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Mammillaria bombycina "Split spines"
(cv. Trispina)

CACTUSPEDIA       

 


This very rare cultivar has unique "Split spines". This is an exclusive feature never seen in other cacti.
 

Description:  Plants often form large clumps up to 80 cm wide. Stems globose to club shaped, bright green, 7 - 14 cm tall, 5 - 6 cm in diameter. With dense wool and bristles in the axil.
Spines: Central: 3 - 8, yellow with dark reddish brown, straight, and up to 11 mm long. T he lowermost one is 20 mm long, split and forms two accessories with lateral forking.  Radials: 30 - 64, stiff, thin, needle-like, glassy white to yellowish white, up  to 8 mm.
Flowers: Funnel-form, bright pink, up to 15 mm in length and in diameter.
 

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Family: Cactaceae

Scientific name: Mammillaria bombycina
First description by Quehl, Monatsschr. Kakteenk. 20: 149 with fig. (1910)
cv. Split spines (sometime called cv. Trispina )

Synonyms of M. bombycina:

  • Mammillaria bombycina cv. Trispina
  • Neomammillaria bombycina (Quehl) Britton and Rose 1923,
  • Chilita bombycina (Quehl) Orcutt 1926
  • Ebnerella bombycina (Quehl) Buxbaum 1951



It is an easy bloomer and one of the easier species to grow, they are the most beautiful when cultivated in the full sun.


 

Cultivation: Water regularly in summer, but do not over-water (rot prone).  Use a pot with good drainage and a very porous potting media. Keep dry in winter. Feed with a high potassium fertilizer in summer.  It is quite frost-resistant if kept dry, hardy as low as -5° C (some reports give it hardy to -12°C).  Outside full sun or afternoon shade, inside it needs bright light, and some direct sun.

Propagation: Grafting, division of larger clumps.

 

Photo of conspecific taxa, varieties, forms and cultivars of Mammillaria bombycina.

 

 

 

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

Photo gallery MAMMILLARIA

 

 

 

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