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Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Asparagales
Family: Iridaceae
Subfamily: Crocoideae
Tribe: Croceae
Genus: Thereianthus
G.L. Lewis
Type species
Thereianthus spicatus
(L.) G.J. Lewis

Thereianthus is a genus of flowering plants in the family Iridaceae, first described as a genus in 1941. The entire genus is endemic to Cape Province in South Africa.[1][2][3]

The genus name is derived from the Greek words thereios, meaning "summer", and anthos, meaning "flower".[4]

  1. Thereianthus bracteolatus (Lam.) G.J.Lewis
  2. Thereianthus bulbiferus Goldblatt & J.C.Manning
  3. Thereianthus elandsmontanus Goldblatt & J.C.Manning
  4. Thereianthus intermedius Goldblatt & J.C.Manning
  5. Thereianthus ixioides G.J.Lewis
  6. Thereianthus juncifolius (Baker) G.J.Lewis
  7. Thereianthus longicollis (Baker) G.J.Lewis
  8. Thereianthus minutus (Klatt) G.J.Lewis
  9. Thereianthus montanus J.C.Manning & Goldblatt
  10. Thereianthus racemosus (Klatt) G.J.Lewis
  11. Thereianthus spicatus (L.) G.J.Lewis


  1. ^ a b Kew World Checklist of Selected Plant Families
  2. ^ Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
  3. ^ Manning, J.C. & Goldblatt, P. (2011). Taxonomic revision of the genus Thereianthus (Iridaceae: Crocoideae). Bothalia 41: 239-267.
  4. ^ Manning, John; Goldblatt, Peter (2008). The Iris Family: Natural History & Classification. Portland, Oregon: Timber Press. pp. 130–33. ISBN 0-88192-897-6.