Echinocereus stramineus (form with very dense white spines )
SB1038 San Pedro, Coah. MX
The plants of this species are densely covered with many thin spines that give them a straw-like appearance. They vary from shortly - and frankly spined to long - and dense spined and from brightly white until dark colours of spination.
 

Description: Clumping cactus, forming large, compact colonies with 100 or more stems(occasionally up to 500 heads) These larger clumps are rounded, often 60-90cm across and nearly as high.
Stem: Each head 10-30 cm long, 3-10 cm in diameter.
Ribs: 10 to 13 sinuous with fairly deep furrows between them.;
Areoles: 8 to 25 mm apart;
Spines: 1 to 4 central spines, up to 9 cm long; 7-14 radials, up to 3 cm long. They vary from shortly - and frankly spined to long - and dense spined and from brightly white/ yellowish until dark red and black colours of spination.
Flowers: Abundant large bright pink to purple-red flowers in late spring, up to 12.5 cm diameter, 8-12 cm long, They are dark red (or rarely gold & green) at the base, fading to rose at the tips. The inner petals are toothed. The 10–15 outer petals have pink edges
Fruit: dark red edible and delicious (tastes similar to strawberries just like Echinocereus engelmannii & E. cinerascens do) , 5 cm in diameter.

Cultivation: Rot easily it is sensitive to overwatering (rot prone) needs a very good drainage to avoid rotting, Keep drier and cool in winter. Need full sun. Very cold resistant  above approx -12C or less for short periods of time.

Propagation: Cutting as it produces abundant suckers; Also can be grown from seeds.

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Scientific name:  Echinocereus stramineus Engelmann) F. Seitz,
Published in: Cat. Cact. Cult. 11. 1870.

( Usually cited as Echinocereus stramineus Engelmann ex Rümpler 1885 )

Origin:  USA (southwest Texas, New Mexico), Mexico (Chihuahua, Coahuila, Nuevo Leon)

TL: Texas, Mtns near El Paso, Wright, 1851 (MO).

Conservation status: Listed in CITES appendix 2.

Common Name: 

• Strawberry hedgehog cactus

• Straw-Colored Hedgehog

• Cereus stramineus Engelmann 1856
• Echinocereus enneacanthus  var. stramineus (Engelm.) L. Benson1969
• Echinocereus stramineus var. conglomeratus (Blanc) Bravo 1974
  = Cereus conglomeratus
  = Echinocereus conglomeratus.
  = Echinocereus stramineus fa. conglomeratus Parker 1996 nom. nud.
• Echinocereus stramineus var. major Haage 1897 nom. nud
  = Echinocereus stramineus var. major Schelle 1907 nom. nud.
• Echinocereus stramineus var. major-aureispina  Fric 1924:121 nom. nud.

Conspecific taxa:

• E. stramineus subsp. stramineus is the most abundant in the southwestern US.

• E. stramineus subsp. occidentalis is only in the wild in Durango Mexico, and blooms a month later than the 'stramineus' subspecies.