Xerophyte

Description

Sulcorebutia roberto-vasqueziiSN|34231]]SN|34231]] (robertovasquezii or roberto-vasqueziana) is one of the local or morphological form of the very variable Rebutia canigueralii subs. crispata that shows a large range of natural variability, especially the colour of the flower. S. roberto-vasquezii distinguishes for its peculiar white bloom with pale creamy throat and hints of pink on the outside, and very dark green body. The spines are white adpressed, straight or slightly twisted, bristly with reddish bases. The areoles are white and narrow.

Roots

Large napiform up to 7 cm long.

Flowers

Buds often numerous greenish to reddish-brownish, borne on the sides or at the base of the stems from older areoles. The flowers are fragrant up to 23-30 mm long and 35-45 mm across. They are often white to creamy, sometimes rose-violet in the outside and white inside (rarely completely rose-violet with salmon shades).

Stem

Solitary except in case of injury to the growing tip, flattened globular, up to 5 cm tall and 6 to 10 cm across.

Radial Spines

14 to 24, pectinate (comb-like) pointing sideward or slightly bent upwards, 1.5-0 mm long. Usually whitish to yellowish or (rarely) brownish coloured, often darker and thickened at the base. The surface of the spines is very rough.

Fruits

Globular, 5.0-6.5 mm across, at first whitish to yellowish, later light-brownishdiameter and contain 25 to 60 seeds.

Areoles

Narrow and elongated 0.5-1 mm wide and 3 to 6 mm long.