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Escobaria dasyacantha ssp. chaffeyi

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Escobaria dasyacantha  ssp. chaffeyi
SB839 from the Saltillo area of southern Coahuila, Mexico.
Forms elongated balls
often so densely swathed with fine cream-brownish spines that it has a soft hazy appearance.

Description:  E. chaffeyi is a small nipple Cactus forming solitary (or rarely with 2-5 branches) elongated ball densely covered with cream-brownish spines with darker tip.
Stems: It is globular in its youth although it tends towards cylindrical with age, 4.5-15 tall, 3-6 cm wide
Tubercles: 7-8 × 3-5mm, moderately soft, concealed by the numerous spines.
Radial Spines: 21-31 per areole 6-10 mm long; interlacing cream-brownish, bristly with dark pink, red-brown to nearly black tips 26-42 per areole;
Subcentral spines: Several, appressed;
Central spines: Inconspicuous one to 9 per areole, short, spreading, straight, longest spines 12-17 mm.
Roots: Diffuse or whit a short taproot.
Flowers: Nearly apical that form a ring round the top of the stem, 15-30 mm, The flower colour is rather variable, pale-pink, brik-red, straw, brownish-purple or rarely light green with a darker pinkish to brown or brownish green midstripes.
Blooming: March-may.
Fruits: Bright red, clavate, cylindric, or narrowly ellipsoid, 13-35mm long not very succulent; floral remnant strongly persistent.

Cultivation: Easy to cultivate in a very gritty substrate with much drainage (very rot-prone). Water regularly in summer, but do not overwater (very rot prone), it prefer a completely dry place during winter . An unheated greenhouse would be perfect. it is hardier than one would suppose - winter hardiness estimates I've read range from -13C to -17C. Full sun to light shade.

Propagation: Seeds (no dormancy requirement, they germinate best at  25°C in spring ) or usually by offsets (readily available), or occasionally grafted.

Photo gallery: Alphabetical listing of Cactus and Succulent pictures published in this site.

Photo gallery ESCOBARIA


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Family: Cactaceae (Cactus Family)

Conservation status: Listed in CITES appendix 2.

Escobaria chaffeyi

Scientific name: Escobaria dasyacantha var. chaffeyi (Britt. & Rose) N.P. Taylor (BONAP Range)

 
Synonyms:
  • Coryphantha chaffeyi (Britt. & Rose) Fosberg
  • Escobaria chaffeyi Britt. & Rose
  • Escobaria dasyacantha subsp. chaffeyi
  • Escobaria dasyacantha var. chaffeyi (Britt. & Rose) N. Taylor.
  • Mammillaria chaffeyi

Taxon synonyms Chaffey's cory-cactus. Cob Cactus

Origin: This tiny cactus has its main distribution in Mexico (Coahuila, San Luis Potosí and Zacatecas) but its northernmost extension arrive to the Mountains of Brewster County in Texas.

Habitat: Grows in in open areas or under trees in evergreen woodlands on rocky igneous or limestone slopes at ca. 1500-2200 m.
 

 


Photo of conspecific taxa, varieties, forms and cultivars of plants belonging to the Escobaria tubercolsa complex (This Taxon has lots of synonyms whit several controversial varieties and subspecies and comprises a multitude of different forms, but where each form is linked to others by populations of plants with intermediate

Home | E-mail | Plant files | Mail Sale Catalogue | Links | Information | Search

All the information and photos in cactus art file are now available also in the new the Enciclopedia of Cacti. We hope you find this new site informative and useful.