PINCUSHION CACTUS
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Escobaria vivipara   (Nutt. ) Buxb.  var. vivipara 
[=Coryphantha vivipara  (Nutt. ) Britton & Rose]
Russell County, Kansas
Perennial succulent
Height: 1.5-3 inches
Family: Cactaceae - Cactus Family
Flowering Period:   May, June, July, August
Stems: 1 to several, more or less spherical, dark green, to 2.5 inches in diameter, covered with spirally arranged projections called "tubercles"; tubercles elliptical, grooved on upper side; areoles at tubercle tips, white-woolly when young; central spines 3-4 or occasionally more, 1/3 to 3/4 inch long, reddish brown, 1 bent downward, others ascending; radial spines 12-20, 1/3 to 1/2 inch long, white with brown tips.
Leaves: Absent
Inflorescences: 1 to several flowers on new growth of current season, at base of upper side of tubercles.
Flowers: Funnel-shaped, 1 to 1.5 inches tall, 1.5 to 2 inches across; perianth parts numerous, petal-like, in several rows; outer parts greenish or brownish; inner parts pink to reddish purple; tips sharply pointed; stamens numerous, anthers bright orange.
Fruits: Berries, fleshy, oblong to club-shaped, 1/2 to 3/4 inch long, green when mature; seeds tiny, pitted, yellowish brown.
Habitat: West two thirds of Kansas.
Distribution: Dry, sandy or rocky prairies.
Comments: Pincushion cactus occurs from Texas to Canada. It exhibits good resistance to freeze damage.

Pincushion cactus flowers and spines
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Pincushion cactus perianth and anthers
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Comanche County, Kansas
Pincushion cactus
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Pincushion cactus
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Pincushion cactus
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Russell County, Kansas
Pincushion cactus
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Russell County, Kansas
Pincushion cactus
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Russell County, Kansas