Family:
Cactaceae
Subfamily:
Cactoideae
Name:
Ferocactus johnstonianus Britton et Rose,
The Cactaceae 4: 287 (1923)
Alt. Name:
Basionym:
Synonyms:
Echinocactus johnstonianus (Britton et Rose) Fosberg Am. Mid. Nat. 27: 257 (1942)
Ferocactus cylindraceus var. johnstonianus (Britton et Rose) Starling 1988: 69) comb. inval. (ICBN Art.33.2, 1988)
Ferocactus peninsulae var. johnstonianus (Britton et Rose) Starling (1988: 70) comb. inval. (ICBN Art.33.2, 1988)
Ferocactus acanthodes var. johnstonianus (Britton et Rose) Unger Kugelkakt. Nordamer.: 132 (1992)
Type:
Holotype: Ivan Murray Johnston, 3394, 1921.5.2., (US 2296911), Barcode 00131428 (USNH)
Isotype: Ivan Murray Johnston, 3394, 1921.5.2., (US 2296910), Barcode 00115664 (USNH)
Isotype: Ivan Murray Johnston, 3394, 1921.5.2., (CAS 270364), Barcode 214988 (CAS)
Isotype: Ivan Murray Johnston, 3394, 1921.5.2., (MO s.n.) (NY s.n.) Barcode 00564066
Type Locality:
Wash behind lagoon on east side of Angel de la Guardia Island, Gulf of California, Mexico
Distribution:
Mexico: Baja California, Isla Angel de la Guarda. Known only from type locality and just a few other locations (north of Punta de Los Machos, Arroyo Estatón, rocky Mesa above Lobería).
Altitude:
0 – 400 m
Collection No:
Lindsay539, Lau1214
Flowering:
Hours:
4 - 8, Springtime to Summer
Extra Info:
Probably only a disjunct, island variety of Ferocactus acanthodes.
Compiler:
Unger, Gottfried / at / 2018.3.10.
