Flora of Cameroon - Annonaceae Vol 45 Author Couvreur, Thomas L. P. https://orcid.org/0000-0002-8509-6587 IRD, DIADE, Univ Montpellier, Montpellier, France & Universite de Yaounde I, Ecole Normale Superieure, Departement des Sciences Biologiques, Laboratoire de Botanique systematique et d'Ecologie, B. P. 047, Yaounde, Cameroon & Naturalis Biodiversity Center, Botany Section, Darwinweg 2, 2333 CR Leiden, Netherlands thomas.couvreur@ird.fr Author Dagallier, Leo-Paul M. J. https://orcid.org/0000-0002-3270-1544 IRD, DIADE, Univ Montpellier, Montpellier, France Author Crozier, Francoise IRD, DIADE, Univ Montpellier, Montpellier, France Author Ghogue, Jean-Paul Universite de Yaounde I, Ecole Normale Superieure, Departement des Sciences Biologiques, Laboratoire de Botanique systematique et d'Ecologie, B. P. 047, Yaounde, Cameroon & Green Connexion, Environmental Group, siege face GP Melen, a cote de l'immeuble Palais des verres. Yaounde, Cameroun Author Hoekstra, Paul H. Naturalis Biodiversity Center, Botany Section, Darwinweg 2, 2333 CR Leiden, Netherlands Author Kamdem, Narcisse G. Universite de Yaounde I, Ecole Normale Superieure, Departement des Sciences Biologiques, Laboratoire de Botanique systematique et d'Ecologie, B. P. 047, Yaounde, Cameroon Author Johnson, David M. https://orcid.org/0000-0003-2896-7419 Department of Botany-Microbiology, Ohio Wesleyan University, Delaware, OH, 43015, USA Author Murray, Nancy A. Department of Botany-Microbiology, Ohio Wesleyan University, Delaware, OH, 43015, USA Author Sonke, Bonaventure https://orcid.org/0000-0002-4310-3603 Universite de Yaounde I, Ecole Normale Superieure, Departement des Sciences Biologiques, Laboratoire de Botanique systematique et d'Ecologie, B. P. 047, Yaounde, Cameroon text PhytoKeys 2022 2022-09-20 207 1 532 http://dx.doi.org/10.3897/phytokeys.207.61432 journal article http://dx.doi.org/10.3897/phytokeys.207.61432 1314-2003-207-1 29CD4EF8FB525DBAA022DF25CDB649C9 Monodora crispata Engl., Notizbl. Koenigl . Bot. Gart. Berlin 2: 301, 1899 Fig. 74 ; Map 9I = Monodora crispata var. klaineana Engl., Monogr. Afrik. Pflanzen.-Fam. 6: 90, 1901. Type. Gabon. Estuaire, Libreville, Klaine T.-J. 1435, 14 Jan 1899: lectotype, designated by Couvreur (2009) , p. 206: P[P01985660]. Type . Cameroon . South Region ; 9 km N. of Kribi, Bos J.J. 6224 , 2 Feb 1970 : neotype , designated by Couvreur 2008, p. 206, sheet here designated: WAG[WAG0158468]; isotypes: BR[BR0000014056789]; C, K, LD, L MO, P, WAG[WAG0158469]; YA . Description. Tree or a more often a woody climber , lianescent , up to 20 m tall, d.b.h. 15-30 cm; stilt roots or buttresses absent. Indumentum of simple hairs if present; old leafless branches glabrous, young foliate branches glabrous . Leaves: petiole 3-7 mm long, 1-2 mm in diameter, glabrous, grooved, blade inserted on the side of the petiole; blade 5-17 cm long, 2.5-6 cm wide, elliptic to obovate, apex acuminate, acumen 0.3-1 cm long, base rounded, coriaceous to membranous, below glabrous when young and old, above glabrous when young and old, concolorous; midrib raised above, above glabrous when young and old, below glabrous when young and old; secondary veins 9 to 13 pairs, glabrous below; tertiary venation reticulate. Individuals bisexual; inflorescences ramiflorous on old or young foliate branches, leaf opposed or extra axillary. Flowers with 9 perianth parts in 3 whorls, 1 per inflorescence; pedicel 20-50 mm long, ca. 1 mm in diameter, glabrous; in fruit 30-50 mm long, 4-10 mm in diameter, glabrous; bracts 1, upper only, towards the upper half or middle of pedicel, 6-15 mm long, 5-9 mm wide; sepals 3, valvate, free, 5-18 mm long, 3-6 mm wide, ovate, apex acute, base truncate, green, glabrous outside, glabrous inside, margins wavy to crisped ; petals basally fused, tube 2-3 mm long, inner and outer whorl differentiated, outer petals longer than inner; outer petals 3, 35-70 mm long, 6-20 mm wide, oblong, apex attenuate, base truncate, white or yellow at base and distally yellow with red-brown mottling, margins crisped , glabrous outside, glabrous inside; inner petals 3, valvate, 16-25 mm long, 6-20 mm wide, cordate to triangular, apex acute, base narrowed into a claw 3-8 mm long, white to yellow with red streaks towards margins, margins crisped, glabrous outside, sparsely pubescent inside; receptacle convex to flat; stamens numerous, in 9 to 11 rows, 1 mm long; connective discoid, glabrous, cream; staminodes absent; carpels fused into a single structure, ca. 2 mm long, stigma bilobed, slightly capitate, sparsely pubescent. Fruit syncarpous, 35-50 mm long, ca. 20 mm in diameter, long ellipsoid, apex acute, glabrous, 6-7 ribbed , otherwise smooth, green when ripe; seeds 10-13 mm long, 5-9 mm in diameter, ellipsoid; aril absent. Distribution. A widespread species present in West and Central Africa, from Sierra Leone to Ghana, and from southeastern Nigeria to Gabon; in Cameroon known from South and South-West regions. Habitat. An uncommon species in Cameroon; in primary and secondary rain forests and along streams, generally on sandy soil. Altitude 0-400 m a.s.l. Local and common names known in Cameroon. None recorded. IUCN conservation status. Least Concern (LC) ( Cosiaux et al. 2019z ). Uses in Cameroon. None reported. Notes. Monodora crispata is characterized by its generally lianescent habit resembling a woody climber growing on rocks or larger trees, the petals with very crispy margins, entirely glabrous branches and leaves, and ellipsoid and conspicuously 6-7-ribbed fruits. Cheek and Cable (1998) mention from Mt Cameroon an Isolona sp. nov. ( Watts 687, Wheatley 501 ), however these are now identified as Monodora crispata . Specimens examined. South Region : 9 km N of Kribi , 4.83°N , 9.99°E , 02 February 1970 , Bos J.J. 6224 (BR,C,K,LD,MO,P,WAG,YA); Just E of Kribi Seca Regrowth veg On S bank of Kienke R, 3.1°N , 10.25°E , 20 August 1970 , Bos J.J. 7199 (BR,P,WAG); bezirk Ebolowa Ekuk 22 km Ebolowa , 2.91°N , 11.31°E , 01 January 1911 , Mildbraed G.W.J. 5650 (HBG); Bipindi, 3.08°N , 10.41°E , 01 January 1909 , Zenker G.A. 3884 (B); Bipindi, 3.08°N , 10.41°E , 01 January 1909 , Zenker G.A. 3935 (BM,BR,G,K,L,MO,P,S). South-West Region : Versant exterieur SSE du cratere du lac Dissoni (=SODEN lac) 20 km WNW Kumba , 4.72°N , 9.270°E , 20 March 1976 , Letouzey R. 14498 (K,MO,WAG,YA); Mt Bakingili-Nja Keta Path , 4.08°N , 9.05°E , 21 September 1992 , Wheatley J.I. 501 (K,YA) .