taxonID	type	description	language	source
03A22C2FA26DFF88FF0CE71EFE89F920.taxon	materials_examined	Type: — CHILE: Region of Atacama, 20 km south of Vallenar, Panamericana Road km 645, 28.71338 ° S, 70.76097 ° W, 741 m. a. s. l. Guerrero 1258 (holotype CONC 185660!).	en	Guerrero, Pablo C., Walter, Helmut E. (2019): Nomenclatural novelties and a new species in Chilean Cactaceae. Phytotaxa 392 (1): 89-92, DOI: 10.11646/phytotaxa.392.1.11, URL: http://dx.doi.org/10.11646/phytotaxa.392.1.11
03A22C2FA26DFF88FF0CE71EFE89F920.taxon	diagnosis	Diagnosis: — Eulychnia vallenarensis is similar to E. acida from which differs by a shrubby habit (1 – 1.5 m vs. arborescent up to 6 m), semi-procumbent branches (vs. erect to ascending), shorter diameter (8 – 10 vs. 10 – 15 cm), with 8 – 10 ribs (vs. 9 – 16), and 1 – 5 radial spines per areole (vs. 1 – 10).	en	Guerrero, Pablo C., Walter, Helmut E. (2019): Nomenclatural novelties and a new species in Chilean Cactaceae. Phytotaxa 392 (1): 89-92, DOI: 10.11646/phytotaxa.392.1.11, URL: http://dx.doi.org/10.11646/phytotaxa.392.1.11
03A22C2FA26DFF88FF0CE71EFE89F920.taxon	description	Description: — Plants shrubby, 1 – 1.5 m high, forming large mounds. Branches sub-procumbent, with superior portions pointing upwards, 8 – 10 cm in diameter, yellowish green. 8 – 10 low ribs, 2.5 – 3 cm wide. Areoles with short grey felt, ca. 1 cm in diameter, 2 – 2.5 cm apart. Spines acicular, not numerous, new ones blackish, soon turning grey; 0 – 5 radials, 1 – 5 cm, mostly on inferior part of areole; 1 – 3 central ones, 5 – 15 cm. Flowers subapical to lateral, 6 – 8 cm; tepaloids spathulate with tips, always white, sepaloids always green; axils of bract-scales with scant, short and grey wool. Fruits mucilageneous, 5 – 7 cm, orange when mature, covered as for the flower. Seeds numerous, ca. 1.5 mm long; testa tuberculate and more or less ribbed.	en	Guerrero, Pablo C., Walter, Helmut E. (2019): Nomenclatural novelties and a new species in Chilean Cactaceae. Phytotaxa 392 (1): 89-92, DOI: 10.11646/phytotaxa.392.1.11, URL: http://dx.doi.org/10.11646/phytotaxa.392.1.11
03A22C2FA26DFF88FF0CE71EFE89F920.taxon	etymology	Etymology: — Species epithet refers to “ Vallenar ”, which is the main site around where the species occurs.	en	Guerrero, Pablo C., Walter, Helmut E. (2019): Nomenclatural novelties and a new species in Chilean Cactaceae. Phytotaxa 392 (1): 89-92, DOI: 10.11646/phytotaxa.392.1.11, URL: http://dx.doi.org/10.11646/phytotaxa.392.1.11
03A22C2FA26DFF88FF0CE71EFE89F920.taxon	distribution	Distribution: — From north of Domeyko (29 ° S) to the Rio Huasco Valley (28.5 ° S) at strictly inland habitats between 600 and 1300 m. a. s. l.	en	Guerrero, Pablo C., Walter, Helmut E. (2019): Nomenclatural novelties and a new species in Chilean Cactaceae. Phytotaxa 392 (1): 89-92, DOI: 10.11646/phytotaxa.392.1.11, URL: http://dx.doi.org/10.11646/phytotaxa.392.1.11
03A22C2FA26DFF89FF0CE461FF1EFC97.taxon	description	Epitype (here designated): — CHILE. Coquimbo, Punta Teatinos, c 10 km. N of La Serena and 2 km from Panamericana to the coast, Leuenberger & Eggli 2579 (CONC 131947!). Description: — Plants shrubby, 0.5 – 1.5 m high, branching basally or laterally from lying branches, first erect, later semi-procumbent with ascending ends; branches slender, 4 – 8 cm diam. Ribs few, 8 – 13, deeply crenate. Areoles convex, oval, 1.0 – 1.5 cm, with orange-brown or beige wool, later grey, 0.5 – 1.5 cm apart. Central spines 2 – 4, stout, straight or somewhat curved, 2.5 – 12 cm; 10 – 20 radial spines, 1 – 3 cm, thinner. Flowers white, 8 – 12 cm, subapical to sometimes apical; hypanthium greenish, bract scales tipped brownish-reddish, axils with dark wool and contorted hairs; style and stigma whitish; stamens greenish. Fruits 4 – 5 cm, blackish-brownish, ovoid, somewhat tuberculate, covered as for the flower; perianth remnant mostly persistent. Seeds 1.2 – 1.7 mm; hilum position ± basal. Note: The above description of the plants matches Philippi’s original protologue very well.	en	Guerrero, Pablo C., Walter, Helmut E. (2019): Nomenclatural novelties and a new species in Chilean Cactaceae. Phytotaxa 392 (1): 89-92, DOI: 10.11646/phytotaxa.392.1.11, URL: http://dx.doi.org/10.11646/phytotaxa.392.1.11
03A22C2FA26DFF89FF0CE461FF1EFC97.taxon	distribution	Distribution: — From Coquimbo (30 ° S) to Tocopilla (22 ° 40 S), restricted to coastal plains and hills. Notes on lectotype and epitypification: — The lectotype designated by Muñoz (in Muñoz 1960: 92) is ambiguous since it combines flowers of Leucostele and Eulychnia. The contorted flowers of Leucostele are the ones with the long and slender tube and a short globular pericarpel, while the stout flowers of Eulychnia have a short tube and a large conical pericarpel.	en	Guerrero, Pablo C., Walter, Helmut E. (2019): Nomenclatural novelties and a new species in Chilean Cactaceae. Phytotaxa 392 (1): 89-92, DOI: 10.11646/phytotaxa.392.1.11, URL: http://dx.doi.org/10.11646/phytotaxa.392.1.11
03A22C2FA26CFF89FF0CE0F5FB5FF883.taxon	description	Description: — Plants (semi-) erect, 1 – 2 m high, forming dense clumps by branching from decumbent branches, these grey-green, 8 – 12 cm diam. 20 – 25 well pronounced undulate ribs, to 1.8 cm broad and 0.8 cm high. Areoles 6 – 8 mm, with dark grey felt. Spines all thick, straight, rapidly turning grey; 3 – 6 central spines, 2 – 3 (– 3.5) cm and to 20 thick, shorter radial ones. Flowers 12 – 14 cm; hypanthium brownish-green, bract scales brownish-reddish, with short dark wool from axils; nectary short. Fruits pear-shaped, pale brownish-reddish, covered as for the flower; perianth remnant deciduous, but style persistent. Seeds small, isodiametric, 1 – 1.2 mm; hilum position ± basal. Taxonomic annotations: — Leucostele chiloensis differs from L. litoralis by the arborescent habit, 2 – 6 m tall, erect to ascending and thicker branches (12 – 15 cm in diameter), longer spines (12 – 15 cm), larger flowers (14 – 18 cm) and inconspicuous whitish wool on flowers and fruits.	en	Guerrero, Pablo C., Walter, Helmut E. (2019): Nomenclatural novelties and a new species in Chilean Cactaceae. Phytotaxa 392 (1): 89-92, DOI: 10.11646/phytotaxa.392.1.11, URL: http://dx.doi.org/10.11646/phytotaxa.392.1.11
03A22C2FA26CFF89FF0CE0F5FB5FF883.taxon	distribution	Distribution: — From 32 ° S down to 34 ° S at strictly coastal habitats. Leucostele skottsbergii (Backeb. ex Skottsb.) P. C. Guerrero & Helmut Walter, comb. nov. ≡ Cereus skottsbergii Backeb. ex Skottsb. Acta Hort. Goteb. 18: 146, t. 10. 1950. Neotype (designated by Albesiano: 134. 2012): — CHILE. IV Región de Coquimbo, Dpto. Ovalle, Fray Jorge, 200 m a. s. l., November 1925, Werdermann 885 (neotype SI)	en	Guerrero, Pablo C., Walter, Helmut E. (2019): Nomenclatural novelties and a new species in Chilean Cactaceae. Phytotaxa 392 (1): 89-92, DOI: 10.11646/phytotaxa.392.1.11, URL: http://dx.doi.org/10.11646/phytotaxa.392.1.11
03A22C2FA26CFF89FF0CE0F5FB5FF883.taxon	description	Description: — Tall shrubs, basally and laterally branching, 2 – 4 m, not mound-forming; branches erect to ascending. 12 – 18 cm diam. 16 – 21 obtuse ribs ca. 7 – 8 mm high, only somewhat notched. Areoles with brown wool, closely set in old plants. Young branches with short stout spines, those on older branches longer and finer, mostly pointing downwards; central spines 4 – 6, 4 – 6 cm, acicular, some contorted; 10 – 30 thinner radial ones of variable length; apical spines thin and flexible. Flowers <12 cm; bract scales greenish-brownish, axils with short dark wool; nectary short. Fruits pear-shaped, green at maturity, scale axils with tufts of dark hair; perianth remnant deciduous, but style persistent. Seeds ca. 1.5 mm, ovoid; hilum position oblique.	en	Guerrero, Pablo C., Walter, Helmut E. (2019): Nomenclatural novelties and a new species in Chilean Cactaceae. Phytotaxa 392 (1): 89-92, DOI: 10.11646/phytotaxa.392.1.11, URL: http://dx.doi.org/10.11646/phytotaxa.392.1.11
03A22C2FA26CFF89FF0CE0F5FB5FF883.taxon	distribution	Distribution: — From the Fray Jorge National Park (30.61 ° S) to the valley of the Quilimarí River (32 ° S). Taxonomic annotations: — Leucostele chiloensis differs from L. skottsbergii by less numerous, rigid and notoriously thick spines, larger flowers (14 – 18 cm length) and a conspicuous whitish wool on flowers and fruits.	en	Guerrero, Pablo C., Walter, Helmut E. (2019): Nomenclatural novelties and a new species in Chilean Cactaceae. Phytotaxa 392 (1): 89-92, DOI: 10.11646/phytotaxa.392.1.11, URL: http://dx.doi.org/10.11646/phytotaxa.392.1.11
03A22C2FA26CFF8AFF0CE4C3FC2CFE79.taxon	materials_examined	Type: — CHILE. Prov. Atacama, Depto. Copiapó, Cord. Rio Turbio, Cerro Cadillal, 3800 m. a. s. l., 1926. Werdermann 944 (holotype B). − “ Maihueniopsis leoncito ” by F. Ritter (1980: 875) comb. inval. (Art. 41.5 of the ICN). Taxonomic annotations: — According to Art. 41.5 of the ICN (Turland et al. 2018), Ritter’s new combination in Maihueniopsis is invalid because it does not include the place of publication of the basionym.	en	Guerrero, Pablo C., Walter, Helmut E. (2019): Nomenclatural novelties and a new species in Chilean Cactaceae. Phytotaxa 392 (1): 89-92, DOI: 10.11646/phytotaxa.392.1.11, URL: http://dx.doi.org/10.11646/phytotaxa.392.1.11
03A22C2FA26CFF8AFF0CE4C3FC2CFE79.taxon	distribution	Distribution: — Andes range between the latitudes of 27 ° 30 S and 30 ° S.	en	Guerrero, Pablo C., Walter, Helmut E. (2019): Nomenclatural novelties and a new species in Chilean Cactaceae. Phytotaxa 392 (1): 89-92, DOI: 10.11646/phytotaxa.392.1.11, URL: http://dx.doi.org/10.11646/phytotaxa.392.1.11
