Knowltonia

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Ordo: Ranunculales

Familia: Ranunculaceae
Subfamilia: Ranunculoideae
Tribus: Anemoneae
Genus: Knowltonia
Species: K. anemonoides – K. assisbrasiliana – K. balliana – K. bracteata – K. brevistylis – K. caffra – K. capensis – K. chilensis – K. cordata – K. crassifolia – K. fanninii – K. filia – K. helleborifolia – K. hepaticifolia – K. hootae – K. integrifolia – K. major – K. mexicana – K. moorei – K. peruviana – K. sellowii – K. tenuifolia – K. transvaalensis – K. vesicatoria – K. whyteana
Name

Knowltonia Salisb., Prodr. Stirp. Chap. Allerton 372 (1796). (1796)

Type species: Knowltonia rigida Salisb., Prodr. Stirp. Chap. Allerton 372 (1796) (= Knowltonia capensis Huth, Samml. Naturwiss. Vorträge 3: 69 (1890).)

Synonyms

Homotypic
Anemone ser. Knowltonia (Salisb.) J.C.Manning & Goldblatt, Bothalia 39(2): 218 (2009).
Heterotypic
Anamenia Vent., Jard. Malmaison 1: 22 (1803).
Barneoudia Gay, Fl. Chil. 1: 29 (1845).
Capethia Britton, Ann. New York Acad. Sci. 6: 216 (1892).
Christophoriana Burm. ex Kuntze, Revis. Gen. Pl. 1: 1 (1891).
Oreithales Schltdl., Linnaea 27: 559 (1856).
Thebesia Neck., Elem. Bot. 2: 313 (1790).

References
Primary references

Salisbury, R.A. 1796. Prodromus stirpium in horto ad Chapel Allerton vigentium. VIII + 422 pp. Londini [London]. BHL Reference page.

Links

Govaerts, R. et al. 2020. Knowltonia in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2020 Feb. 5. Reference page.
Hassler, M. 2020. Knowltonia. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2020. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2020 Feb. 5. Reference page.
International Plant Names Index. 2020. Knowltonia. Published online. Accessed: Feb. 5 2020.
Tropicos.org 2020. Knowltonia. Missouri Botanical Garden. Published on the internet. Accessed: 2020 Feb. 5.

Knowltonia is a genus of the family Ranunculaceae. There are eight species native to South Africa.[1] The juice from the stem of many of the species in the genus is a powerful vesicant.
Species include

Knowltonia vesicatoria
Knowltonia capensis

References

MANNING, J.C., GOLDBLATT, P. & HOOT, S.B. 2009. The genus Knowltonia (Ranunculaceae) subsumed within Anemone. Bothalia 39: 217–219