Duguetia confinis Chatrou, Changing Genera: 67 1998
Creators: name: Couvreur, Thomas L. P.
name: Dagallier, Leo-Paul M. J.
name: Crozier, Francoise
name: Ghogue, Jean-Paul
name: Hoekstra, Paul H.
name: Kamdem, Narcisse G.
name: Johnson, David M.
name: Murray, Nancy A.
name: Sonke, Bonaventure
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Magnoliales
Annonaceae
Duguetia
Duguetia confinis

description: Duguetia confinis (Engl. &amp; Diels) Chatrou, Changing Genera: 67, 1998 Figs 25, 26; Map 3I ≡ Pachypodanthium confine Engl. &amp; Diels, Notizbl. Konigl. Bot. Gart. Berlin 3: 55, 1900. = Pachypodanthium sargosii R.E.Fr., Ark. Bot. 3(2): 38, 1955; Pachypodanthium confine var. sargosii Le Thomas, Fl. Gabon 16: 106, 1969. Type. Republic of Congo: Kouilou, <i>Sargos R. 29</i>, 4 Mar 1920: lectotype, sheet here designated: P[P00364784]; isotype: P[P00364785]. Type. Gabon. Estuaire; Libreville, <i>Klaine T.-J. 217</i>, 10 Oct 1895: lectotype, sheet here designated: P[P00315819]; isotypes: P[P00315821, P00315815]. Description. Tree, 15-40 m tall, d.b.h. 40-85 cm; stilt roots or buttresses absent. Indumentum of stellate hairs; old leafless branches sparsely pubescent to glabrous, young foliate branches densely pubescent. Leaves: petiole 1-8 mm long, 2-6 mm in diameter, densely pubescent, cylindrical, blade inserted on the side of the petiole; blade 9-31 cm long, 3-8 cm wide, elliptic, apex acute, acumen 0.5-1 cm long, base rounded to acute, coriaceous, <b>below densely pubescent with white erect stellate hairs covering the whole blade when young and old</b>, above glabrous when young and old, <b>discolorous, whitish below</b>; midrib sunken or flat, above glabrous when young and old, below densely pubescent when young and old; secondary veins 14 to 25 pairs, <b>indistinct</b>, glabrous below; tertiary venation reticulate. Individuals bisexual; <b>inflorescences ramiflorous on old leafless branches, appearing axillary, forming on a short peduncle 2-11 mm long.</b> Flowers with 9 perianth parts in 3 whorls, 2 to 5 per inflorescence; pedicel 3-20 mm long, 2-5 mm in diameter, densely pubescent; in fruit 3-20 mm long, 2-5 mm in diameter, glabrous to densely pubescent; bracts 2, one basal and one towards the upper half of pedicel, basal bracts 5-9 mm long, 5-10 mm wide; sepals 3, valvate, free, 17-22 mm long, 13-15 mm wide, ovate, apex acute, base truncate, green, densely pubescent outside, glabrous inside, margins flat; petals free, outer petals longer than inner to sub equal; outer petals 3, 11-18 mm long, 5-9 mm wide, elliptic, apex acuminate, base truncate, cream to white, margins wavy, densely pubescent outside, glabrous inside; inner petals 3, imbricate, 11-18 mm long, 5-9 mm wide, elliptic, apex acuminate, base truncate, cream, margins flat, pubescent outside, glabrous inside; stamens 290 to 310, in 7 to 8 rows, 1-2 mm long, broad; connective discoid, glabrous, red; staminodes absent; carpels free, 100 to 125, ovary 1.4-2 mm long, stigma globose, glabrous. Fruit pseudosyncarpous, 25-50 mm in diameter, ellipsoid; individual carpels sessile, 100 to 125 carpels, <b>completely fused</b>, 15-12 mm long, 2-5 mm in diameter, obovoid, apex apiculate to acute, densely pubescent, longitudinally ribbed with 5 to 6 main ribs, greyish brown with purplish red or pale brown pulp when ripe; seed 1 per monocarp, 10-14 mm long, 4-8 mm in diameter, ellipsoid; <b>aril present, red.</b> Distribution. From Cameroon to Gabon and Republic of Congo; in Cameroon known from East, South and Littoral regions. Habitat. In lowland periodically inundated or non-inundated rain forests. Altitude 0-50 m a.s.l. Local and common names known in Cameroon. None recorded. IUCN conservation status. Least Concern (LC) (Cosiaux et al. 2019j). Uses in Cameroon. None recorded. Notes. <i>Duguetia confinis</i> is distinguished by its lower leaf surface, which is densely pubescent with erect stellate hairs completely covering the blade, and its carpels completely fused in fruit. Specimens examined. <b>Central Region</b>: Est N of Lom near Sanaga river (Yaundé) 250 km from Deng Deng, 4.84°N, 13.19°E, <i>01 March 1914</i>, <i>Mildbraed G.W.J.</i> 8558 (K). <b>Littoral Region</b>: Au sud de Ngola (8 km E de l’embouchure de la Sanaga), 3.55°N, 9.698°E, <i>05 January 1974</i>, <i>Letouzey R.</i> 12585 (P); Douala-Edea Reserve 10B, 5.01°N, 13.33°E, <i>01 April 1978</i>, <i>Thomas D.W.</i> 1237 (K). <b>South Region</b>: ca 16 km from Kribi Ebolowa road Bidou plantation Kienke forReserve, 2.85°N, 10.01°E, <i>03 February 1969</i>, <i>Bos J.J.</i> 3844 (WAG,YA); 20 km From Kribi N of Lolodorf road (SFIA logging road), 3.01°N, 10.05°E, <i>15 July 1969</i>, <i>Bos J.J.</i> 5048 (BR,BR,K,WAG,YA); Mt Elephant ca 18 km SE of Kribi, 2.78°N, 10.5°E, <i>14 January 1970</i>, <i>Bos J.J.</i> 6128 (BR,P,WAG); Near mouth of, 3.17°N, 9.961°E, <i>28 March 1928</i>, <i>Hédin L.</i> 1690 (P,WAG); Campo-Ma’an area 2.71°N, 9.866°E, <i>26 October 2001</i>, <i>van Andel T.R.</i> 4205 (KRIBI,WAG); Bipindi, 3.08°N, 10.42°E, <i>01 January 1904</i>, <i>Zenker G.A.</i> 3195 (B,BR,E,G,L,M,MO,P,S).
description: Published as part of <i>Couvreur, Thomas L. P., Dagallier, Leo-Paul M. J., Crozier, Francoise, Ghogue, Jean-Paul, Hoekstra, Paul H., Kamdem, Narcisse G., Johnson, David M., Murray, Nancy A. &amp; Sonke, Bonaventure, 2022, Flora of Cameroon - Annonaceae Vol 45, pp. 1-532 in PhytoKeys 207</i> on pages 103-104, DOI: 10.3897/phytokeys.207.61432
description: {"references": ["Cosiaux, A, Couvreur, TLP, Erkens, RHJ, 2019j. Duguetia confinis. The IUCN Red List of Threatened Species: e.T61984644A61984646. https://doi.org/10.2305/IUCN.UK.2019-3.RLTS.T61984644A61984646.en", "Le Thomas, A, 1969b. Annonacees. In: Aubreville, A, Ed., Flore du Gabon. Museum National d'Histoire Naturelle, Paris: 1 - 371"]}