Abrahamia elongata Randrian. &amp; Lowry 2017, spec. nova
Creators: name: Randrianasolo, Armand
name: Lowry II, Porter P.
name: Schatz, George E.
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Sapindales
Anacardiaceae
Abrahamia
Abrahamia elongata

description: 10. <i>Abrahamia elongata</i> Randrian. &amp; Lowry, spec. nova (Fig. 9, 10A). Typus: MADAGASCAR. Prov. Toamasina: Rég. Analanjirofo, Maroantsetra, Nosy Mangabe, 15°30’S 49°46’E, 0-330 m, 28.IX-5.X.1989, fl., <i>Schatz 2770</i> (holo-: MO- 3759750!; iso-: K, P [P06169108]!, TAN [TAN001988]!, WAG [WAG1435428] image seen). <b>Diagnosis</b> <i>Abrahamia elongata Randrian. &amp; Lowry can be distinguished from its congeners by its oblanceolate or narrowly elliptic leaves that are 8.5-26.5</i> <b>3</b> <i>2.5-6.5 cm, combined with very pronounced secondary and tertiary veins, long petiole (1.5-3 cm), and a relatively large and glabrous fruits (2-4</i> <b>3</b> <i>1-1.5 cm).</i> <b>Description</b> <i>Trees</i> 4-25 m tall, 10-15 cm DBH, bark with white milky latex; young twigs waxy or lanate to pubescent at the tips. <i>Leaves</i> alternate; blades oblanceolate to narrowly elliptic, 8.5-26.5 <b>3</b> 2.5-6.5 cm, coriaceous, apex emarginate, rounded, shortly acuminate or sometimes acuminate, margin entire, base acute to cuneate, adaxial surface glabrous or with short appressed indument, abaxial surface sericeous to glabrescent, venation craspe-dodromous, midvein prominent abaxially, secondary veins 25-50 pairs, more or less par-allel, 1.5-10 mm apart, very prominent abaxially, tertiary veins raised on both surfaces; petiole 15-30 mm long, canaliculate on adaxial surface, with short, appressed indument when young, later glabrescent or glabrous. <i>Inflorescence</i> axillary, a panicle, 1.5-6 cm long, the branches regular, pubescent or tomentose. <i>Male</i> and <i>female flowers</i> 5-merous; pedicel 0.1-0.3 mm long, pubescent; calyx lobes shallowly deltate to shallowly triangular, c. 1 <b>3</b> 1.2-1.5 mm, adaxial surface glabrous, abaxial surface pubescent, slightly imbricate in male flowers, valvate in female flowers, persistent in fruit; corolla lobes ovate, 2.5-3 <b>3</b> 1.5 mm, imbricate, adaxial surface glabrous, abaxial surface pubescent, white or pale yellow; stamens 5. <i>Male flowers</i> with filaments 1.5-2 mm long, glabrous, white, anthers 1 mm long, obloid to slightly ovoid, yellow, glabrous; disk c. 1 mm in diam., glabrous; ovary rudimentary. <i>Female flowers</i> with filaments c. 1 mm long, glabrous, white, anthers 0.3-0.5 mm long, ovoid, sterile, yellow, glabrous; disk annular, cupuliform, c. 1.5-2 mm in diam., glabrous; ovary very widely ovoid or obovoid, slightly asymmetrical, 1.5-2 <b>3</b> 1.5-1.8 mm, glabrous, placentation subapical; style unbranched, latero-subapically inserted, c. 1 mm long, stigmas capitate, glabrous. <i>Fruits</i> 2-4 <b>3</b> 1-1.5 cm, ellipsoid or slightly asymmetrical, glabrous, with longitudinal striations. <b>Vernacular names</b> “Ditimena’’, “Hazombarorana’’, “Tarantana’’. <b>Distribution, ecology and phenology</b> <i>Abrahamia elongata</i> occurs from eastern coastal littoral forest on sand to premontane forests on laterite up to elevations of 900 m, and extends from Marojejy and near Ambi-lobe in the north to Manombo in the south (Map 2). It flowers between September and November, and fruits in November and December. <b>Conservation status</b> With an EOO of 147,171 km 2, an AOO of 120 km 2, and 32 recorded localities, many of which occur within protected areas (Ambalabe, Anjanaharibe-Sud, Betampona, Manombo, Marojejy, Masoala, Nosy Mangabe, and Zahamena), <i>A. elongata</i> is assigned a preliminary conservation assessment of “Least Concern’’ [LC] using the IUCN Red List Categories and Criteria (IUCN, 2012). <b>Notes</b> <i>Abrahamia elongata</i> most closely resembles <i>A. latifolia</i>, with which it shares large leaves with many secondary veins and exclusively axillary inflorescences. However, <i>A. elon-gata</i> differs by its coriaceous (vs subcoriaceous) leaves with craspedodromous (vs semi-craspedodromous) venation, and its longer petiole (15-30 vs 10 mm). It also resembles <i>A. sambiranensis</i> vegetatively, but differs by having leaves with evident, raised tertiary veins on both surfaces (vs lacking in <i>A. sambiranensis</i>) and whose apex is flat in pressed material (vs folded), and by its fruits that are glabrous (vs pubescent when young and glabrescent at maturity in <i>A. sambiranensis</i>). <b>Paratypi</b> MADAGASCAR. Prov. Antsiranana: Sambava, forêt de Tsihomanaomby, 14°06’08’’S 50°02’50’’E, 103 m, 15.II.2006, ster., <i>Andrianjafy 1582</i> (MO, P, TAN); Marojejy PN, campement 1, 14°26’13’’S 49°46’32’’E, 460 m, 12.X.1996, y. fr., <i>Rakotomalaza et al. 752</i> (MO, P, TAN); Andapa, Anjanaharibe-Sud RS, [14°36’S 49°27’E], 3-7. XII.1996, fr., <i>Ravelonarivo et al. 1052</i> (MO, P, TAN); Antalaha, forêt Ampohafana, [14°48’30’’S 49°51’30’’E], 9.IX.1955, fl., <i>Service Forestier 15064</i> (P [2 sheets], TEF); Andapa, Andilandrano, [14°45’S 49°34’E], 12.XII.1964, fr., <i>Service Forestier 25019</i> (G, MO, NY, P, TEF); S de Sambava, [14°18’S 50°11’E], 30.XI-1.XII.1966, fr., <i>Service Forestier 27110</i> (P, TEF); Vohémar, Fanambana, 22.XII.1954, ster., <i>Service Forestier 54-R-151</i> (P). Prov. Fianarantsoa: forêt de Manombo, S de Farafangana, [23°02’10’’S 47°44’50’’E], 17.X.1964, fl., <i>Service Forestier 23654</i> (P, TEF); forêt entre Manakara et Vohipeno (PK 30), [22°22’S 47°51’E], 21.X.1964, y. fr., <i>Service Forestier 23696</i> (P, TEF). Prov. Toamasina: Manompana, forêt d’AntanambaoAmbodimanga, 16°45’38’’S 49°42’22’’E, 7 m, 5.X.2003, fr., <i>Andrianarivelo 30</i> (G, MO, P, TEF); Maroantsetra, Ambatoledama forest, 15°17’S 50°00’E, VI.2003, y. fr., <i>Antilahimena 1996</i> (G, K, MO, NY, P, TAN); Rantabe, Behovana, 15°47’48’’S 49°32’10’’E, 815 m, 31.X.2003, fr., <i>Antilahimena 2251</i> (G, K, MO, P, TAN); Antsirabe, Sahatany, Anjiakely, 15°24’19’’S 49°30’28’’E, 360 m, 27.VI.2004, fr., <i>Antilahimena 2579</i> (G, K, MO, P, TAN); Nosy Mangabe, 15°29’S 49°45’E, 10 m, 18-26. IV.1990, ster., <i>Carlson 126</i> (MO); <i>ibid. loco, Carlson 150</i> (MO); <i>ibid. loco, Carlson 188</i> (MO); Sahalampy (Onibe), [17°50’S 48°25’E], 700 m, XI.1938, fl., <i>Cours 1160</i> (MO, P); Mananara, 1.IX.1920, fl., <i>Decary 59</i> (P, TAN); Soanierana-Ivongo, forêt d’Antanambao-Ambodimanga, 16°45’40’’S 49°42’35’’E, s.d., fr., <i>Rabehivohitra 4354</i> (MO, P, TAN, TEF); Sainte Marie, forêt d’Ambohidena, 16°51’11’’S 49°57’10’’E, 10 m, 14.V.2003, ster., <i>Rabenantoandro 1480 J</i> (MO); Fénérive-Est, Tampolo station forestière, 17°17’S 49°23’E, 10 m, 11.X.1999, ster., <i>A. Randrianasolo 596</i> (MO); Vatomandry, Ambalabe, Ambinanindrano II, 19°09’38’’S 48°35’02’’E, 600 m, 9.X.2005, fl., <i>A. Randrianasolo et al. 1045</i> (MO, NY, P, TAN); <i>ibid. loco</i>, 19°09’01’’S 48°34’55’’E, 604 m, 6.X.2009, fl., <i>A. Randrianasolo 1182</i> (G, K, MO, NY, P, TAN); <i>ibid. loco,</i> 19°09’39’’S 48°36’’E, 568 m, 7.X.2005, ster., <i>Razanatsima et al. 38</i> (MO, P, TAN); Farankaraina, s.d., fl., <i>Réserves Naturelles 65</i> (P); Zahamena NP, Imerimandroso, [17°30’S 48°38’E], 16.IX.1951, fl., <i>Réserves Naturelles 3171</i> (P, TAN); Marojejy PN, [14°18’S 49°33’E], 15.IX.1956, fl., <i>Réserves Naturelles 8265</i> (G, MO, P); Nosy Mangabe, 15°30’S 49°46’E, 0-330 m, 28.IX-5.X.1989, fl., <i>Schatz 2757</i> (MO, P, TAN); Soanierana-Ivongo, [16°54’30’’S 49°35’00’’E], 27.XII.1949, y. fr., <i>Service Forestier 2361</i> (P, TAN, TEF); Farankaraina station forestière, [15°25’S 49°52’E], 26.IX.1952, fl., <i>Service Forestier 6154</i> (G, MO, P [3 sheets], TEF); Betampona RNI, près d’Ambodiriana, [17°55’S 49°13’E], 6.XI.1953, fl., <i>Service Forestier 8600</i> (MO, P, TEF); massif de l’Ambohitsitondroina de Mahalevona (NW de la presqu’île Masoala), [15°25’S 49°58’E], c. 500 m, 30.XI.1953, fr., <i>Service Forestier 8678</i> (G, MO, NY, P, TEF); Brickaville, Sahamamy, Anivorano, [18°33’S 48°58’E], s.d., ster., <i>Service Forestier 10884</i> (P, TEF); Farankaraina station forestière, [15°25’S 49°52’E], 11.X.1955, fl. &amp; y. fr., <i>Service Forestier 15361</i> (MO, P [3 sheets], TEF); PK 154, quelques km S de Soanierana-Ivongo, [17°00’S 49°32’E], 2.IX.1957, fl., <i>Service Forestier 18182</i> (P [2 sheets], TEF); Baie d’Antongil, NW de l’embouchure de la Rantabe, [15°40’30’’S 49°38’30’’E], 50-150 m, 12.IX.1957, fl., <i>Service Forestier 18262</i> (MO, TEF); Farankaraina, [15°25’S 49°52’E], 28.IX.1963, fl., <i>Service Forestier 21392</i> (G, MO, P [2 sheets], TEF); Tampolo, [17°17’00’’S 49°23’30’’E], 26.XI.1962, fr., <i>Service Forestier 22121</i> (G, K, MO, NY, P [3 sheets], TEF, WAG); Tamatave, Tanambao-Tamboro, 17.XII.1954, ster., <i>Service Forestier 9-R-195</i> (P); Lohan’i Sahatenany, N de Beanana, 2.II.1952, ster., <i>Service Forestier 29-R-139</i> (P); Maroantsetra, Farankaraina, [15°25’S 49°52’E], 13.VIII.1952, ster., <i>Service Forestier 44-R-</i> 139 (P); <i>ibid. loco</i>, 27.XII.1952, ster., <i>Service Forestier 127-R-199</i> (P); Tampolo, Fénérive Est, 13.I.1951, ster., <i>Service Forestier 16-R-7</i> (P, TEF); <i>ibid. loco, Service Forestier 323-R-107</i> (P, TEF); Masoala Peninsula, S of Ambanizana, 15°40’24’’S 49°57’51’’E, 110- 260 m, 25.X.1994, ster., <i>Vasey et al. 55</i> (MO, P, TAN).
description: Published as part of <i>Randrianasolo, Armand, Lowry II, Porter P. &amp; Schatz, George E., 2017, Taxonomic treatment of Abrahamia Randrian. &amp; Lowry, a new genus of Anacardiaceae from Madagascar, pp. 1-152 in Boissiera 71</i> on pages 62-63, DOI: 10.5281/zenodo.7618113
description: {"references": ["IUCN (2012). IUCN Red List Categories and Criteria: Version 3.1 ed. 2. IUCN Species Survival Commission, Gland &amp; Cambridge."]}