Sebsebea orthacantha

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: Sebsebea
Species: Sebsebea orthacantha

Name

Sebsebea orthacantha (Hochst. ex Asch.) Di Vincenzo, Berends., Wondafr. & Borsch, Taxon 74: 93 (2024).

Synonyms

• Basionym
  • Pupalia orthacantha Hochst. ex Asch., Beitr. Fl. Aethiop. 181. (1867).
    • Lectotype (designated by Di Vincenzo et al. 2024): ETHIOPIA. Goelleb and Dschadsche, alt. 4000–6000 m, Aug–Sep 1854, G. Schimper 2153. JE JE00026022; Isolectotypes: GOET GOET005657, K K000243624, S S07-12231; BR BR0000008357076, P P00482810.
• Homotypic
  • Cyathula orthacantha (Hochst. ex Asch.) Schinz, Nat. Pflanzenfam. [Engler & Prantl] 3. 1a.: 108 (1893).
  • Kyphocarpa orthacantha (Hochst. ex Asch.) C.B.Clarke, Fl. Trop. Afr. [Oliver et al.] 6(1.1): 55. (1909). (as "Cyphocarpa")
  • Sericocomopsis orthacantha (Schinz) Peter, Repert. Spec. Nov. Regni Veg. Beih. 40(2): 230. (1938).
• Heterotypic
  • Cyathula kilimandscharica Suess. & Beyerle, Repert. Spec. Nov. Regni Veg. 44: 44. (1938).
    • Lectotype (designated by Di Vincenzo et al. 2024): TANZANIA. Deutsch-Ost-Afrika, Kilimandscharo, Kil. N. Soitokilok, Buschsteppe, alt. ca. 1700 m, 23 Apr 1934, H. Schlieben 5122 M0107349.
  • Cyathula orthacanthoides Suess., Mitt. Bot. Staatssamml. München 1: 4. (1950)
    • Type: TANZANIA. Mpwapwa, 28 Mar 1945, I.H. von Rensburg 28. K.
  • Pupalia erecta Suess., Repert. Spec. Nov. Regni Veg. 44: 47. (1938).
    • Holotype: TANZANIA. Bezirk Iringa, Ruahatal zw. Dodoma und Iringa, Akaziensteppe, alt. 700 m, 7 Mar 1934, C. Troll 5212. B 10 0154186.

Distribution

Native distribution areas:
Africa Northeast Tropical Africa Eritrea, Ethiopia, Sudan East Tropical Africa Kenya, Tanzania, Uganda South Tropical Africa Angola, Malawi, Mozambique, Zambia, Zimbabwe Southern Africa Botswana, Namibia, Northern Provinces 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. 
• Schinz, H. 1893. Amarantaceae. pp. 91–118. In: Engler, A. & Prantl, K. (eds.), Die natürlichen Pflanzenfamilien, III Teil, Abteilung 1a. Leipzig: Wilhelm Engelmann. BHL Reference page. 
• Ascherson, P. 1867. Amarantaceae. pp. 172–183. In Schweinfurth, G.A.: Beitrag zur Flora Aethiopiens. Berlin, G. Reimer. Hathitrust Reference page. 

Links

• Govaerts, R. et al. 2025. Sebsebea orthacantha in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2025 Nov. 21. Reference page. 
• International Plant Names Index. 2025. Sebsebea orthacantha. Published online. Accessed: Nov. 21 2025. Reference page.