spring to autumn.
Fruits: Hidden in apical wool, ovoidal (approx 9x4-5 mm), thin
walled, pale, drying and breaking off below the middle.
Seeds: Oval, 1,2x0,7 mm, black brown, shiny, relief flat to
low-domed. The hilum is large, basal and superficial.