Selenicereus rubineus Kimnach 1993

Stems sprawling to climbing, to 3 m (9.8 ft) or more long, profusely branching. Stems smooth, light green, white dotted, 1-2 cm (0.4-0.8 in) in diameter. Ribs 4-5, slightly rounded marginally, 4-5 mm high. Areoles 4-4.5 cm (1.6-1.8 in) apart, with spines and white curly wool. Spine usually one, awl shaped, sharp, to 2 mm long. Flowers white to cream, 18-19 cm (7.1-7.5 in) long, to 18 cm (7.1 in) in diameter; pericarpels with broad scales, spines, and cream-colored wool. Distribution: Oaxaca, Mexico.

Selenicereus setaceus (A. P. de Candolle) Werdermann 1840

pineapple cactus

Cereus setaceus A. P. de Candolle 1828, Mediocactus setaceus (A. P.

de Candolle) Borg 1951 Cereus coccineus Salm-Dyck ex A. P. de Candolle 1828, Mediocactus coccineus (A. P. de Candolle) Britton & Rose 1920 ?Cereus extensus Salm-Dyck ex A. P. de Candolle 1828 Cereus lindbergianus F. A. C. Weber ex K. Schumann 1897 Cereus lindmanii F. A. C. Weber ex K. Schumann 1898, Mediocactus lindmanii (F. A. C. Weber ex K. Schumann) Backeberg 1959 Cereus hassleri K. Schumann 1900, Mediocactus hassleri (K. Schumann) Backeberg 1959 Selenicereus rizzM Scheinvar 1974

Plants epiphytes, with long arching stems. Stems usually three-angled, sometimes four- or five-angled, light green, with slightly curved edges, 2-4 cm (0.8-1.6 in) in diameter. Areoles raised, 2-3 cm (0.8-1.2 in) apart. Spines 2-4, conical, reddish, becoming brown, 1-2 mm long. Flowers white with yellowish bases, greenish outside, 25-30 cm (9.8-12 in) long; pericarpels with short feltlike wool and spines; floral tubes with naked scales. Fruits ovoid, tuberculate, red, with bristles. Distribution: Brazil, Bolivia, Paraguay, and Argentina. Fruits of Selenicereus setaceus are harvested (Chapter 2, under Cacti as Food).

Selenicereus spinulosus (A. P. de Candolle) Britton & Rose 1909

Cereus spinulosus A. P. de Candolle 1828 Selenicereus pseudospinulosus Weingart 1931

Plants clambering or vinelike, with numerous stems, 4-5 m (13-16 ft) long. Roots many, aerial. Stems shiny light green, 1-2 cm (0.4-0.8 in) in diameter. Ribs 4-6, acute. Areoles 1.5-2.5 cm (0.6-1 in) apart. Spines brown, conical, 1 mm long. Central spine one. Radial spines 6-7. Flowers pinkish

Selenicereus rubineus, photograph by Myron Kimnach

Selenicereus rubineus, photograph by Myron Kimnach

Selenicereus setaceus

Selenicereus setaceus to white, 10-12.5 cm (3.9-4.9 in) long, 7-8.5 cm (2.8-3.3 in) in diameter; pericarpels and floral tubes with clusters of spines but no scales. Distribution: southeast Texas, and Ta-maulipas, Veracruz, San Luis Potosí, Hidalgo, Oaxaca, and Chiapas, Mexico.

Selenicereus testudo (KarwinskyexZuccarini) Buxbaum 1965 pitayade tortuga

Cereus testudo Karwinsky exZuccarini 1837, Deamia testudo (Karwin-

skyexZuccarini) Britton &Rose 1920 Deamia diabólica Clover 1938

Plants epiphytic and lithophytic, clambering or pendent, freely branching. Roots numerous, aerial, clinging to the substrate, making the stems closely appressed to the surface. Stems with joints to 25 cm (9.8 in) long and 8 cm (3.1 in) in diameter. Ribs 3-8, most frequendy three-winged, thin, 1-3 cm (0.4-1.2 in) high. Spines as many as 10 or more, spreading, brownish, 1-2 cm (0.4-0.8 in) long. Flowers with very long floral tubes and widely expanded throats, white, to 25 cm (9.8 in) long and 15 cm (5.9 in) in diameter; pericarpels and floral tubes with small scales and brown hairs 1-3 cm (0.4-1.2 in)

long. Fruits not known. Distribution: Mexico, Guatemala, Belize, Honduras, Nicaragua, Costa Rica, and Colombia.

Continue reading here: Selenicereus tricae D R Hunt 1989

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