A revision of Coccothrinax, Hemithrinax, Leucothrinax, Thrinax, and Zombia (Arecaceae) Author Henderson, Andrew text Phytotaxa 2023 2023-09-19 614 1 1 115 http://dx.doi.org/10.11646/phytotaxa.614.1.1 journal article 10.11646/phytotaxa.614.1.1 1179-3163 8389307 2.1. Hemithrinax compacta (Grisebach&Wendland)HookerexSalomon(1887:158) . Trithrinax compacta Grisebach & Wendland in Grisebach (1866: 221) . Thrinax compacta (Grisebach & Wendland in Grisebach) Borhidi & Muñiz (1985: 226) . Lectotype (designated by Moya 2019 ):— CUBA . Or., Farallon at Cayo del Rey, 1 September 1860 , C. Wright 3222 ( lectotype G n.v ., G image!, isolectotypes BH!, FI!, GH!, GOET n.v . , GOET image!, HAC n.v. , K!, LE n.v. , MO n.v. , MO image!, NY!, P n.v. , P image!, YU n.v. ) Stems length and diameter not recorded. Leaf sheath fibers 0.3(0.1–0.4) mm diameter, few, single; petioles 16.3(11.5– 22.6) mm diameter just below the apex; palmans 41.8(28.5–51.0) cm long; segments 46(37–53) per leaf, the middle ones 94.6(73.5–107.0) cm long and 4.9(3.7–6.2) cm wide; middle leaf segment apices attenuate; leaf segments without or with well-developed transverse veinlets. Inflorescences compact amongst the leaf sheath bases; rachis bracts swollen, woody, not or sparsely tomentose; partial inflorescences 9; proximalmost rachillae straight, 5.3(3.0–6.7) cm long and 1.1(0.8–1.4) mm diameter in fruit; stamens 7(6–8); fruit pedicels 0.2(0.1–0.7) mm long; fruits 5.7–5.8 mm long and 6.0– 6.6 mm diameter, color not recorded. Distribution and habitat:— Eastern Cuba ( Holguín , Santiago de Cuba ) ( Fig. 20 ) on mogotes, limestone hills, or limestone cliffs at 500(450–550) m elevation. Taxonomic notes:— Hemithrinax compacta is notable for its few leaf sheath fibers and short, compact inflorescences borne amongst the split leaf sheath bases.