Cephalocereus senilis

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Cephalocereus senilis (Haw.) Pfeiff. in Allg. Gartenzeitung 6: 142. 1838 sec. Tapia & al. 2017

≡Cactus senilis Haw. in Philos. Mag. J. 63: 41. 1824 syn. sec. Tapia & al. 2017
≡Cereus senilis (Haw.) DC., Prodr. 3: 464. 1828 syn. sec. Tapia & al. 2017
≡Cephalophorus senilis (Haw.) Lem., Cact. aliq. nov.: 7. 1838 syn. sec. Tapia & al. 2017
≡Echinocactus senilis (Haw.) Beaton in Gard. Mag. & Reg. Rural Domest. Improv. 15: 550. 1839 syn. sec. Tapia & al. 2017
≡Pilocereus senilis (Haw.) Lem., Cact. Gen. Sp. Nov.: 7. 1839 syn. sec. Tapia & al. 2017
≡Cephalocereus senilis (Haw.) K.Schum. in Engler & Prantl, Nat. Pflanzenfam. 3(6a): 181. 1894 syn. sec. Tapia & al. 2017
≡Euporteria senilis (Phil.) Kreuz. & Buining in Repert. Spec. Nov. Regni Veg. 50: 201. 1941 syn. sec. Kew WCVP (2019)

Type: Mexico (not located)
Neotype (designated by Tapia, H.J., Bárcenas-Argüello, M.L., Terrazas, T. & Arias, S. 2017: 121): Mexico. Hidalgo: Metztitlan, 17 Jun 2005, G. Arroyo-Cosultchi 23 (MEXU 1439221)

1. Tapia, H.J., Bárcenas-Argüello, M.L., Terrazas, T. & Arias, S. 2017: Phylogeny and circumscription of Cephalocereus (Cactaceae) based on molecular and morphological evidence. – Systematic Botany 42(4): 709-723

=Cactus bradypus Lehm., Ind. Sem. Hort. Hamburg.: 17. 1826 syn. sec. Tapia & al. 2017
≡Cereus bradypus (Lehm.) Steud., Nomencl. Bot., ed. 2, 1: 333. 1840 syn. sec. Kew WCVP (2019)

=Echinocactus staplesiae Tate in Gard. Mag. & Reg. Rural Domest. Improv. 16: 27. 1840 syn. sec. Britton & Rose 1920

=Melocactus bradypus Lehm. ex Steud., Nomencl. Bot., ed. 2, 2: 122. 1841 syn. sec. Britton & Rose 1920

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