Compilation
Oncoba routledgei

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Name

Identification
Oncoba routledgei Sprague [family SALICACEAE ] (stored under name); Verified by Not on sheet,
Related name
  • Oncoba brachyanthera
  • Oncoba spinosa
  • Andinandra unrecorded
  • Oncoba routledgei

Flora

Entry for ONCOBA routledgei Sprague [family FLACOURTIACEAE]
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, (1975) Author: H. Sleumer (Rijksherbarium, Leiden)
Names
ONCOBA routledgei Sprague [family FLACOURTIACEAE], in Gard. Chron., ser. 3, 49: 323, figs. 145 & 146 (1911) & in K.B. 1911 : 262 (1911); R.E. Fries in N.B.G.B. 9: 323 (1925);T.S.K.: 21 (1936); T.T.C.L.: 234 (1949); I.T.U., ed. 2: 149 (1952); Bamps in F.C.B., Flacourt.: 18, fig. 1/B (1968). Type: Uganda, Ruwenzori, 2400 m., Dawe 650 (K, holo.!)
ONCOBA micrantha Gilg [family FLACOURTIACEAE], in Engl., V.E. 3 (2): 565, in obs. (1921) & in E. & P. Pf., ed. 2, 21: 402 (1925). Type: Zaire, between Beni and Irumu R., Mildbraed 2810 (B, holo. †)
ONCOBA spinosa (Sprague) Dale & Greenway var. routledgei [family FLACOURTIACEAE], K.T.S.: 227 (1961), comb, non rite publ.
Information
Shrub or small tree, up to 8 m. tall; branches with straight spines up to 2.5 cm. long. Leaf-blades elliptic-ovate or -oblong, apex shortly acuminate, base obtuse to rounded, papyraceous to subcoriaceous, glabrous, dark green and glossy, rather coarsely serrate-crenate, 6–16 cm. long, 3–6 cm. broad; lateral nerves 4–6 pairs, tertiary ones ± parallel, rather obvious on both faces, the proper reticulation being ± obscure; petiole 0.4–1 cm. long. Flowers solitary, white and somewhat waxy, much resembling those of O. spinosa, on a peduncle 1–2 cm. long. Sepals suborbicular, ± 1 cm. in diameter. Petals obovate-oblong, ± 2.5 cm. long and 1.5 cm. broad. Stamens with oblong anthers (1.5–2 mm.). Style 5 mm. long, the 6–8 free stigmatic and ± recurved branches ± 3 mm. long, with capitate stigmas. Fruit subglobular, 4–4.5 cm. long, 5.5–6 cm. across, yellow, smooth, with 8 longitudinal slightly prominent markings. Seeds ovoid, ± flattened, 6–7 × 3–4 mm., light brown. Fig. 6/9–11.
Range
DISTR. U2, 3; K?3, 4, 5; T2, 3, 6
Altitude range
900–2440 m.
Distribution
KENYA Laikipia plateau, 1908, Routledge !KENYA Kiambu District Limuru, June 1918, Snowden 586!KENYA Kericho District Sambret Catchment, June 1958, Kerfoot 169!TANZANIA Arusha District Meru Forest Reserve, Nov. 1955, Sangiwa 109 !TANZANIA Lushoto District Mt. Gonja, July 1893, Holst 4217!TANZANIA Morogoro District Uluguru Mts., Bunduki, Jan. 1935, E. M. Bruce 439 !UGANDA Ankole District Kalinzu Forest, June 1938, Eggeling 3731 !UGANDA Kigezi District Kayonza, Marambo, Mar. 1947, Purseglove 2383!UGANDA Mbale District Bugisu, Butandiga, Dec. 1938, A. S. Thomas 2566 !
Distribution (external)
also in Ethiopia
Zaire (Lakes Albert, Edward and Kivu)

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