includes twenty-one species of succulent perennials. They are plants that can be kept in the apartment, but they need a lot of sun to produce flowers.
The leaves: they are cylindrical or semicylindrical, carried by short stems.
The flowers: they are large, yellow, appear in autumn, in the late afternoon of sunny days.
G. arrectum: South Africa origin, height and diameter 10-15 cm. The leaves are thick and about five centimeters long, which become purple if the plant is in a sunny position. The flowers are 5-7 cm wide.
G. Nellii: South Africa origin, height and diameter 10-15 cm. It has opposite leaves, about five centimeters long, inserted on the stem on two rows.
The leaves of each pair are of different lengths.
at a window facing south.
Temperature: in winter it should not fall below ten degrees.
it is watered from the middle of August until after flowering. Plants must not be watered too much, otherwise the flowering does not take place. In the other periods the watering stops and even if the plant withers it is a natural phenomenon.
Fertilization: administer a liquid fertilizer diluted in the water of the watering every two weeks during the vegetative period.
soil for cactaceae, with the addition of sand and gravel in equal parts.
it is sown in spring at a temperature of twenty-one degrees; since the glottiphyllum easily hybridize the seeds often produce plants with characteristics different from those desired. They also multiply by cutting leaves with stems.
Cuttings are made during the summer.
Glottiphyllum nelii: Parasites
the plants are attacked by scale insects that slow down their growth.