Echinocereus dasyacanthus ENGELMANN subsp. dasyacanthus

Echinocereus dasyacanthus ENGELMANN subsp. dasyacanthus
WISLIZENUS. – Mem. Tour North. Mex.: 100 (1848)

Echinocereus dasyacanthus, n. sp. ovato-oblongus, s. subcylindricus, 17-18 costatus costis tuberculatis subinterruptis, areolis approximatis, ovato-lanceolatis, junioribus albo-villosis; aculeis albidis, junioribus apice rufidis radialibus sub-18 porrectis, summis brevioribus tenuioribus, lateralibus inferioribusque longioribus; centralibus 4-6 pluribus deflexis.
El Paso del Norte. The specimen before me, one of the largest, is 12 high, and 3.5 inches below, and 2 inches above in diameter; wool on the young areolae unusually long, deciduous ; upper spines 3 lines long, lower lateral ones slightly compressed 6 to 7 lines long, lowest 5 lines long; central spines nearly as long as the last, stouter than the others. From E. pectinatus and E. caespitosus,* which it resembles, it is distinguished by the longer, not appressed spines, the larger number and size of the central spines, &c.

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