Origin and Habitat: Mexico (Sinaloa: Cerro de la Cobriza)
Altitude: 50-500 metres above sea level.
Habitat: The species grows in wood clearings and in crevices on rocky slopes in loamy- sandy soil and igneous rocks.
together with Selenicereus vagansSN|8276]]SN|8276]], Pachyceerus pecten-aboriginum, Mammillaria rubidaSN|9256]]SN|23732]] and Mammillaria mazatlanensisSN|23732]]SN|9256]].

• Echinocereus subinermis subs. ochoterenae (J.G.Ortega) N.P.Taylor
• Echinocereus ochoterenae J.G.Ortega
• Echinocereus subinermis var. ochoterenae (J.G.Ortega) G.Unger

• Echinocereus subinermis Salm-Dyck in Seem. ex Scheer
• Echinocereus subinermis var. aculeatus G.Unger
• Echinocereus subinermis var. luteus (Britton & Rose) F.M.Knuth
• Echinocereus luteus Britton & Rose

• Echinocereus subinermis subs. ochoterenae (J.G.Ortega) N.P.Taylor
• Echinocereus ochoterenae J.G.Ortega
• Echinocereus subinermis var. ochoterenae (J.G.Ortega) G.Unger

• Echinocereus subinermis cv. Spiral

Description: Echinocereus subinermisSN|16544]]SN|16544]] var. ochoterenae is one of the varieties of the wide ranging and very variable Echinocereus subinermisSN|16544]]SN|16544]] distinguished for its thick, slightly elongated and always spiny stems. It has about 10 ribs with 1-4 short dark central spines. The flowers are very showy, canary yellow but smaller than in the other varieties of Echinocereus subinermisSN|16544]]SN|16544]].
Habit: Cylindrical cactus, at first simple but usually clustering with time from the base.
Stem: When young pale green, afterwards bluish green and finally darker green with occasionally some reddish areas, 4-10 cm tall,4-7 cm in diameter.
Ribs: 8-11 (mostly 10) slightly notched with narrow furrows between them, broad somewhat sinuate, rounded.
Areoles: Small, slightly woolly, 10 mm apart.
Spines: Younger plants have short spines while older ones are almost spineless.
Central spines: 1 to 4 (Usually absent in standard Echinocereus subinermisSN|16544]]SN|16544]]) mostly very short, occasionally up to 2 cm long, dark porrect.
Radial spines: 8 or 9, widely spreading, small, unequal, conic, the 2 upper ones being shorter, 5-10 mm long, yellowish, or creamishi with a darker tip, deciduous.
Flowers: Funnelform, from near the top of plant, and from second to third areoles on the ribs, showy up to 4,5-6,5 cm long and 4,7,5 cm in diameter (up to 13 cm broad in standard Echinocereus subinermisSN|16544]]SN|16544]]), perianth segments oblanceolate, acute, canary-yellow delicately sweet-scented, often with some reddish midstripes. Stigma with 8-11 green lobes. Filaments light yellow. Spines of areoles on ovary and flower-tube short, white to brown with scarce white wool..
Blooming season: Spring and summer. The individual flowers will last up to six days. Blooming generally begins 4 to 5 years after sowing, as the plant matures.
Fruit: Obovoid, up to 2 cm long, spiny, dark grey-green with white pulp, deciduous by a longitudinal split.

Bibliography: Major references and further lectures
1) Edward Anderson “The Cactus family” Timber Press, Incorporated, 2001
2) Nathaniel Lord Britton, Joseph Nelson Rose “Cactaceae: Descriptions and Illustrations of Plants of the Cactus Family” vol. 4 The Carnegie Institution of Washington, Washington 1923
3) James Cullen, Sabina G. Knees, H. Suzanne Cubey "The European Garden Flora Flowering Plants: A Manual for the Identification of Plants Cultivated in Europe, Both Out-of-Doors and Under Glass" Cambridge University Press, 11/Aug/2011
12) David R Hunt; Nigel P Taylor; Graham Charles; International Cactaceae Systematics Group. "The New Cactus Lexicon" dh books, 2006
13) Hernández, H.M., Gómez-Hinostrosa, C. & León de la Luz, J.L. 2013. Echinocereus subinermis. In: IUCN 2013. "IUCN Red List of Threatened Species." Version 2013.1. <www.iucnredlist.org>. Downloaded on 24 October 2013.
14) Flora of North America Editorial Committee “Flora of North America: North of Mexico. Magnoliophyta: Caryophyllidae, part 1” Oxford University Press, 1993
15) Karl Schumann “Blühende Kakteen. Iconographia Cactacearum.” Im Auftrage Der Deutschen Kakteen-Gesellschaft Herausgegeben Von Prof. Dr. Karl Schumann (Prof. Dr. Max Gürke, Dr. F. Vaupel). 1900

Cultivation and Propagation: This cactus is cultivated and highly priced for its flowers. It is among the easiest species to grow, flower and propagate.
Waterings: Water regularly from March to October. Rot prone in winter, it needs good drainage.
Hardiness: It can not tolerate much frost. Frost Tolerance: Hardy to -2° C.
Exposition: It does not like full harsh sun as it seems to have a delicate skin and few spines, so give it a protected position in the partial-shade or under filtered sun.
Propagation: Seeds (usually), it also can be grown from cuttings, as it can branch from the base.