Mila Britton & Rose (1922)

anagram of Lima the capital of Peru located nearby the habitat where this genus was discovered for the first time
small, columnar, forms cluster, stems straight or bended, soft fleshy
spines strong, subulate, rigid to soft, some of it merging into hair bristles
flowers short tube-shaped, funnel-shaped, at the apex, yellow or creme-white, outside is felted and hirsute
fruits succulent, small, bacciform, without any spines
seeds black

Highslide JS


mountains and high mountains

Growth period

sunny, warm and airy with adequate moisture
a open-air location at a protected area with full sun is possible during the summer
cultivation in bowls or hanging baskets is recommanded
not suitable for a cultivation indoors

Winter period

light, dry and airy at (37–)41–46°F ((3–) 5–8°C), preferably not more than 68°F (20°C)


sandy-loamy, very permeable to water and nutrient-rich
a good drainage is very important
Mila caespitosa Britton & Rose (1922)
Highslide JS
  Highslide JS    


Ancash, Lima, Ica - lower Rimac-valley nearby of Santa Clara
in 3300–8200 ft (1000–2500 m) altitude


at most 5.9 in (15 cm) high, 1.2 in (3 cm Ø), clumping
ca. 10 ribs
areoles brown felted, later white wooly
spines initially yellow with brown tips, later complete brown

central spines numerous, to 0.4 in (1 cm) long, the strongest thereof to 1.2 in (3 cm) long
flowers 0.6 in (1.5 cm) long, yellow, reddish when wilt

Flowering time

July–August in cultivaton
5–6 years from seed



CITES Appendix II
Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available.
Pictures with courtesy of the Botanical Garden of the University of Heidelberg, Germany made available.