◊ Contr. US Nat. Herb. 12:430 (1909)
◊◊ Cereus hamatus Scheidw - Allg. Gartenz. 5:371 (1837)
Cereus rostratus Lem - Cact. Aliq. Nov. 29 (1838)
- Very long, stems up to 2.2 cm thick. Ribs mostly 4, with podaria up to 1
cm high. Spines 5-6, 4-6 mm long, initially bristly, later dehiscent, the 2-3
lower ones remaining; these are stouter and brown. Flower 30-40 cm long.
Ovary and receptacle with black hairs and thin white spines. Receptacle
greenish or brownish. Outer petals reddish, inner petals more yellowish.
Inner petals broad, white.
- Mexico: Oaxaca, Puebla, Veracruz, 1000-1800 m.
Cact. 2:204'"
Backeberg 2:789
Bravo 1:462, 471
Bradleya 7:91
Cact. Syst. Init. 17:50
NCL 262"