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AGAVE AND YUCCA | CACTI | WILDFLOWERS

Echinomastus Warnockii


Plants > Cacti > Echinomastus > Echinomastus Warnockii
Echinomastus warnockii
Echinomastus warnockii, Big Bend Ranch State Park, Texas
Scientific name:
Echinomastus warnockii, sclerocactus warnockii
Common name:
Warnock's pineapple cactus
Range:
West Texas; the Big Bend area, westwards towards El Paso
Form:
Globe or short cylinder, up to 4 inches tall and 2.5 inches across
Habitat:
Desert scrubland, hills, gravelly washes
Flowers:
White or cream, with pinkish midstripes on the outer sepals; blooming February to March

Distribution map for echinomastus warnockii
Distribution map for echinomastus warnockii

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Echinomastus warnockii may be distinguished from some similar-looking species in the same region - far west Texas centered on the Big Bend area - by the spines; both the zero to four (usually one) central spines and 11 to 17 radial spines are similar in size and color. Other species have smaller, thinner radials. Spine clusters overlap, but do not hide the greyish green stem. Spine clusters form on tubercles which are arranged in spiral, vertical rows (13 of them). Spines are grey or pale yellow-brown, and up to one inch in length, the covering is relatively sparse, allowing the green stem color to be clearly visible. Plants are always solitary.

Relatively large flowers, one inch across, grow in springtime at the tip of the stem; they have a lobed green or yellow-green stigma at the center, surrounded by many stamens, with slender yellow filaments and darker yellow anthers, and tepals which are mostly white or pale cream, often with darker midstripes on the undersurface. The irregularly-shaped fruits are light green, maturing to purplish, and they appear between May and July.



photograph
Flowers and spines
photograph
Spine clusters
photograph
White flowers
photograph
Withered flowers
Cylindrical stem
Cylindrical stem
Thick spines
Thick spines
Spherical stem
Spherical stem
Pale-colored flower
Pale-colored flower
Two large flowers
Two large flowers
Egg-shaped stem
Egg-shaped stem

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