Pilosocereus armatus

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Pilosocereus armatus

Pilosocereus armatus (Otto ex Pfeiff.) A.R.Franck in Willdenowia 51: 264. 2021 sec. Franck 20211 wfo-0001434682

• ≡Cereus armatus Otto ex Pfeiff., Enum. Diagn. Cact.: 81. 1837 syn. sec. Franck 20211 wfo-0000596785
• ≡Cereus royenii var. armatus Salm-Dyck ex Walp., Repert. Bot. Syst. 2: 276. 1843 syn. sec. Franck 20211 wfo-0000738668
• ≡Pilocereus royenii var. armatus Salm-Dyck ex Rümpler, Handb. Cacteenk., ed. 2, 2(16): 682. 1886 syn. sec. Franck 20211 wfo-0001289096
Type: Neotype: St. Thomas, Water Island, 22 Feb 1978, Howard 18569 (A00368334 [3 mounted photographs]) [fide Franck & al. 2019: 1702]

• 1. Franck, A. R. 2021: Revisions of Cereus, Estevesia, Harrisia, Pilosocereus, Stenocereus, Xiquexique – In: Korotkova N. & al., Cactaceae at Caryophyllales.org – a dynamic online species-level taxonomic backbone for the family. – Willdenowia 51: 251-270. https://doi.org/10.3372/wi.51.51208, 2. Franck, A.R., Barrios, D., Campbell, K.C.St.E., Lange, J., Peguero, B., Santiago-Valentín, E., Rigerszki, Z., Haakonsson, J., Gann, G.D., Cinea, W., Howe, N.M.M., St. John, J., Moreno, J.S. & Clark, C.A. 2019: Revision of Pilosocereus (Cactaceae) in the Caribbean and northern Andean region. – Phytotaxa 411(3): 129–182 https://doi.org/10.11646/phytotaxa.411.3.1

• =Pilosocereus excelsus Hoxey & Gdaniec in Cact. Succ. J. (Los Angeles) 93(2): 104. 2021 syn. sec. Piñeyro & al. 20233 wfo-1200098161
Holotype: Dominican Republic, Provincia La Altagracia, Parque Nacional del Este, Sector Guaraguao, 21 Jan 1986, Salazar & al. 318 (NY barcode NY01495977; isotype: JBSD barcode JBSD072720)

• 3. Piñeyro, Y.E., Cinea, W. & Majure, L.C. 2023: Towards a treatment for the cactus family (Cactaceae) on Hispaniola: Generic key, species checklist, nomenclature assessments and distribution notes. – Haseltonia 30(1): 67-95. https://doi.org/10.2985/026.030.0108

Content

• Notes
• Distribution (Area)
• Bibliography

Notes

The earliest available basionym for the Pilosocereus Byles & G.D.Rowley cacti of Puerto Rico and the Virgin Islands appears to be Cereus armatus. The protologue of C. armatus described the stems as “vix glaucescens”, which may pertain to cultivated young plants or stressed or older stems that are sometimes not as bluish glaucescent as are mature, vigorous stems. The use of P. royenii (L.) Byles & G.D.Rowley for these plants by Franck & al. (2019) cannot be followed because it overlooked the designation of neotype for Cactus royenii L. made by Mottram (2013). Both the neotype and the protologue of C. royenii (Linnaeus 1753) are ambiguous with regard to provenance and precise identity.A

Distribution (Area)

Dominican Republic nativeB Haiti nativeB Puerto Rico nativeB Southern America:, Leeward Is. (Virgin Is. nativeB)

Bibliography

A. Franck, A. R. 2021: Revisions of Cereus, Estevesia, Harrisia, Pilosocereus, Stenocereus, Xiquexique – In: Korotkova N. & al., Cactaceae at Caryophyllales.org – a dynamic online species-level taxonomic backbone for the family. – Willdenowia 51: 251-270. https://doi.org/10.3372/wi.51.51208

B. Piñeyro, Y.E., Cinea, W. & Majure, L.C. 2023: Towards a treatment for the cactus family (Cactaceae) on Hispaniola: Generic key, species checklist, nomenclature assessments and distribution notes. – Haseltonia 30(1): 67-95. https://doi.org/10.2985/026.030.0108