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• W2011592327 abstract "A new species of the genus Campnosperma, previously considered to contain only a single species in Madagascar, is described from the Massif de Marojejy in northeastern Madagascar. Campnosperma parvifolium differs from C. micranteium in its smaller leaves, with fewer secondary veins, and sparsely but evenly lepidote leaf undersurface. It occurs on high mountain ridges at Marojejy and Anjanaharibe, while C. micranteium is a species found on sand in littoral forests. The Massif de Marojejy in northeast Madagascar, in the province of Antsiranana, has always been of great interest botanically (Humbert, 1955), but recent intensive collecting has yielded a variety of new species (Miller, 1998; Miller & Pipoly, 1993). Campnosperma, a genus of Anacardiaceae with perhaps a dozen species in tropical America, Madagascar, the Seychelles, tropical Asia, and the western Pacific, has been previously considered to consist of only a single species in Madagascar, Campnosperma micranteium L. March (Perrier de la Bathie, 1946). The species are trees having leaves with lepidote scales, unisexual flowers with twice as many stamens as petals, and a 2-celled drupe. Rend Capuron had reviewed the herbarium material from Madagascar in the herbarium of the Laboratoire de Phandrogamie, Museum National d'Histoire Naturelle (P) and annotated the specimens, recognizing several infraspecific taxa, but his results were never published. Examination of the presently available collections of Campnosperma indicates that the variation presented is much too significant to be accounted for by a single species (Miller & Randrianasolo, in prep.). One population that is particularly distinct is the following new species. Campnosperma parvifolium R. Capuron ex J. S. Miller & A. Randrianasolo, sp. nov. TYPE: Madagascar. Antsiranana: Reserve Naturelle Marojejy, along the trail to the summit of Marojejy Est, below the third camp, lichen forest and exposed wind-swept ridges, elev. 1100-1300 m, 14?26'S, 49015'E, 10 Oct. 1988, James S. Miller et al. 3529 (holotype, MO 5067322; isotypes, G, K, NY, P, TAN, TEF, US). Figure 1. Arbor parva vel frutex, 2(10-12) m alta. Folia persistentia, coriacea; lamina elliptica ad obovata (1.4-)2-6.7 cm longa, (0.9-)1.5-3.3 cm lata, apice retusa ad rotundata, basi obtusa ad cuneata, pagina inferiore glabra vel sparsim stellata, lepidota. Inflorescentiae racemosae ad paniculatae, (1-)3.3-6.3 cm longae. Flores unisexuales, gemmae 1 mm longae. Fructus drupaceus, ellipsoideus, 7-9 mm longus, 5-7 mm latis, glabratus. Small tree or shrub 2(10-12) m tall, the young twigs densely covered with a mixture of lepidote scales and stellate hairs, later glabrescent and smooth or somewhat waxy. The leaves persistent, coriaceous; blades elliptic to obovate, (1.4-)2-6.7 cm long, (0.9-)1.5-3.3 cm wide, the apex retuse to rounded, the base obtuse to cuneate, sometimes briefly decurrent along the petiole for ca. 1-2 mm, the margin strongly revolute, entire, the adaxial surface glabrous, waxy, and lustrous, sometimes sparsely lepidote, the abaxial surface glabrous or occasionally with sparse stellate hairs, evenly lepidote (appearing gland-dotted), but the scales not overlapping, the venation brochidodromous, prominent, and raised on both surfaces, the secondary veins 5-9, parallel, often only slightly more prominent than the dense reticulum of tertiary veins on the lower surface; petioles 3-8 mm long, stout, canaliculate on the adaxial surface, lepidote to densely stellate-pubescent. Inflorescences borne in the upper leaf axils, sparsely branched panicles or racemes (1-)3.3-6.3 cm long, the branches evenly to densely lepidote to stellate, each flower subtended by a triangular bract 0.5-1 mm long. Flowers unisexual, the plants functionally dioecious, with reduced anthers in female flowers and reduced ovaries in male flowers, small, 1 mm long in bud, 34 mm diam. when open, on pedicels 0.5-1.5 mm long, ca. 1 mm diam.; sepals 4, imbricate, deltate, ca. 0.5 mm long, lepidote; petals 4, imbricate, broadly elliptic, 1-2 mm long, ca. 1 mm wide, glabrous or with an occasional lepidote scale on the exterior surface; stamens 8, the filaments inserted at the base of the disc, flattened and broader at the base, ca. 0.5 mm long, the anthers ca. 0.2 mm long; nectariferous disc annular and unevenly lobed; ovary ovoid, small, and partially immersed in the anNovoN 8: 170-172. 1998. This content downloaded from 207.46.13.164 on Mon, 27 Jun 2016 05:35:39 UTC All use subject to http://about.jstor.org/terms Volume 8, Number 2 1998 Miller & Randrianasolo 171 Campnosperma parvifolium from Madagascar" @default.
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• W2011592327 date "1998-01-01" @default.
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• W2011592327 title "New Taxa and Nomenclatural Notes on the Flora of the Marojejy Massif, Madagascar: II. Anacardiaceae: A New Species of Campnosperma" @default.
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