This grower is fairly sure of this plant identification.
A smooth skinned, smaller growing form of Gasteria bicolour. It offsets fairly rapidly, spreading to fill a bowl or half pot, and a good root system below. This plant can withstand low temperatures, but not freezing or prolonged wet.
Gasteria liliputana. This species is a clump forming succulent, the leaves are rosettes of lance-shaped to linear toothed glossy dark green leaves. The flowers are racemes of tubular orange to green blooms from the spring to the summer.
They are frost tender, min 5C, It is easy to grow and will need a sunny position or partial shade in very well drained soil.
Flowers and foliage.
Italics = data drawn from parent genus or speciesView Full Plant Finder Record