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Voacanga africana

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Name

Identification
Voacanga africana Stapf. [family APOCYNACEAE ]
Related name
  • Voacanga africana

Flora

Entry for VOACANGA africana Stapf [family APOCYNACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, page 1, (2002) Author: E.A. OMINO
Names
VOACANGA africana Stapf [family APOCYNACEAE], in J.L.S. 30: 87 (1894) & in F.T.A. 4, 1: 157 (1902); I.T.U. ed. 2: 30 (1952); Huber in F.W.T.A. ed. 2, 2: 67 (1963); Leeuwenberg in F.Z. 7 (2): 435, t. 100 (1985) & in Wageningen Agric. Univ. Pap. 85, 3: 12, t. 1, photo. 1 (1985); K.T.S.L.: 487 (1994). Type: Sierra Leone, Bafodeya, Scott Elliot 5484 (BM, lecto., K, iso., chosen by Leeuwenberg)
VOACANGA schweinfurthii Stapf [family APOCYNACEAE], in K.B. 1894: 21 (1894) & in F.T.A. 4, 1: 155 (1902). Type: Congo (Kinshasa), Niamniam land, Dungu, Turu R., Schweinfurth 3326 (B†, holo., K, lecto., K, P, iso., chosen by Leeuwenberg)
VOACANGA angustifolia K. Schum. [family APOCYNACEAE], in P.O.A. C: 317 (1895). Type: Tanzania, Tabora District, Kavenda R., Böhm 60a (B†, holo.)
VOACANGA boehmii K. Schum. [family APOCYNACEAE], in P.O.A. C: 317 (1895); T.T.C.L.: 57 (1949). Type: Tanzania, Tabora District, Kavenda [Kavinda] R., Isimbira, Böhm 37a (B†, holo., K, lecto., K, P, iso.)
VOACANGA dichotoma K. Schum. [family APOCYNACEAE], in P.O.A. C: 317 (1895); T.T.C.L.: 57 (1949). Type: Tanzania, Moshi District, Kiboshowald, Volkens 1618 (B†, syn.) & Marangu, Volkens 2076 (B†, syn.)
VOACANGA lutescens Stapf [family APOCYNACEAE], in F.T.A. 4, 1: 157 (1902); T.T.C.L.: 57 (1949); K.T.S.: 49 (1961). Lectotype: Mozambique, Manica e Sofala, between Lupata & Sena, Kirk 31 (K, lecto.), chosen by Leeuwenberg)
VOACANGA bequaertii De Wild. [family APOCYNACEAE], Pl. Bequaert. 1: 402 (1922). Type: Congo (Kinshasa), between Walikale & Lubutu, Bequaert 6577 (BR, holo.)
VOACANGA africana (Stapf) Pichon var. lutescens [family APOCYNACEAE], in Bull. Mus. Nat. Hist. Nat. Paris ser. 2, 19: 412 (1947)
VOACANGA africana Pichon var. auriculata [family APOCYNACEAE], in Bull. Mus. Nat. Hist. Nat. Paris ser. 2, 19: 412 (1947). Type: Tanzania, Sagara (?= Segera, Pangani District?), Sacleux 2222 (P, holo.)
VOACANGA densiflora Engl. [family APOCYNACEAE], nom. nud.; T.T.C.L.: 57 (1949)
Information
Shrub-like tree or shrub, 1–10(–25) m high; trunk terete, 2–30(–40) cm in diameter; bark pale grey-brown, smooth or shallowly fissured; branches lenticellate, branchlets glabrous, puberulous, or pubescent. Leaves petiolate; blade elliptic or narrowly elliptic, 7–42 cm long, 3–20 cm wide, bluntly acuminate, rarely acute or obtuse at the apex, cuneate or decurrent into the petiole at the base, glabrous, sometimes pubescent beneath and on midrib above; petiole 0–2 cm long, glabrous to pubescent, ochrea not widened into intrapetiolar stipules. Inflorescence 6–25 cm long, many-flowered, glabrous to sparsely pubescent in all parts; peduncle 5–18 cm long; bracts deciduous, ovate, obtuse; pedicels 3–20 mm long. Flowers malodorous; sepals 7–19 mm long, deciduous before the fruit develops, glabrous or puberulous; corolla creamy, greenish creamy, yellow or less often white; tube 7–15 mm long, almost cylindrical, twisted from 2–3 mm above the base; lobes twisted in bud, (narrowly) obovate or elliptic, 12–37 mm long, 7–16 mm wide, rounded or obtuse at the apex, entire, spreading, often recurved later; stamens exserted for up to 1.2 mm, rarely just included; anthers glabrous, usually twisted with corolla; pistil 7–12.5 mm long; ovules about 200 in each carpel; disk entire, ring-shaped, 0.8–1.2 mm high; style split at the base, 4–8 mm long. Fruit mericarps separate, only one developed, dark and blotched with very pale green, obliquely subglobose, often wider than long, laterally compressed 3–8 cm long, 3–8 cm wide; pericarp 5–15 mm thick, cream and orange. 
Range
DISTR. U 1, 4; K 7; T 3, 4, 6–8 tropical Africa from Senegal to Central African Republic to Congo (Kinshasa), Burundi and Angola, to Zambia, Malawi and Mozambique
Altitude range
0–1200 m
Distribution
KENYA Kwale District Gazi–Shimoni road, on bridge over Ramisi R., 20 Aug. 1953, Drummond & Hemsley 3902! & near Makweyeni, 19 Aug. 1993, Luke 3829! & Vanga, Graham 2210TANZANIA Lushoto District Mombo Forest Reserve, 21 Dec. 1956, Muge 15;TANZANIA Kilosa District Kilosa, 1.5 km from Kondoa R. bridge, 20 Sept. 1969, Mwasumbi & Mwakalasi 936!;TANZANIA Rungwe District Unyakyusa area, 6 Dec. 1974, Leedal 2376!UGANDA West Nile District Laropi, W Madi, Eggeling 1792;UGANDA Mengo District Entebbe, Mahon 1
Notes
USES. Major medicinal for geriatric patients; wood for building poles

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