Sedum
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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 (Lima, Ancash); on rocky slopes, 3500 - 4000 m.

 

 

Description (according to Pino, “Crassulaceae of Peru" in Haseltonia #12, 2006, page 60 & 61) :

 

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.

 

 




Photos Margrit Bischofberger




Photos Meinolf Stützer



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