Echinocereus parkeri N.P.Taylor

국표에는 없다.

Origin and Habitat: Coahuila, Nuevo León, Tamaulipas, San Luis Potosi, and Zacatecas
Habitat: It is a widespread and common species in the southern Chihuahuan Desert, at elevations of 1450 to 1900 metres above sea level. It occurs mainly on the top of limestone hills in xerophytic shrubland together with Mammillaria rubrograndis and Mammillaria glassii var. nominis-dulcis|SN|5398]].

Description: Echinocereus parkeri is one of the smaller clumping Echinocerei, forming low bushes. It is generally uncommon species in collections, easy to grow and ready flowering. Has tapered stems protected by 5 cm long straight spines.
Related species: Echinocereus parkeri has points in common with Echinocereus viereckii, Echinocereus stramineus and Echinocereus nivosus. It is between them in both taxonomic and geographic senses, and leaves no room for doubt that they and their other allies forms a natural species complex. Charlie Glass thought it was closely related to Echinocereus viereckii, possibly conspecific.
Habit: Plants with many stems, forming compact mounds or open clumps.
Stems: Tapering or cylindrical, to 15 cm high, 2-6 cm in diameter.
Ribs: 6-10, deeply tuberculate.
Central spines: 1-8, dark, becoming glassy white to yellowish, 2-6,5 cm long.
Radial spines: 6-18, usually glassy white, very slender, 7-12 mm long.
Flowers: Almost apical,diurnal, very showy, 4,5-5,5 cm long, 4,5-6 cm in diameter, funnel-form, magenta to deep pink, with white throats.
Fruits: Almost spherical, green with white pulp, with glassy white spines tending to fall off.

Echinocereus parkeri (llifle.com)

https://youtu.be/WWJiSl2DOqE