Eulychnia castanea Philippi 1864


Cereus castaneus (Philippi) K. Schumann 1903, Philippicereus casta-neus (Philippi) Backeberg 1942

Plants shrubby, to 1 m (3.3 ft) high, forming large, dense clumps to 20 m (66 ft) wide. Stems cylindrical, green, 1-2 m (3.3-6.6 ft) long, 6-8 cm (2.4-3.1 in) in diameter. Ribs 8-13. Areoles covered with dark gray felt. Spines yellow to brown,

Eulychnia breviflora, photograph by Urs Eggli

Eulychnia castanea, photograph by Urs Eggli

Eulychnia castanea, photograph by Urs Eggli

324 Eulychnia castanea straight. Central spines 1-2, stout, 3-10 cm (1.2-3.9 in) long. Radial spines 6-10, 0.5-2 cm (0.2-0.8 in) long. Flowers borne laterally near the stem tips, white, 5-5.5 cm (2-2.2 in) long; floral tubes and pericarpels with stiff brownish bristles and brown felt. Fruits globose, yellow, covered with spines. Distribution: along the coastline from Los Molles north to Talinay, Coquimbo, Chile.

Eulychnia iquiquensis (K. Schumann) Britton & Rose 1920 Cereus iquiquensis K. Schumann 1904 Eulychnia morromorenoensis F. Ritter 1980

Plants treelike, branching near the base, 2-7 m (6.6-23 ft) high with short trunks. Stems erect, sometimes branching above, robust. Ribs 12-15, somewhat tuberculate. Areoles with short, white wool. Spines 10-20, not differentiated as centrals and radials, variable, erect, 2-12 cm (0.8-4.7 in)

long. Flowers borne near the stem tips, white, 5.5-6.5 cm (2.2-2.6 in) long. Fruits globose, 5-6 cm (2-2.4 in) in diameter. Distribution: vicinity of Iquique, Tarapacä, Chile.

Continue reading here: Eulychnia ritteri Cullmann 1958

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