Uvariopsis congensis var. congensis

Description.

Shrub to tree 2-6 m tall. Leaf lamina 88-177 mm long, 30-77 mm wide, length:width ratio 2.1-3.1 (3.6), elliptic to obovate.

Distribution.

Element of the Lower Guinean Domain and Congolia Domain of the Guineo-Congolian Region and the Zambezian Region: Angola, Cameroon, Central African Republic, Democratic Republic of the Congo, Gabon, Republic of the Congo.

Habitat and ecology.

Lowland and premontane mature or old secondary rain forests, often in periodically inundated forest. Altitude: 18-1000 m asl.

Additional specimens examined.

Angola - Lunda Norte • I.A. Darbyshire 759 (K), Lovue River near Capaia village; 8°20'17'S, 20°14'25'E; alt. 960 m; 30 Mar. 2013 • J. Gossweiler 13802a (K), Sector fitocologico de Nordeste de Lunda, circunscrição de Chitato. Dundo, Luachimo; 7°24'S, 20°50'E; alt. 700 m; 05 Nov. 1946 • J. Gossweiler 14071 (B, P); 7°54'S, 21°21'E; alt. 700 m; 12 Jun. 1948 . Cameroon - Central Region • W.J.J.O. de Wilde 1914 (P, WAG), C. 30 km South of M'Balmayo; 3°20'N, 11°30'E; 13 Feb. 1964 - East Region • D.J. Harris 1512 (K, MO, P), West bank of Sangha River; 2°21'N, 16°09'E; alt. 350 m; 01 Nov. 1988 • F.J. Breteler 2812 (K, P, WAG), Near Bimba, bank of Doumé river, 40 km SW. of Batouri; 4°10'N, 14°07'E; alt. 580 m; 15 Apr. 1962 • J.F. Villiers 683 (P), 2 km N du confluent Ngoko-Malapa, 5 km E de Moloundou; 2°03'17.9'N, 15°11'01.31'E; 21 Apr. 1971 • R.G. Letouzey 10641 (P), Bordure de la Sangha au Sud de Lidjombo ( près ile Libongo) à 110 km au N. de Ouesso (feuilles IGN 1/200.000 Moloundou); 2°40'N, 16°05'E; 10 Apr. 1971 • R.G. Letouzey 12086 (K, P, WAG), près Ndongo, à 45 km WNW de Moloundou (Feuille IGN 1/200.000 SOUANKE); 2°05'N, 14°52'E; 15 Mar. 1973 • R.G. Letouzey 4755 (K, P), Rives de la Doumé près Bimba 40 km SW de Batouri - feuille IGN 1/200.000 Batouri-Berberati; 4°10'32.91'N, 14°06'32.96'E; 15 Apr. 1962 • R.G. Letouzey 5491 (K, P), a 11 km au SSW de Koso (village situé à 60 km au SSW de Batouri); 3°50'23.13'N, 14°07'33.62'E; 25 Jul. 1963 - South Region • R.G. Letouzey 10024 (P), Rives du Ntem près du confluent de la Kye, 16 km ESE d'Ambam; 2°18'02.17'N, 11°23'15.84'E; 07 Feb. 1970 • R.G. Letouzey 9915 (P), Bord rivière Nlobo, près Ngomebae, 70 km ESE d'Ebolowa sur route Mvangan; 2°43'N, 11°45'E; 24 Jan. 1970 - South-West Region • A. Staudt 556 (K), Johann - Albrechtshöhe, Johann - Albrechtshohe, Kumba area; 4°10'N, 9°12'E; 1896 . Central African Republic - Basse-Kotto • C. Tisserant 1363 (P), Galerie Riv. Moku Sikumdu 10 km N.O. Alindas; 5°10'24.36'N, 21°05'07.74'E; 19 Nov. 1927 - Lobaye • Équipe C. Tisserant 1504 (BM, BR, K, P); Mbaïki, Boukoko; 3°54'N, 17°56'E; 15 Jun. 1949 • Équipe C. Tisserant 2136 (BR, P); Mbaïki, Boukoko; 3°54'N, 17°56'E; 16 Jun. 1951 • Équipe C. Tisserant 2198 (BM, BR, P); Mbaïki, Boukoko; 3°54'N, 17°56'E; 17 Aug. 1951 • Équipe C. Tisserant 2241 (BM, BR, K, P, P); Mbaïki, Boukoko; 3°54'N, 17°56'E; 13 Sep. 1951 • F.J. Badré 239 (B, P); Mbaïki, Mbaiki, Bord de la Lobaye - Forêt 30 km S de Mbaiki; 3°38'25.5'N, 18°00'57.02'E; 06 Nov. 1968 . Democratic Republic of the Congo - Bas-Congo • F.H.E.A.W. Robyns 233 (BR); Madimba, Kisantu, Station Rwé droite, Inkisi; 5°08'S, 15°05'E; 10 Jul. 1925 • J. Gillet 22 (BR (BR0000014588372)); Madimba; 1899 - Maniema • C.E.N. Ewango 2664 (MO), Territoire de Kailo, PArc National de la Lomami. Localité Katopa (Camp); 2°46'52'S, 25°06'34'E; alt. 458 m; 21 Mar. 2015 - Orientale • J. Bokdam 3388 (KIS, WAG); Kisangani, 10 km W of Kisangani, near Lindi river; 0°33'N, 25°06'E; 19 Nov. 1971 • J.-P.A. Lebrun 2487 (P); Buta, Buta-Uele; 2°48'16.32'N, 24°44'59.68'E; Mar. 1931 • J.L.P. Louis 13423 (EA, K, MO, P); Isangi, Bassao ( île), Un peu en aval de Liléko; 0°54'N, 24°12'E; alt. 470 m; 26 Jan. 1938 • M.D.J. Laurent 1618 (BR); Banalia, Bomaneh; 1°18'N, 23°47'E; 04 Mar. 1906 • R.G.A. Germain 4757 (K), à l'W de Basoko, embouchure de la Lombo; 1°14'14.83'N, 23°34'46.46'E; Feb. 1949 • R.G.A. Germain 4804 (P), Yankeleli, près d'Isangi; 0°44'31'N, 24°12'15'E; Apr. 1949 • R.G.A. Germain 50 (B, K, P); Isangi, village de Yafolo, rives gauche en amont d'Isangi; 0°46'46'N, 24°16'13'E; alt. 470 m; 21 Dec. 1939 • R.G.A. Germain 8207 (K, M); Isangi, île Esali III (en aval d'Isangi); 0°53'34.91'N, 24°13'08.13'E; Feb. 1953 • R.G.A. Germain 8769 (K); Isangi, Yabwesu-Ogeto (Bas Lomami); 0°38'N, 23°54'E; 05 Apr. 1956 - Unknown major area • M.D.J. Laurent s.n (BR); 1°19'N, 23°48'E; 04 Mar. 1906. Gabon - Moyen-Ogooué • T.O.B.E.B. Stévart 4523 (LBV, MO, P), Mabounié, along the Ngounié River; 0°49'59'N, 10°33'23'E; alt. 18 m; 11 May. 2012 - Ngounié • O.L.S. Lachenaud 1384 (BR, BRLU, LBV, MO, P, WAG), Mabounié, rive gauche de la Ngounié juste en aval du débarcadère; 0°48'40'N, 10°29'57'E; alt. 24 m; 15 Nov. 2013 • Ogooué-Lolo • F.J. Breteler 6647 (LBV, P, WAG), 4 km SW of Lastoursville, right side Ogooué R; 0°50'N, 12°41'E; 25 Sep. 1970 - Woleu-Ntem • G.M.P.C. Le Testu 9027 (BM, P), region de Bitam, Meyo kyè; 2°10'N, 11°22'E; Mar. 1933 • J.J. Wieringa 660 (WAG), c. 85 km N of Makokou, Minkébé district, Nsye valley; 1°22'N, 12°56'E; alt. 505 m; 27 Feb. 1990 • MINKébé Series W 626 (K, LBV, MAKOK, MO, P, WAG), Minkébé area, river Nouna; 1°43'N, 12°51'E; 16 Dec. 1990 . Republic of the Congo - Pool • A.J.B. Chevalier 4176 (P), Brazzaville; 4°16'S, 15°17'E; Jul. 1902 .