Compilation
Pleurostylia heynei

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Name

Identification
Isotype of Pleurostylia heynei Wight & Arn. [family CELASTRACEAE ] Verified by Not on sheet, Pleurostylia africana Loes. [family CELASTRACEAE ] (stored under name); Verified by Not on sheet,
Related name
  • Pleurostylia africana
  • Pleurostylia heynei

Flora

Entry for Pleurostylia africana Loes. [family CELASTRACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 2, Part 2, page 355, (1966) Author: N. K. Robson
Names
Pleurostylia africana Loes. [family CELASTRACEAE], in Engl., Bot. Jahrb. 41: 311 (1908); in Engl. & Prantl, Nat. Pflanzenfam., ed. 2, 20b: 180 (1942). — Burtt Davy & Hoyle, N.C.L.: 45 (1936). — Hutch., Botanist in S. Afr.: 476 (1946). — Brenan, T.T.C.L.: 129 (1949). — Wilczek, F.C.B. 9: 132 (1960). — White, F.F.N.R.: 219 (1962). TAB. 81 fig. A. Syntypes from Angola and Nyasaland, Buchanan 272 (B†, holotype; K).
Pleurostylia heynei var. acutifolia Suesseng. [family CELASTRACEAE], in Proc. & Trans. Rhod. Sci. Ass. 43: 110 (1953). Type: S. Rhodesia, Marandellas, Willowkopje, Dehn 724 (M).
Information
Tree or shrub 1–16(20) m. high, with rounded crown; stems pale grey-green and 4-lined when young, becoming vinous red, eventually terete. Leaf with lamina deep green or bright green and glossy above, concolorous or slightly paler beneath, 3·5–9·5(12) × 1–4 cm., elliptic to oblong-elliptic, acute to acuminate at the apex, with margin entire, angustate at the base, coriaceous or subcoriaceous, with reticulate venation equally prominent on both sides; petiole 3–8 mm. long; stipules c. 0·3 mm. long, triangular. Flowers 3-c. 15 in condensed rounded clusters; peduncle 1–4 mm. long or almost absent. Sepals 0·5–1 mm. long, broadly ovate to semicircular, rounded, with margin entire. Petals 1–1·5(2) mm. long, oblong, with margin finely ciliolate-denticulate. Disk with lobes truncate or shallowly emarginate. Ovary ovoid, slightly asymmetric; ovules 2(3). Fruit green, 7–8 mm. long, obovoid to ellipsoid. Seed 1, plano-convex.
Habitat
On termite mounds and rocky hillsides and in deciduous woodland and forest margins on well-drained soil
Altitude range
420–1100 m.
1100
420
Distribution
Malawi S Mlanje Mt., Chambe Peak, fr. 4.vi.1957, Chapman 376 (BM; FHO; K; PRE).Zimbabwe S Buhera, 1050 m., fl. xi.1953, Davies 610 (K; SRGH).Zimbabwe E Umtali Golf Course, 1080 m., fl. 11.xii.1951, Chase 4257 (BM; K; LISC; SRGH).Zimbabwe C Charter, Featherstone, fr. v.1951, Mullin 8/51 (K; LISC; SRGH).Zambia S 1·6 km. above Victoria Falls, fr. 7.vii.1930, Hutchinson & Gillett 3424 (BM; K; SRGH).Zambia C Lusaka South Fuel Reserve, st. 19.v.1934, Miller 27 (FHO).Zambia W Mwinilunga Distr., c. 1·6 km. S. of Matonchi Farm, fr. 13.xi.1955, Milne-Redhead 4481 (BM; K).Zambia N Mpika, fl. 31.i.1955, Fanshawe 1910 (K).Mozambique Z Gúruè, Lioma, fr. 1.vii.1943, Torre 5645 (LISC).Malawi C near Salima, between Grand Beach and Lake Nyasa Hotels, fl. 16.ii.1959, Robson 1622 (BM; K; LISC; PRE; SRGH).Zimbabwe N Urungwe, Kariba, c. 600 m., fl. i.1959, Goldsmith 3/59 (BM; K; LISC; SRGH).Zambia B Balovale, 1050 m., fl. xii.1953, Gilges 315 (K; PRE; SRGH).
Distribution (external)
Kenya
Uganda
Tanganyika
Katanga
Angola (Huila)
Notes
The S. African species, P. capensis (Turcz.) Loes., is closely allied to P. africana but has 6–8 ovules in each loculus.

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