Compilation
Plectronia subcordatifolia
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Name
Identification
Plectronia subcordatifolia De Wild. [family RUBIACEAE ] Verified by Not on sheet, Keetia gueinzii (Sond.) Bridson [family RUBIACEAE ] (stored under name); Verified by Bridson,
Related name
- Keetia gueinzii
- Plectronia subcordatifolia
Flora
Entry for Keetia gueinzii Sond. Bridson [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
Plectronia hispida [family RUBIACEAE], sensu K. Schum. in Engler, Pflanzenw. Ost-Afrikas C: 386 (1895), pro parte, non (Benth.) K. Schum.
Plectronia gueinzii Sond. Sim [family RUBIACEAE], For. Fl. Col. Cape Good Hope: 241 (1907). —Eyles in Trans. Roy. Soc. South Africa 5: 493 (1916). —Bews, Fl. Natal & Zululand: 198 (1921).
Plectronia charadrophila K. Krause [family RUBIACEAE], in Bot. Jahrb. Syst. 57: 36 (1920). Type from Tanzania.
Plectronia subcordatifolia De Wild. [family RUBIACEAE], Pl. Bequaert. 3: 199 (1925). Type from Zaire (Dem. Rep. Congo).
Keetia transvaalensis E. Phillips [family RUBIACEAE], in Bothalia 2: 239 (1927), pro parte. Type from South Africa.
Canthium scabrosum Bullock [family RUBIACEAE], in Bull. Misc. Inform., Kew 1932: 367 (1932). —Brenan, Check-list For. Trees Shrubs Tang. Terr.: 486 (1949). Type from Uganda.
Canthium charadrophilum K. Krause Bullock [family RUBIACEAE], in Bull. Misc. Inform., Kew 1932: 369 (1932).
Canthium sylvaticum [family RUBIACEAE], sensu Bullock in Bull. Misc. Inform., Kew 1932: 369 (1932), pro parte. —sensu Brenan, Check-list For. Trees Shrubs Tang. Terr.: 486 (1949), pro parte, non Hiern.
Keetia gueinzii von Breitenbach [family RUBIACEAE], in J. Dendrol. 5: 90, fig. on p. 91 (1985), nom invalid.
Keetia gueinzii Sond. Bridson [family RUBIACEAE], in Kew Bull. 41: 970, fig. 1 A–C (1986). —K. Coates Palgrave, Trees Southern Africa, ed. 3, rev.: 16k of appendix (1988). —Bridson in F.T.E.A., Rubiaceae: 911, figs. 131/16, 25; 132/25 & 162 (1991). —Pooley, Trees of Natal, Zululand & Transkei: 478, figs. (1993). —Beentje, Kenya Trees, Shrubs Lianas: 517 (1994). TAB. 47/B3 & 72. Type from South Africa.
Canthium gueinzii Sond. [family RUBIACEAE], in Linnaea 23: 54 (1850); in F.C. 3: 16 (1865). —S. Moore in J. Linn. Soc., Bot. 40: 89 (1911). —Bullock in Hooker’s Icon. Pl. ser. 5, 2: t. 3170 (1932); in Bull. Misc. Inform., Kew 1932: 368 (1932). —Brenan, Check-list For. Trees Shrubs Tang. Terr.: 487 (1949); in Mem. N.Y. Bot. Gard. 8: 452 (1954). —Dale & Greenway, Kenya Trees & Shrubs: 428 (1961). —F. White, F.F.N.R.: 403, fig. 68, I (1962). —Palmer & Pitman, Trees Southern Africa 3: 2093 (1973). —Ross, Fl. Natal: 335 (1973). —Drummond in Kirkia 10: 276 (1975). —Gibson, Wild Fls. Natal: 6, pl. 102 (1975). —Compton, Fl. Swaziland [J. S. African Bot., Suppl. 11]: 580 (1976). —Moll, Trees of Natal: 263 & 247 (1981). —A.E. Gonçalves in Garcia de Orta, Sér. Bot. 5: 187 (1982). —Bridson & Troupin in Fl. Pl. Lign. Rwanda: 548, fig. 183.1 (1982); in Fl. Rwanda 3: 148, fig. 45.1 (1985). —K. Coates Palgrave, Trees Southern Africa, ed. 3, rev.: 881 (1988).
Canthium hispidum [family RUBIACEAE], sensu Hiern in F.T.A. 3: 140 (1877), pro parte, quoad Soyaux 196; Cat. Afr. Pl. Welw. 1: 476 (1898). —sensu Bullock in Bull. Misc. Inform., Kew 1932: 369 (1932). —sensu Brenan, Check-list For. Trees Shrubs Tang. Terr.: 486 (1949). —sensu Dale & Greenway, Kenya Trees & Shrubs: 429 (1961), non Benth.
Information
Scandent shrub or liana, 3–25 m tall; young branches sparsely to densely covered with crisped or spreading golden to rust-coloured hairs.Leaf blades 5.5–13.5 × 3.5–6 cm, oblong-lanceolate to ovate, acuminate at apex, rounded, truncate or more frequently subcordate to cordate at base, often bullate, usually drying brown, glabrous to sparsely pubescent on upper surface, glabrescent to densely pubescent beneath; lateral nerves in 6–9 main pairs; tertiary venation finely reticulate; domatia present as tufts of hair; petioles 3–7 mm long sparsely to densely covered with crisped or patent hairs; stipules 9–13 mm long, up to 6 mm wide at base, lanceolate to ovate, gradually acuminate, pubescent outside; leaves subtending lateral branches smaller, orbicular.Flowers 5-merous, borne in 20–50-flowered pedunculate cymes; peduncles 5–15 mm long, sparsely to densely pubescent; pedicels 5–7 mm long, pubescent to densely pubescent; bracteoles 3–6 mm long, linear-lanceolate to lanceolate.Calyx tube 1 mm long, densely covered with straight or crisped hairs or occasionally glabrescent; limb 1.25–1.5 mm long, divided into teeth for one third to half its length, glabrescent to sparsely pubescent, usually ciliate.Corolla creamy-white; tube 2.25–4 mm long, with a ring of deflexed hairs just below the throat inside; lobes 2.5–4 × 1.25–2.25 mm, oblong-lanceolate to ovate, acute and thickened at apex.Anthers fully exserted but seldom reflexed.Style 5–10 mm long, glabrous; pollen presenter 1.25–2.25 mm long; disk pubescent.Fruit 7–9 × 11–14 mm, broadly oblong in outline, slightly indented at apex, glabrous to glabrescent, black when mature.Pyrene 9–11 × 6–7 mm, obovoid with ventral face flattened or hemispherical; lid-like area lying across the apex with a central crest.Seed with endosperm streaked with granules.
Habitat
Locally frequent at forest margins, and in most types of woodland, also in thickets
Altitude range
800–2200 m.
2200
800
Distribution
Mozambique MS Manica, Rotanda between Mussapa River and frontier at Tandara (?Mutambara in Zimbabwe), fl. 19.xi.1965, Torre & Correia 13143 (LISC).Mozambique T between Vila Mouzinho and Zóbuè, fr. 19.vii.1949, Barbosa & Carvalho 3680 (LISC).Mozambique Z Milange, Serra Tumbine, fl. 19.i.1966, Correia 473 (LISC).Malawi S Mulanje Distr., Chapaluka (Chapanuka) Stream, fl. 4.xi.1972, Leach 14939 (BR; K; PRE; SRGH).Malawi C Dedza Distr., Chongoni Forest, dambo below staff house at school, fr. 28.ix.1962, Adlard 491 (K; LISC; SRGH).Zambia C Serenje Distr., Kundalila Falls, fl. 13.x.1963, E.A. Robinson 5700 (K).Zambia W Ndola, fl. & fr. 1.x.1954, Fanshawe 1586 (BR; K).Mozambique N Ribáuè, Mepáluè, fl. 9.xii.1967, Torre & Correia 16430 (LISC).Malawi N Chitipa Distr., Mafinga Hills (Mts.), middle slopes below Namitawa summit, fl. 3.iii.1982, Brummitt, Polhill & Banda 16285 (K).Zimbabwe E Mutare Distr., Vumba Mts., Nimbus Farm, fl. 15.x.1959, Chase 7019 (BR; K; LISC; PRE; SRGH).Zambia N Mbala Distr., Chinakila, path to Loye Flats, fl. 10.i.1965, Richards 19454 (BR; K).
Distribution (external)
Cameroon
Central African Republic
Sudan
Ethiopia
Rwanda
Burundi
Uganda
Kenya
Tanzania
Zaire (Dem. Rep. Congo)
Angola
South Africa (North Province, Mpumalanga and Eastern Cape Province)