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Cryptanthus clavatus is a synonym of:

Canistrum aurantiacum E.Morren

(subgen. Canistrum)

Publ: Belgique Hort. 23: 257. t. 15 (1873)

Type: Brazil, fl. cult. Nov. 1872, Liege Hortus s. n. Holotype: LG, n. v. (photo HB).

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Distribution: BRAZIL; Alagoas, Pernambuco,

Habitat: 0-900 m. Elev.

Phenology: C. aurantiacum apparently flowers from November to March, and sometimes on into May. According to Siqueira Filho (1997), who has studied this species in detail in its native habitat, C. aurantiacum is pollinated by small, pollen-gathering bees of the genus Partanoma, but its main pollinating agent is the hummingbird, Phaetornis ruber.

Canistrum aurantiacum