Schlumbergera microsphaerica

Description:
Phylloclades cylindrical, 4 cm long and 0.5 cm diameter, with few, spined areoles. Flowers with a well-developed perianth-tube, zygomorphic, up to 4 cm long, solid fuchsia pink with little recurve, self-fertile.
Fruits spherical, greenish, angled.
Flowering period in northern hemisphere: April-May.

First description:
Schumann, K. (1890): Flora Brasiliensis. Vol. 4, no. 2: 197.

(click to enlarge)

Origin of the name:
micros (gr.) = small, sphaira (gr.) = sphere; for the small terete stem segments.

Occurence:
Brazil (Minas Gerais, Rio de Janeiro), known only from two disjunct locations in the states of Minas Gerais and Rio de Janeiro above 2400 m elevation.

Synonyms:

Cereus microsphaericus Schumann (1890)
Cereus obtusangulus Schumann (1890)
Epiphyllanthus obtusangulus Berger (1905)
Zygocactus candidus Loefgren (1918)
Zygocactus obtusangulus (K. Schumann) Loefgren (1918)
Epiphyllanthus candidus (Loefgren) Britton & Rose (1923)
Epiphyllanthus microsphaericus (K. Schumann) Britton & Rose (1923)
Zygocactus microsphaericus (K. Schumann) Buxbaum (1957)
Schlumbergera obtusangula (K. Schumann) R. Hunt (1969)
Schlumbergera candida (Loefgren) Hövel (1970)
Schlumbergera microsphaerica obtusangula (K. Schumann) P. V. Heath (1992)
Schlumbergera microsphaerica parvula (K. Schumann) P. V. Heath (1992)
Schlumbergera microsphaerica candida (Loefgren) D. R. Hunt (1995)

Pictures:

(click to enlarge)