Aiphanes eggersii Burret, Notizbl. Bot. Gart. Berlin-Dahlem 11: 563 (1932)

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http://media.e-taxonomy.eu/palmae/photos/palm_tc_5099_1.jpg

Distribution

Map uses TDWG level 3 distributions (http://www.nhm.ac.uk/hosted_sites/tdwg/geogrphy.html)
Ecuadorpresent (World Checklist of Arecaceae)C

Habitat

Discussion

Common Name

Description

  • Caespitose, with up to 10 stems, each 1-6 m tall, 7-8 cm diam., light grey, armed with black or grey, flat, to 10 cm long spines at the internodes. Leaves 7-10, erect and arching, older leaves recurving; sheath 40-75 cm long, with a thick, white tomentum, armed with black or grey, flat spines, to 10 cm long; petiole 0-10 cm long, similar to the sheath; rachis 115-205 cm long, with a white, caducous tomentum, armed with many black spines, to 5 cm long; pinnae (30-)50-65 per side, inserted in groups of (2-)4- 10(-14), in different planes, groups occupying 10-20 cm along the rachis, separated by 7-12 cm, pinnae narrowly trumpet-shaped, abruptly widening near apex, 3-7 times as long as wide, inrolled in vivo, irregularly praemorse at apex, glabrous or spinulose on both sides, adaxially often with a row of slender spines on the midrib, abaxially with 1 to several black spines basally on the midrib; basal pinnae 13-34 x 0.5-3 cm; middle pinnae 20-45 x 4-9 cm; apical pinnae 6-8 ribbed, 14-22 x 10-17 cm. Inflorescence erect or curving, pendulous in fruit, branched to 1 order; prophyll, peduncular bract, and peduncle with a thick white indument; prophyll 19-45 cm long, 3-6 cm wide; peduncular bract inserted 5-23 cm above prophyll, 80-145 cm long, 6-10 cm wide, woody, almost unarmed to densely armed; peduncle 42-137 cm long, 6-15 mm diam. at junction with rachis, densely armed with black spines, to 2 cm long; rachis 35-48 cm long, unarmed or basally armed like the peduncle; rachillae 35-75, unarmed, with a sparse, peltate indument; basal rachillae 20-35 cm long, with triads for ½ of their length, staminate distally; apical rachillae 5-10 cm long, staminate; each flower group subtended by a minute, inconspicuous bract. Staminate flowers yellow, superficial; sepals 1-2 mm long, never exceeding ?4 of the petals; petals 3-3.5 mm long; filaments 1-1.5 mm long, anthers 1.2-1.8 mm long, 0.8-1.1 mm wide; pistillode ca. 0.5 mm high, trifid. Pistillate flowers yellow with brown sepals, sunken into shallow pits in the rachillae; sepals ovate, 2.5- 3 mm long; petals connate for half their length, valvate distally, acute, ca. 4 mm long, opening to ca. 45° at anthesis; staminodial cup ca. 3 mm high, acuminately lobed to nearly truncate; pistil glabrous. Fruits bright red, globose, 18-20 mm diam.; endocarp 13-14 mm diam., shallowly pitted. (Borchsenius, F. and Bernal, R. 1996. Aiphanes (Palmae). Flora Neotropica 70. pp 1-95)B

Materials Examined

  • ECUADOR. EL ORO: Near Puyango, 600 m, 15 Aug 1978 (fem fl), Daly 101 (NY). MANABÌ: Upper Río Jama valley. rd. between San Isidro and San Jacinto, near estero Capa Perra, 300 m, 4 Nov 1982 (fr), Pearsall 1070 (AAU); 10 km N of Canoa on the Pacific coast, 3 km from the coast, 50 m, 26 Mar 1987 (fl, fem fl, fr), Balslev, Borchsenius et al. 62012 (AAU, NY, QCA); 2 km N of San Vicente town center on Pacific coast, ca. 1 km inland, 50 m, 25 Mar 1986 (imm fr), Balslev, Borchsenius et al. 62011 (AAU, NY, QCA) rd. Jipijapa-Guayaquil, km 46, 300 m, 4 Oct 1987 (fl, fem fl), Skov. Borchsenius. et al. 64735 (AAU, QCA); rd. Olmedo-Sta. Ana, km 3, 25O m, 5 Oct 1987 (fem fl), Skov & Borchsenius 64736 (AAU, QCA).
    (Borchsenius, F. and Bernal, R. 1996. Aiphanes (Palmae). Flora Neotropica 70. pp 1-95)B