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Compilation
Rhus amerina

3 Images see all

Rhus leptodictya Diels [family ANACARDIACEAE]
Paratype of Rhus leptodictya Diels forma pilosa R. & A. Fernandes [family ANACARDIACEAE]
Rhus leptodictya Diels f. leptodictya [family ANACARDIACEAE]
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Name

Identification
Rhus amerina Meikle [family ANACARDIACEAE ] Verified by Not on sheet, Rhus leptodictya Diels [family ANACARDIACEAE ] (stored under name); Verified by R. & A. Fernandes, 1963
Related name
  • Rhus leptodictya
  • Rhus amerina
  • Rhus lancea

Flora

Entry for Rhus leptodictya Diels [family ANACARDIACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 2, Part 2, page 550, (1966) Author: Rosette Fernandes and A. Fernandes
Names
Rhus leptodictya Diels [family ANACARDIACEAE], in Engl., Got. Jahrb. 40: 86 (1907). — Monro in Proc. & Trans. Rhod. Sci. Ass. 8: 71 (1908). — Eyles in Trans. Roy. Soc. S. Afr. 5: 402 (1916). — Engl., Pflanzenw. Afr. 3, 2: 215 (1921). — R. & A. Fernandes in Webbia, 19, 2: 697 (1965). Type: S. Rhodesia, Bulawayo, Engler 2915 (B†). Neotype from the Transvaal, Pretoria, Reck 13 (GRA).
Rhus amerina Meikle [family ANACARDIACEAE], in Mem. N.Y. Bot. Gard. 8, 3: 243 (1953). — Palmer & Pitman, Trees S. Afr.: 290, cum fig. (1961). Type: S. Rhodesia, Matopos, Hutchinson 4140 (K, holotype).
Information
Spreading shrub or small tree up to 8·5 m. tall, with rough greyish bark; young branchlets reddish-brown, shining, ± angular, glabrous or sometimes pilose, the old ones subterete, greyish or brownish, lenticellate. Petiole 1·5–5 cm. long, slender, glabrous or sometimes pilose, slightly canaliculate and margined on the upper surface. Leaflets sessile, dull green above, lighter below (sometimes, when dried, brownish or blackish above and greyish or brownish-grey below), linear-lanceolate or oblong-lanceolate, membranous or ± rigid to subcoriaceous, glabrous or sometimes pilose mainly on the midrib; median leaflet 4–10·5(13·5) × (0·6)1–2(4·3) cm., abruptly cuneate at the base, the lateral ones smaller (about 1/3–2/3) and not so cuneate at the base, all acute or subacute at the apex, with the margin slightly revolute, entire or shallowly crenate-dentate; midrib slender, raised on both surfaces; lateral nerves (2–5 mm. apart) and reticulation scarcely visible. Panicles axillary and terminal, nearly as long as the leaves or the terminal ones slightly longer, lax with the axis and branches very sparsely furfuraceous, glabrous or pilose; pedicels 1–2 mm. long.Male flowers: calyx-segments white or pale yellow, c. 0·5 mm. long, ovate, obtuse; petals c. 1 mm. long, oblong; filaments c. 0·5 mm. long; anthers c. 0·2 mm. long; disk patelliform, 5-lobulate. Female flowers: ovary obliquely ovoid; styles deflexed; staminodes present. Drupe yellow-brown to cinnamon-brown, shining, 4–5 mm. in diam., depressed-globose or subquadrate, slightly asymmetrical, smooth, glabrous.
Habitat
Among rocks in granite and quartzite kopjes, sandy soils and reddish sandy loams in open savanna-woodland, Acacia nigrescens-Colophospermum-Commiphora associations, fringing forests, along streams, etc.
Distribution
Mozambique M Namaacha, Goba-Fronteira, st. 14.xii.1947, Barbosa 733 (LISC).Zimbabwe S Ndanga, fr. v.1955, Armitage 104/55 (SRGH); Beitbridge, Jopempi Mt., male fl. 26.ii.1961, Wild 5440 (COI; LISC; SRGH).Zimbabwe E Umtali, Zimunya’s Reserve, fr. 3.vi.1956, Chase 6141 (K; LISC; SRGH).Zimbabwe C Salisbury, female fl. & fr. 15.iv.1922, Eyles 3406 (BOL; K; SRGH); Chilimanzi Reserve, male fl. 7.iii.1951, Wormald 28/51 (K; LISC; SRGH).Zimbabwe W Ndumba Hill, Inyati, c. 56 km. from Bulawayo, fr. 4.vi.1947, Keay FHI 21318 (FHO); Matopos, Mtsheleli Valley, fr. 1.v.1952, Plowes 1448 (K; LISC; SRGH).Mozambique GI Limpopo, Chicualacuala, male fl. vii.1928, Smuts (PRE).Malawi C Kasungu Hill, fr. 28.viii.1946, Brass 17451 (BM; K; SRGH).Zimbabwe N Banket, st. vii.1922, Eyles 6233 (SRGH).Botswana SE Lobatsi, Mogobane, fr. 3.iv.1957, de Beer 11 (K; SRGH); Dikomo Di Ki, male fl. 26.ii.1960, Wild 5181 (SRGH).
Distribution (external)
Transvaal
Cape Prov
Notes
The specimens “N. Rhodesia, 30 miles North of Fort Jameson, fl. male 26.iv.1962, White 2472 (FHO; K)”, identified by White (F.F.N.R.: 212, 1962) as Rhus natalensis Bernh. ex Krauss, may be a hybrid between this species and R. leptodictya.

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