Neostenanthera myristicifolia Exell, J. Bot. 73 (Suppl.): 6 1935
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
Neostenanthera
Neostenanthera myristicifolia

description: Neostenanthera myristicifolia (Oliv.) Exell, J. Bot. 73 (Suppl.): 6, 1935 Figs 80, 81; Map 10E ≡ Oxymitra myristicifolia Oliv., Fl. Trop. Afr. 1: 33, 1868; Stenanthera myristicifolia (Oliv.) Engl. &amp; Diels, Notizbl. Königl. Bot. Gart. Berlin 3: 57, 1900. = Stenanthera pluriflora De Wild., Ann. Mus. Congo Belge, Bot. sér. 5, 1(1): 45, 1903. Type. Democratic Republic of the Congo. Bas Congo, Kisantu, <i>Gillet J. 168</i>, 1899: lectotype, designated by Boutique (1951b), p. 339, sheet here designated: BR[BR0000008802712]; isotypes: BR[BR0000008802040, BR0000008801715]. Type. Nigeria. Cross River State; Old Calabar, <i>Thomson W.C. 134</i>, no date: holotype: K[K000199047]. Description. Tree to shrub or scandent shrub, 3-5 m tall, d.b.h. 6-20 cm; stilt roots or buttresses absent. Indumentum of simple hairs; old leafless branches glabrous, <b>young foliate branches sparsely pubescent to glabrous</b>. Leaves: petiole 4-6 mm long, 1-2 mm in diameter, pubescent, slightly grooved to cylindrical, blade inserted on top of the petiole; blade 8.5-25.5 cm long, 3.7-9 cm wide, oblong to elliptic, apex acuminate to acute, acumen 0.2-1.8 cm long, base rounded to obtuse, papyraceous, <b>below pubescent with short appressed straight hairs when young and old</b>, above glabrous to pubescent when young, glabrous to pubescent when old, discolorous, whitish below; midrib impressed, above glabrous when young and old, below glabrous when young and old; secondary veins 10 to 18 pairs, glabrous below; tertiary venation percurrent. Individuals bisexual; inflorescences ramiflorous, on foliate or leafless branches, leaf opposed or extra axillary. Flowers with 9 perianth parts in 3 whorls, <b>(1)2 to 4 per inflorescence</b>; <b>peduncle 1-2 mm long, unbranched</b>; pedicel 12-38 mm long, ca. 1 mm in diameter, pubescent; in fruit 20-40 mm long, 3-4 mm in diameter, sparsely pubescent; bract 1, basal, 1-3 mm long, ca. 1 mm wide; sepals 3, valvate, free, 1-4 mm long, 1-3 mm wide, triangular to ovate, apex acute to acuminate, base acute, brown-green, pubescent outside, pubescent inside, margins flat; petals free, outer petals longer than inner; <b>outer petals 3, 6.5-29 mm long in total, 2-5(6) mm wide above the claw</b>, narrowly triangular, apex attenuate, base suborbicular, basal part 4-6 mm wide, light green to light yellow, margins flat, pubescent to glabrous outside, pubescent inside; inner petals 3, valvate, 3.4-10.9 mm long, 1-3 mm wide, triangular, apex acute, base broad and concave, 3-5 mm wide, margins flat, pubescent to glabrous outside, pubescent inside; stamens 135-156, in 4 to 5 rows, ca. 2 mm long, linear; connective tongue shaped, glabrous, red; staminodes absent; carpels free, 67 to 109, ovary ca. 1 mm long, stigma cylindrical, glabrous. <b>Monocarps stipitate, stipes 17-23 mm long</b>, ca. 1 mm in diameter; monocarps 15(22) to 48(60), 9-20 mm long, 6-13 mm in diameter, ellipsoid, apex shortly apiculate, sparsely pubescent to glabrous, smooth, not ribbed, brown turning wine red when ripe; seed 1 per monocarp, 4-18 mm long, 2-10 mm in diameter, ellipsoid; aril absent. Distribution. From Nigeria to Democratic Republic of the Congo; in Cameroon known from East, South, Central, South-West and South West regions. Habitat. A common species across its range; in secondary forests and along roads and swampy areas. Altitude 300-1000 m a.s.l. Local and common names known in Cameroon. None recorded. IUCN conservation status. Least Concern (LC) (Cosiaux et al. 2019a d). Uses in Cameroon. None reported. Notes. <i>Neostenanthera myristicifolia</i> is distinguishable by its fasciculate inflorescences (rarely solitary flowers), flowers and pedicels not tomentose and long stipitate monocarps. Specimens examined. <b>Central Region</b>: Between Somalomo and Milon 69 km SE Akonolinga, 3.77°N, 12.25°E, <i>18 June 1981</i>, <i>Asonganyi J.N.</i> 310 (P,YA); NE of Ndangan I on logging trail into Mefou NP, 3.62°N, 11.59°E, <i>23 March 2004</i>, <i>Cheek M.</i> 11965 (BR,K,K,MO,P,WAG,YA); Méfou National Park just after Ape Action Africa center along road, 3.62°N, 11.58°E, <i>24 April 2013</i>, <i>Couvreur T.L.P.</i> 422 (WAG,YA); Banlieu de Yaoundé au bord de l’étang Atemengue, 3.87°N, 11.52°E, <i>14 April 1960</i>, <i>Endengle E.</i> 116 (P,YA); Goura, 4.55°N, 11.4°E, <i>01 November 1938</i>, <i>Jacques-Félix H.</i> 2340 (P); Yaoundé, 3.87°N, 11.52°E, <i>01 August 1939</i>, <i>Jacques-Félix H.</i> 4803 (P); Kourou (Yoko), 5.03°N, 12.42°E, <i>10 July 1959</i>, <i>Letouzey R.</i> 2373 (P,YA); Près de Mendong (25 km N Akonolinga), 3.77°N, 12.25°E, <i>07 March 1962</i>, <i>Letouzey R.</i> 4486 (P,YA); Issandja (Ntui), 4.77°N, 11.77°E, <i>19 December 1969</i>, <i>Letouzey R.</i> 9726 (P); Ngolep Mt, 4.95°N, 11.38°E, <i>27 April 1978</i>, <i>Ngameni B.K.</i> 44 (P,YA); Près rivière Malo non loin de Ndikinimeki, 4.77°N, 10.83°E, <i>08 November 1983</i>, <i>Nkongmeneck B.A.</i> 518 (P,YA); Mefou National Park, 3.61°N, 11.56°E, <i>27 March 2004</i>, <i>Onana J.M.</i> 2870 (BR,G,K,YA); Ngoro (28 km NE Bafia Cameroun), 4.95°N, 11.38°E, <i>29 March 1963</i>, <i>Raynal A.</i> 10569 (P,WAG,YA); Nkolbison (8 km W Yaoundé Cameroun), 3.88°N, 11.45°E, <i>10 February 1963</i>, <i>Raynal J.</i> 9560 (P,YA). <b>East Region</b>: 7 km along road to Batouri and Bétaré Oya, 4.58°N, 13.68°E, <i>16 March 1961</i>, <i>Breteler F.J.</i> 1220 (A,BR,K,M,P,SL,UC,WAG,YA); Bertoua, 4.58°N, 13.68°E, <i>13 August 1961</i>, <i>Breteler F.J.</i> 1799 (BR,K,P,WAG,YA); Bertoua, 4.58°N, 13.68°E, <i>08 November 1960</i>, <i>Breteler F.J.</i> 644 (BR,K,P,WAG,YA); Doumé, 4.23°N, 13.45°E, <i>12 November 1960</i>, <i>Breteler F.J.</i> 684 (BR,K,M,P,WAG,YA); Piste Mpoundou-Seglendon marécages, 4.1°N, 13.05°E, <i>16 February 1960</i>, <i>Letouzey R.</i> 3021 (P,YA); Près Goyoum, 5.22°N, 13.38°E, <i>01 February 1961</i>, <i>Letouzey R.</i> 3350 (P,YA); 70 km route Bertoua-Ndemba I, 4.75°N, 13.43°E, <i>18 July 1955</i>, <i>Nana P.</i> 171 (P,YA); Bertoua, 4.58°N, 13.68°E, <i>27 August 1955</i>, <i>Nana P.</i> 240 (P); route Esseleke, 4.58°N, 13.68°E, <i>13 February 1956</i>, <i>Nana P.</i> 474 (P); 8 km de Deng Deng, 5.23°N, 13.46°E, <i>10 February 2002</i>, <i>Sonké B.</i> 2671 (BR,BRLU,K,WAG,YA). <b>South Region</b>: At Bissombo 59 km SE Akonolinga, 3.28°N, 12.47°E, <i>12 June 1981</i>, <i>Asonganyi J.N.</i> 275 (YA); Biyi (Ambam), 3.02°N, 12.37°E, <i>12 February 1963</i>, <i>Raynal J.</i> 9806 (P). <b>South-West Region</b>: Korup National Park, 5.33°N, 9.42°E, <i>18 September 1990</i>, <i>Harris D.J.</i> 2516 (P,YA). <b>West Region</b>: Touladen en bas du versant oriental du Mbepit 15 km E Foumbot et 25 km SSW Foumban, 5.52°N, 10.78°E, <i>26 October 1974</i>, <i>Letouzey R.</i> 13025 (P,WAG,YA).
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 266-269, DOI: 10.3897/phytokeys.207.61432
description: {"references": ["Boutique, R, 1951b. Fam. 35. Annonaceae. In: Boutique R (Ed.) Flore du Congo-Belge et du Ruanda-Urundi. I.N.E.A.C., Brussels. https://doi.org/10.2307/3666813", "Le Thomas, A, 1969b. Annonacees. In: Aubreville, A, Ed., Flore du Gabon. Museum National d'Histoire Naturelle, Paris: 1 - 371", "Cosiaux, A, Couvreur, TLP, Erkens, RHJ, 2019a. Annickia affinis. The IUCN Red List of Threatened Species: e.T132512369A132513599. https://doi.org/10.2305/IUCN.UK.2019-3.RLTS.T132512369A132513599.en"]}