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<div type="description"><p>Moderately robust, mid-storey, solitary palm bearing up to 11 leaves in the crown. Stem to 15 m tall, 8 - 10(- 15) cm diam., surface slightly rough with longitudinal grooves, dark olive-green, becoming brownish black with age, leaf scars prominent, internodes 6 - 8 cm. Leaf sheath 62 - 70(- 100) cm long, with dense greyish brown lepidote tomentum; crownshaft 62 - 130 cm long, c. 9 - 12 cm wide; petiole 15 - 20 cm long, concave on adaxial surface, greyish brown; rachis 2 - 3.8 m long, with blackish membranous scales on the adaxial surface; leaflets 59 - 90 each side of rachis, borne 2.5 - 4 cm apart, in one plane, semi-pendulous, middle leaflets 64 - 75 x 2.3 - 2.5 cm, linear, tapering acutely and bifid at the apex, discolorous, with twisted, medifixed or basifixed ramenta on abaxial surface of mid-veins, membranous scales as on rachis on adaxial surface of mid-veins near base of leaflets. Inflorescence 64 - 95 cm long, with a spread of 1.2 - 1.5 m, divaricate, branched to 4 or very rarely 5 orders, primary branches c. 18, 50 - 70 cm long, basal pair of primary branches strongly recurved; prophyll 26 - 37 cm long, 6 - 9 cm wide, with greyish brown, silky tomentum; peduncle 1.5 - 4 cm long, 4 - 6 cm diam., green with scattered reddish brown indumentum; rachillae slender, 17 - 36 cm long, 2 - 2.9 mm in diameter, greenish. Staminate flower 5 - 6 mm long, 3 - 4 mm diam. at anthesis; sepals 2 - 2.3 x 2.3 - 2.5 mm, rounded, striated near the margins; petals 3.6 - 4 x 2 - 2.2 mm, elliptic, glabrous; stamens 6, 5.3 - 5.6 mm long, filaments 3 - 3.5 mm long, connate at the base, anthers 2.1 - 2.5 mm long, 0.6 - 0.8 mm wide, elliptic, medifixed; pistillode conical, 3.2 - 3.5 mm long, 1 - 1.1 mm diam. at base. Pistillate flower 2 - 3 mm long, 3 - 3.5 mm diam., borne throughout the rachillae; sepals 1.4 - 1.5 mm long, 2.4 - 2.5 mm wide, rounded; petals 2.7 - 2.8 mm long, 1.5 - 1.8 mm diam., rounded with short triangular tips; staminodes 4, lobes 0.4 - 0.5 mm long, 0.4 - 0.5 mm wide at the base, acute at the apex; gynoecium 2.8 - 3 mm long, 1.9 - 2.1 mm diam., ovoid. Fruit 15.5 - 21 mm long, 9.5 - 12 mm diam., ovoid-ellipsoid, yellowish green when immature, becoming orange- red in maturity, with cupule of persistent perianth 5 - 6 mm long. Seed 10 - 12 mm long, 8 - 10 mm diam., ellipsoid-ovoid, testa black.</p></div>
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45
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<div type="materials_examined"><p>Sorong Regency: Waigeo Island, Yesner village, Bemsuri area, June 1997, Heatubun 123 (K!, MAN); N Misool island, around Wavari village 10 km SW of Limelas village, Jan. 2002, Wanggai 1 (BO, K!, LAE, MAN). Manokwari Regency: Wasior Distr., Wosimi R., Sikama R., 3 km SE of Senderawoi village, Feb. 2000, Barrow 128 (BO, K!, LAE!, L!, MAN); Dotir village, 11 km N of Wasior Subdistr., Feb. 2000, Maturbongs 650 (AAU, BRI, K!, LAE, MAN); Bintuni Subdistr., Trail between Saengga and Tanah Merah villages, Feb. 2002, Maturbongs 711 (BO, K!, LAE, MAN); Bintuni Subdistr., close to Tanah Merah village, Feb. 2002, Maturbongs 715 (BO, K!, LAE, MAN). Fakfak Regency: Kaimana Distr., Kroy village, Nov. 2000 Mehen 15 (AAU, CANB, K!, MAN); Etna Subdistr., Yamur, km 45 P.T. Kaltim Hutama Logging Road, Jan. 2001, Maturbongs et al. 665 (BO, K!, MAN). Timika Regency: Timika, Road from mile 21 to Port, Feb. 1998, Heatubun et al. 191 (BH, BO, K!, L!, MAN). Jayapura Regency: Dozai Village, Cyclops Mts Nature Reserve, Sept. 1998, Maturbongs & Wally 578 (BO, FTG, MAN, K! L); Dozai-Dafonsero, N of Dozai, Baimoengoen Creek Camp, Cyclops Mts, Aug. 1961, Royen & Sleumer 6373 (K!, L!); Bernhard Camp, Idenburg R., March 1939, Brass 13305 (A, L!, BRI, BM!, type), April 1939, Brass 13809 (A, BRI, L!,); Bernhard Bivak, Aug. 1938, Dress 495 (L!). PAPUA NEW GUINEA. Sandaun Province: Telefomin Subdistr., Prospect Creek, Tributary of Frieda R., June 1969, Henty & Foreman NGF 42610 (BRI, CANB, L!, LAE!); Carpentaria Exploration Co., Frieda R. Camp, April 1978, Essig & Young LAE 74044 (LAE!), Essig & Young LAE 74047 (L!, LAE!, BH); West of Fiak Airstrip, March 1992, Frodin et al. 2604 (K!); On ridge between Dimaten Creek & Ser river in Donner Mts S of Hak valley airstrip, Oct. 1993, Morren 3047 (K!); Aitape Subdistr., Near Wantipi village, Bliri R., Aug. 1961, Darbyshire & Hoogland 8373 (K!, LAE!, CANB, BRI, L!). East Sepik Province: April R., Sept. 1912, Ledermann 8708 (K!, type); Angoram, Upper Karawari R., Oct. 1968, Darnchurch NGF 113 (L!). Western Province: Kiunga Subdistr., Kiunga- Rumginae Rd., 5 km N of Kiunga, Sept. 1972, Streimann & Lelean NGF 34165 (L!, LAE!); Kiunga, Sept. 1972, Streimann & Lelean NGF 18362 (L!, LAE!, BH); 2 miles N of Kiunga, Upper Fly R., Sept. 1967, Pullen 7301 (BH, CANB, K!, LAE!, L!); Palmer R., 2 miles below junction of Black R., June 1936, Brass 7135 & 7135A (LAE!, BRI, photo LAE!). Nomad Subdistr., S of Nomad, April 1978, Essig & Young LAE 74032 (L!, LAE!)</p></div>
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