Compilation
Didymodoxa caffra

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Name

Identification
Isotype of Droguetia umbricola Engl. [family URTICACEAE ] Didymodoxa caffra (Thunb.) Friis&Wilmot-Dear [family URTICACEAE ] (stored under name); Australina acuminata Wedd. [family URTICACEAE ]
Related name
  • Parietaria cuneata
  • Australina acuminata
  • Droguetia umbricola
  • Pouzolzia erythraeae
  • Urtica zadula
  • Australina caffra
  • Didymodoxa acuminata
  • Australina capensis
  • Urtica caffra
  • Didymodoxa unrecorded
  • Didymodoxa caffra

Flora

Entry for Didymodoxa caffra [family URTICACEAE]
Herbarium
South African National Biodiversity Institute, Compton Herbarium, Cape Town (SAM)
Collection
Flora of Southern Africa
Resource Type
Reference Sources
Entry From
Flora of South Africa, (2003) Author: Dr J.P. Roux
Names
Didymodoxa caffra [family URTICACEAE]
Common names
Urtica caffra Thunb.: 31 (1794); Thunb.: 155 (1823). Australina caffra (Thunb.) Prain: 388 (1913); Fourc: 80 (1941). A. acuminata Wedd.: 212 (1854); Rendle: 306 (1917a); N.E.Br.: 555 (1925); Roessler: 2 (1967); Agnew: 325 (1974). D. acuminata (Wedd.) Wedd.: 549 (1857). D. cuneata Wedd.: 235.62.8 (1869), nom. illegit. superfl., based on A. acumina­ta. Type: KwaZulu-Natal, Yellowwood River, Drege s.n., specimen marked 'Parietaria cuneata E.M. a' (G!, K!, P!).
Information
Slender annual herb. Stems up to 0.5 m high, much branched, sometimes rooting at nodes, moderately to sparsely pubescent with patent stiff or slender curly hairs, sometimes also with a few hooked hairs. Leaves lanceolate, 23-75 x 14-40 mm, base cuneate, margin clearly crenate with 5-11 pairs of teeth, upper surface with sparse appressed stiff hairs, lower with numerous hairs on veins, few scattered hairs between veins; petiole 25-47 mm long; stipules lanceolate, 2-5 x 0.3-0.6 mm, attenuate, glabrous or ciliate. Inflorescence up to 5 mm in diameter; bracts lin­ear to narrowly lanceolate, ciliate. Achenes cov­ered with broad hooked hairs and glands, ± 1.75 x 1 mm, double fruits up to ± 3 x 2.5 mm present in Namibian material.
Use
2. Didymodoxa caffra (Thunb.) Friis & Wilmot-Dear in Friis in Boletim Sociedade Broteriana 58: 210 (1985b); Friis & Wilmot-Dear: 49 (1988); Friis: 60 (1989a); Friis: 114 (1991). Type: South Africa, without further locality, Thunberg s.n., specimen marked 'Urtica caffra beta' (UPS-THUNB!, lecto., vide N.E.Br. 1913: 80).
Range
In northern Namibia, the Northern Province, Gauteng, Mpumalanga, the Free State, Kwa-Zulu-Natal, Lesotho and the Eastern Cape; trop­ical East Africa as far north as Ethiopia. Among rocks or in forest in moist places. Map 23.

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