INCARUM (Ball) Pino, 2006
Synonyms :
Villadia incarum (Ball) Baehni & Macbride (1937)
Cotyledon incarum Ball (1885)
Altamiranoa incarum (Ball) A. Berger (1930)
Cotyledon incanum Ball (1885)
Villadia dyvrandae (Hamet) Baehni & Macbride (1937)
Sedum dyvrandae Hamet (1914)
Altamiranoa dyvrandae (Hamet) A. Berger (1930)
Sedum backebergii von Poellnitz (1939)
Distribution : Peru (Dept. Lima, Ancash, Huancavelica); on rocky slopes, 3500 - 4000 m.
Description according to G. Pino, Crassulaceae of Peru, Haseltonia 12 : 60-61, 2006 :
Stem decumbent, 7 – 12 cm long.
Branches erect, 8 – 15 cm long, light green to reddish.
Leaves spirally attached, densely imbricate on young shoots, sessile, narrowly ovate to subtriangular, 5 – 10 mm long, up to 4 mm wide and up to 3,5 mm thick, blunt-subacute, dull green to reddish.
Inflorescences terminal, dense cymes, branching into 2 or 3 cincinni, 5 – 18 mm long, light green, each bearing 2 or 3 flowers.
Flowers 7 – 12, apical flower sessile at the base of the last cincinnus, sepals lanceolate, obtuse, up to 4,5 mm long, petals oblong-rectangular, acute, united at the base, straight or slightly curved outwards, 5 – 6 mm long, 2 – 2.5 mm wide, outer surface white with a brownish keel, inner surface white, stamens 10, filaments white, anthers yellow.
Cytology : n = 88, 89
The spelling 'incanum' (Latin, ash-grey) is used in the protologue, but there is nothing grey mentioned for the plants, and the epithet was later corrected to 'incarum' in the errata.