Welfia Wendland (1869: 242)

Henderson, Andrew & Villalba, Isabel, 2013, A revision of Welfia (Arecaceae), Phytotaxa 119 (1), pp. 33-44 : 35

Welfia Wendland (1869: 242) . Type:— Welfia regia Wendland ex André

Plants 13.9(6.0–25.0) m tall. Stems 9.8(4.4–22.5) m tall, 17.1(10.0–25.0) cm in diameter. Leaves 15(7–26) per stem; sheaths 93.2(23.0–165.0) cm long; petioles 36.7(5.0–83.0) cm long; rachises 446.7(279.0–570.0) cm long; pinnae 73(33–90) per side of rachis. Inflorescences prophylls 99.2(83.0–113.0) cm long; peduncular bracts 88.8(65.0–105.0) cm long, inserted 2.4(1.5–4.5) cm above the prophyll; peduncles 17.3(8.0–30.0) cm long, 44.9(27.6–59.1) mm diameter; rachillae 10(7–16), 71.3(46.5–110.0) cm long, 22.2(12.2–31.9) mm diameter; stamens 40(33–46); fruits globose, not or scarcely dorsiventrally compressed, scarcely ridged laterally and blunt apically, with a contracted base, or almond-shaped, dorsiventrally compressed, ridged laterally especially toward the apex, pointed apically, without a contracted base, 34.2(28.6–40.8) mm long, 15.8(10.8–28.0) mm diameter.