Gerbera ambigua

(Cass.) Sch.Bip.

: Asteraceae (Daisy family)
Common names : Pink and White Gerbera (E), Botterblom, Griekwateebossie (A), moarubetso (SS), ucabazane (Z).

Gerbera ambigua

Gerbera ambigua is a low-growing perennial daisy which makes an excellent edging plant for a border, or a contrast plant for grasses in a natural garden.

This species is highly variable in terms of leaf structure and inflorescence colour. It is a stemless perennial herb with a basal rosette of leaves emerging from a silky crown. The cylindrical roots are thick and fleshy. Leaves are very variable in shape, size, petiole length and indumentum (covering of hairs).

Leaves showing silvery reverse

Flower stalks (up to 35 cm) emerge from the crown and bear a single inflorescence ("flower") which is up to 5 cm in diameter. The ray florets are commonly white with a pinkish underside, or more unusually, yellow, with a coppery underside. The pappus hairs, which give the daisy centre its colour, may be deep purple or cream. Hilliard (1977) grouped the dark-centred forms with white-felted leaf undersides and strongly raised midrib and side veins into a separate species, G. kraussii, which has subsequently been incorporated into G. ambigua by Hansen (1984). Flowers occur mainly from September to December but may be found throughout the year.

Dark centred form

Yellow form

Pale centred form

Conservation Status
G. ambigua is not threatened.

Distribution and Habitat
Widespread throughout Africa from the coast to about 1900 m, this species is found in grassland, open woodland and damp areas. The fleshy roots enable it to survive both dry, cold winters and annual fires which are typical of most of the region in which it is found.

Derivation of name and historical aspects
The genus Gerbera was named by Jan Gronovius in 1737 for the Gerber brothers: Fr. Gerber, who collected plants in the West Indies , and Traugott Gerber, a German medical doctor baptised in 1710, and the curator of the oldest botanical garden in Moscow . In spite of extensive investigations, no link or reason has been found for the choice of their name for the genus (Ambrosius 2003). The specific name 'ambigua' is derived from the Latin for 'doubtful' or 'uncertain' and is an epithet often applied to highly variable species.

G. kraussii was first collected 'near Pietermaritzburg' by Christian Krauss, a prolific collector of plants in South Africa, between 1838 and 1840.

The inflorescence of G. ambigua is not specialised for a specific pollinator, and many different flying insects have been observed visiting the flowerheads. However, the most important pollinators are probably Coleoptera (beetles) which feed on the pollen and use the capitulum as a 'rendevous' platform.

Beetle feeding on pollen

Natural hybrids between G. ambigua and the Hilton daisy ( G. aurantiaca ) have been recorded. These plants have a leaf morphology intermediate between that of the two species, and their ray florets are pink or orange.

Growing with the red Hilton daisy

Uses and cultural aspects
Pounded leaf infusions of G. ambigua are used in Zulu traditional medicine for tapeworm and stomach ache, whereas root infusions are taken orally for coughs. In Zimbabwe , root infusions are used for heart pain and abdominal pain in babies.

Growing Gerbera ambigua

Propagation of G. ambigua can be done by using either seed or divisions. Seed should be collected at dispersal time and sown within three months. If they can not be sown immediately, they should be kept under normal storage conditions. Viable fruits can be distinguished as they are plump and firm to pressure. Use a well drained medium and keep moist. Germination occurs within two weeks and seedlings can be 'pricked out' as soon as they are large enough.

Large clumps of mature plants can be lifted, preferably in late winter, and gently divided into smaller pieces.

Plant into well-drained and composted soil in full sun or very light shade. Water as little as possible in winter.

All gerberas are prone to fungal discoloration of the leaves from midsummer onwards. This can be treated by spraying with a commercial fungicide.

G. ambigua makes a fine edging plant with its low-growing habit, attractive leaves and pretty white or yellow flowerheads. The dark-centred forms are especially attractive. As it contrasts well with indigenous tufted grasses, it is a good choice for a 'natural' grassland planting. It is also a useful rock garden subject.

References and further reading

  • Ambrosius, P. 2003. How the Barberton Daisy got its name. Veld & Flora 89(1): 30.
  • Hansen, H. 1985. A taxonomic revision of the genus Gerbera (Compositae, Mutisieae) sections Gerbera, Parva, Piloselloides (in Africa ), and Lasiopus . Opera Botanica 78: 5-36.
  • Hilliard, O.M. 1977. Compositae in Natal . University of Natal Press, Pietermaritzburg.
  • Hutchings, A.1996. Zulu medicinal plants: An inventory . University of Natal Press, Pietermaritzburg.
  • Pooley, E. 1998. A field guide to wild flowers KwaZulu-Natal and the Eastern Region. Natal Flora Publication Trust, Durban.

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Natal National Botanical Garden
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This page forms part of the South African National Biodiversity Institute's plant information website