Chasmanthe floribunda

Chasmanthe floribunda is a species of flowering plants in the iris family which is known by the common name African flag. This plant is endemic to Cape Province in South Africa, but it has been introduced to other areas of similar climate, and is considered to be naturalized in California, Algeria, Australia, Argentina, and St. Helena.[1][2][3][4][5]

Chasmanthe floribunda
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Iridaceae
Genus: Chasmanthe
Species:
C. floribunda
Binomial name
Chasmanthe floribunda
Synonyms[1]
  • Antholyza floribunda Salisb.
  • Petamenes floribunda (Salisb.) E.Phillips
  • Antholyza praealta Redouté

Chasmanthe floribunda is a perennial sprouting from a corm and producing clumps of long, narrow leaves. It erects one thin, tall stem which may approach a meter in height. Atop the stem is a spike inflorescence holding 20 to 40 flowers in neat vertical rows. The flower is a curving tube with a long upper lobe curving down over smaller lobes. From the mouth of the flower protrude the stamens with their large, hanging anthers, and the style. The flower is generally bright orange-red or scarlet on the upper lobe and yellow to orange in the lower lobes.

Chasmanthe emerges from the ground in autumn in the Western Cape, South Africa, after the first winter rains. It is loved by sunbirds, who appreciate the nectar it provides at this time of year. Chasmanthe will flourish and flower in both sun and shade.

Varieties[1]
  1. Chasmanthe floribunda var. duckittii G.J.Lewis ex L.Bolus
  2. Chasmanthe floribunda var. floribunda – Yellow cobra lily
Chasmanthe floribunda in habitat near Cape Town, South Africa

References
  1. Kew World Checklist of Selected Plant Families
  2. Cooke, D.A. (1986). Flora of Australia 46: i-xii, 1-247. Australian Government Publishing Service, Canberra.
  3. Hurrell, J.A. & Delucchi, G. (2005). Iridaceae Ixioideae adventicias en la Argentina. Boletín de la Sociedad Argentina de Botánica 40: 289-296.
  4. Lambdon, P. (2012). Flowering plants & ferns of St Helena: 1-624. Pisces publications for St Helena nature conservation group.
  5. Biota of North America Program 2013 county distribution map


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