Espostoa hylaea F Ritter 1964

Plants shrubby, branching basally and to midway. Stems erect, 4-5 cm (1.6-2 in) in diameter. Ribs 21-28,4 mm high. Areoles elongate, 3-4 mm apart, with wool to 1 cm (0.4 in) long. Central spine barely distinguishable, sometimes one to 1 cm (0.4 in) long. Radial spines 30-40, yellow to reddish brown, to 0.5 cm long. Lateral cephalia light brown. Flowers

Espostoa lanata 317

whitish, 4-5 cm (1.6-2 in) long, 4-6 cm (1.6-2.4 in) in diameter. Distribution: Bagna province, Amazonas, Peru.

Espostoa lanata (Kunth) Britton & Rose 1920

COTTON BALL CACTUS, PERUVIAN OLD MAN, SNOWBALL CACTUS, SNOWBALL OLD MAN

Cactus lanatus Kunth 1823, Cereus lanatus (Kunth) A. P. de Candolle 1828, Pilocereus lanatus (Kunth) F. A. C. Weber 1898, Cleistocactus lanatus (Kunth) F. A. C. Weber 1904, Oreocereus lanatus (Kunth) Britton & Rose 1916 Pilocereus dautwitzii Haage 1873, Cereus dautwitzii (Haage) Orcutt

1902, Espostoa dautwitzii (Haage) Borg 1937 Cereus sericatus Backeberg 1931, C. lanatus subsp. sericatus (Backe berg) Werdermann 1937, Espostoa sericata (Backeberg) Backeberg 1935

Espostoa laticornua Rauh & Backeberg 1957 Espostoa procera Rauh & Backeberg 1957

Plants treelike, branching in upper parts, 1.5-7 m (4.9-23 ft) high with trunks to 1 m (3.3 ft) high and 20 cm (7.9 in) in diameter. Stems spreading or ascending, to several meters long, 6-10 cm (2.4-3.9 in) in diameter. Ribs 18-25, low, rounded, separated by linear furrows, 5-8 mm (0.2-0.3 in) high. Areoles elliptical, 7-10 mm (0.3-0.4 in) apart, visible below masses of hairs and spines. Central spine one, not always present, 2-5 cm (0.8-2 in) long. Radial spines 30-40,

Espostoa Hylaea
Espostoa guentheri
Graham Charles Cacti

Espostoa kylaea, photograph by Graham Charles

318 Espostoa lanata

318 Espostoa lanata

Espostoa Hylea
Espostoa melanostele, also illustrated on page 31

needle-like, reddish or yellowish brown, becoming gray with age, spreading, 0.3-0.8 cm (to 0.3 in) long. Lateral cephalia to 1 m (3.3 ft) long, 4-5 ribs wide, with light brown to gray wool to 3 cm (1.2 in) long. Flowers funnelform, purple to light purple, 4.5-5.5 cm (1.8-2.2 in) long, 3-3.5 cm (1.2-1.4 in) in diameter. Fruits top shaped, purplish red, to 2.5 cm (1 in) long and in diameter. Distribution: southern Ecuador and northern Peru. Espostoa lanata is widespread and variable and has received many names. Woolly hairs of the lateral cephalia have been used for pillow filling in Peru (Chapter 2, under Other Uses of Cacti).

Continue reading here: Espostoa lanianuligera F Ritter 1981

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