Cyathula welwitschii

Taxonavigation

Taxonavigation: Caryophyllales
Classification System: APG IV Superregnum: Eukaryota Cladus: Diaphoretickes Cladus: CAM Cladus: Archaeplastida Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Ordo: Caryophyllales

Familia: Amaranthaceae s.l.
Cladus: Amaranthaceae s.str.
Subfamilia: Amaranthoideae
Genus: Cyathula
Species: Cyathula welwitschii

Name

Cyathula welwitschii (Schinz) Di Vincenzo, Berends., Wondafr. & Borsch, Taxon 74(1): 91 (2024).

Synonyms

• Basionym
  • Achyranthes welwitschii Schinz, Bot. Jahrb. 21: 187. (1895)
    • Lectotype (designated by Cavaco in Mem. Mus. Natl. Hist. Nat., B, Bot. 13: 141. 1962): ANGOLA. Welwitsch 6488. LISU LISU221232; Isolectotypes: BM BM000910330, C C10000111, K K000243756, Z+ZT Z-000056078.
• Homotypic
  • “Achyranthes welwitschii Schinz” in Engler, Pflanzenw. Ost-Afrikas 2C: 174. 1895, isonym.
  • Pandiaka welwitschii (Schinz) Hiern, Cat. Afr. Pl. (Hiern) 1: 894. (1900)
  • Centrostachys welwitschii (Schinz) Standl., J. Washington Acad. Sci. 5: 76. (1915)
• Heterotypic
  • Achyranthes schweinfurthii Schinz, Bull. Herb. Boissier 4: 421. (1896)
    • Pandiaka schweinfurthii (Schinz) C.B.Clarke, Fl. Trop. Afr. [Oliver et al.] 6(1.1): 69. (1909)
    • Centrostachys schweinfurthii (Schinz) Standl., J. Washington Acad. Sci. 5: 76. (1915)
      • Type: SUDAN. Dem Gudju, Dar Fertit, 26 Jun 1871, G. Schweinfurth ser. 3, 66. Z+ZT Z-000056075.
  • Psilotrichum debile Baker, Bull. Misc. Inform. Kew 1897: 279. (1897)
    • Pandiaka debilis (Baker) Hiern, Cat. Afr. Pl. 1: 894. (1900)
    • Pandiaka welwitschii var. debilis (Baker) Suess., Repert. Spec. Nov. Regni Veg. 44: 47. (1938)
    • “Pandiaka welwitschii var. debilis (Baker) Cavaco” in Mém. Mus. Natl. Hist. Nat., B, Bot. 13(1): 141. 1962, isonym.
      • Lectotype (designated by Cavaco in Mém. Mus. Natl. Hist. Nat., B, Bot. 13: 141. 1962): ANGOLA. Welwitsch 6570. LISU; Isolectotypes: BM BM000910335, BR 0000008820105], K K000243757, MEL MEL 2460640.
  • Pandiaka kassneri Suess., Bull. Jard. Bot. État Bruxelles 15: 66. (1938)
    • Lectotype (designated by Di Vincenzo et al., 2024): CONGO (D.R.C.), Shaba, Kasanga, 23 Mar 1908, Kässner 2665. B B 10 0154188; Isolectotypes: BR 0000008820082, K K000243740, M M-0107315 [fragments of inflorescence], P P00466162, Z+ZT Z-000056076.
  • "Achyranthes kassneri Schinz ex Peter", Repert. Spec. Nov. Regni Veg. Beih. 40(2): 240. (1938), nom. nud.

Distribution

Native distribution areas:
Africa West-Central Tropical Africa ?Burundi, Central African Republic, Cameroon, SE-DR Congo, Rwanda East Tropical Africa Tanzania Northeast Tropical Africa S-Sudan South Tropical Africa Angola, Zambia References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

References

Primary references

• Di Vincenzo, V., Berendsohn, W., Wondafrash, M. & Borsch, T. 2025. Phylogenetics and morphological character evolution in the achyranthoid clade (Amaranthaceae): Evidence to re-circumscribe the genera Achyranthes and Cyathula and to resurrect a third species of the former genus Sericocomopsis in East Africa. Taxon 74(1): 66–100. DOI: 10.1002/tax.13284 Reference page. 
• Hiern, W.P. 1900. Catalogue of the African Plants collected by Dr. F. Welwitsch in 1853-61. [Vol. I.] Dicotyledons, Part IV. Pp 785–1035. London. BHL Reference page. 
• Schinz, H. 1895. Amarantaceae africanae. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 21: 178–191. BHL Reference page. 

Links

• Govaerts, R. et al. 2025. Cyathula welwitschii in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2025 Nov. 26. Reference page. 
• International Plant Names Index. 2025. Cyathula welwitschii. Published online. Accessed: Nov. 26 2025. Reference page.