Leptocereus maxonii Britton Rose 1920

Plants shrubby with some ascending to erect branches, to 1.5 m (4.9 ft) high. Stems with terminal segments to 3 cm (1.2 in) in diameter. Ribs 5-7, thin, with wavy margins. Spines about 20, persistent, needle-like, yellowish brown to dark brown, becoming whitish with age, to 3 cm (1.2 in) long. Flowers broadly salverform, with numerous perianth parts, yellowish green, to 6 cm (2.4 in) long; pericarpels and floral tubes with dense long spines. Fruits globose, with dense yellow spines. Distribution: Cuba.

Leptocereus prostatus 393

Leptocereuspaniculatus (Lamarck) D. R. Hunt 1991 Cactus paniculatus Lamarck 1785, Neoabbottia paniculata (Lamarck)

Britton & Rose 1921 Neoabbottia paniculata var. humbertii Backeberg 1955

Plants treelike with much branched crowns, 6-10 m (20-33 ft) or more high with woody trunks to 30 cm (12 in) in diameter. Stems 4-6 cm (1.6-2.4 in) in diameter, arising from terminal portions of older segments. Ribs usually 4, sometimes 6 or winged, thin, notched marginally, to 2.5 cm (1 in) high. Spines 12-20, persistent, needle-like, brownish to gray, 2-5 cm (0.8-2 in) long. Flowers borne on terminal cephalia with dense felt, tubular, straight, open at night, greenish white, to 5 cm (2 in) long; pericarpels and floral tubes with small scales, some wool, but few if any bristles. Fruits oblong, nearly naked, green, 6-7 cm (2.4-2.8 in) long, 4-5.5 cm (1.6-2.2 in) in diameter. Distribution: Hispaniola.

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