Xerophyte

Habit

Plants somewhat erect, half erect or prostrate with slender stems branching from the bottom.

Central Spines

1-2 up to 7,5 cm long, but usually shorter protruding sparsely through the numerous thin short radial spines.

Description

Arthrocereus rondonianusSN|1472]]SN|1472]] is a small cereoid cactus with colourful, scented, nocturnal flowers. It is unusual among night-bloomers cacti for its pink flowers.

Flowers

Large, mostly near the tips on the sides of the terminal joints, purplish-pink, up to 8 cm long and pleasantly scented, a character associated with moth-pollination. Tubes long, thin, with fuzzy wool and hair-like spines.

Ribs

14-18 low and rounded.

Stem

Cylindrical, bright green, about 2,5 cm in diameter, 25-70 cm long.

Radial Spines

40-50 fine, acicular, bristle-like, densely clustered, greenish yellow, golden yellow or reddish-brown, up to 5 mm long with a few to 2 cm long.

Fruits

Green, scaly and round.