Compilation
Canthium welwitschii

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Name

Identification
Psydrax subcordata (DC.) Bridson [family RUBIACEAE ] (stored under name); Verified by Bridson,D., Canthium welwitschii Hiern [family RUBIACEAE ]
Related name
  • Canthium unrecorded
  • Canthium macrophyllum
  • Psydrax subcordata
  • Canthium welwitschii

Flora

Entry for Psydrax subcordata var. subcordata [family RUBIACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 5, Part 2, (1998) Author: D. Bridson
Names
Psydrax subcordata var. subcordata [family RUBIACEAE], —Bridson in F.T.E.A., Rubiaceae: 894, fig. 159 (1991). TAB. 69.
Canthium glabriflorum Hiern [family RUBIACEAE], in F.T.A. 3: 140 (1877). Syntypes from São Tomé and Nigeria.
Canthium polycarpum Schweinf. ex Hiern [family RUBIACEAE], in F.T.A. 3: 139 (1877). Type from Sudan.
Plectronia glabriflora Hiern K. Schum. [family RUBIACEAE], in Engler, Pflanzenw. Ost-Afrikas C: 386 (1895).
Plectronia subcordata DC. K. Schum. [family RUBIACEAE], in Engler, Pflanzenw. Ost-Afrikas C: 386 (1895), pro parte.
Canthium welwitschii Hiern [family RUBIACEAE], Cat. Afr. Pl. Welw. 1: 475 (1898). Type from Angola.
Plectronia welwitschii Hiern K. Schum. [family RUBIACEAE], in Just's Bot. Jahresber., 26th year, part 1: 393 (1900).
Plectronia formicarum K. Krause [family RUBIACEAE], in Bot. Jahrb. Syst. 54: 351 (1917). Type from Cameroon.
Plectronia laurentii var. katangensis De Wild. [family RUBIACEAE], Notes Fl. Katanga 7: 61 (1921). Type from Zaire (Dem. Rep. Congo) (Shaba Prov.).
Canthium sp. 1 [family RUBIACEAE], of F. White, F.F.N.R.: 403 (1962).
Information
Bracts 1–2 mm long; bracteoles up to 1(2) mm long, inconspicuous.Calyx limb 0.5(1) mm long.
Habitat
In swamp forest (mushitu)
Range
throughout west tropical Africa
Altitude range
1525–1650 m.
1650
1525
Distribution
Zambia W Solwezi Distr., 11 km north of Solwezi Boma, fr. 14.ix.1952, Holmes 864 (BM; FHO; K; PRE; WAG).Zambia N Ishiba Ngandu (Shiwa Ngandu), young fr. 26.vii.1938, Greenway 5525 (EA; K).
Distribution (external)
Cameroon
Central African Republic
Zaire (Dem. Rep. Congo)
Sudan
Rwanda
Uganda
Angola
Notes
Var. connata (De Wild. & Th. Dur.) Bridson occurs in the Central African Republic and Zaire (Dem. Rep. Congo), and may be distinguished by its larger bracts, bracteoles and calyx limb.

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