Autor: (Engelmann ex Berger) Britton & Rose • ETYMOLOGY “Spiny wax candle” referring to the spiny nature of the genus. • DESCRIPTION A genus of shrubby plants with branched stems, bent or climbing, forming impenetrable thickets. Stems are three or four angled (sometimes five), segmented or not, often with wavy ribs. They are mostly dimorphic (instead…
Autor: Backeberg • ETYMOLOGY “Spiny head”, because the genus is completely covered with spines. • DESCRIPTION A genus of small solitary plants, more or less spherical to elongated, the apex depressed, many low ribs (30-60), divided into spiralled small tubercles. Many spines (25-60), small, but rather stiff and dense, white or yellow. Flowers diurnal, rather small,…
Autor: Backeberg & Knuth • ETYMOLOGY “Spiny calyx”, referring to the main morphological characteristic of the genus. • DESCRIPTION A genus of usually single-stemmed plants, globose to lightly elongated, with the apex depressed. Ribs acute, more or less tuberculate, spines usually straight, aciculate to subulate. Flowers diurnal, subapical (main difference with Echinopsis sensu lato), funnel-shaped to…