Abstract: 4. Thrinax Linnaeus f. ex Swartz (1788: 57). Type:— Thrinax parviflora Swartz Thrinax subgenus Euthrinax Drude (1889: 34). Type:—Not designated. Stems 4.0(1.5–18.0) m long and 10.9(5.0-24.0) cm diameter, solitary. Leaves more or less deciduous or only leaf bases persisting on stem; leaf sheaths split at the base; leaf sheath fibers 0.2(0.1–0.3) mm diameter, thin, flimsy, closely woven, forming ligules at the apices; petioles 12.6(5.7–30.2) mm diameter just below the apex; palmans 21.6(11.0–41.0) cm long, relatively long, without prominent adaxial veins; interfold filaments absent; leaf blades not wedge-shaped; segments 45(29–58) per leaf, the middle leaf ones 63.8(38.5–112.0) cm long and 3.3(2.2–4.9) cm wide; segments pendulous at the apices, giving a three-dimensional appearance to the leaf; middle leaf segments relatively long and narrow with a shoulder distal to the palman apex, widest at the shoulder, or relatively long and narrow without a shoulder distal to the palman, tapering gradually towards the ... : Published as part of Henderson, Andrew, 2023, A revision of Coccothrinax, Hemithrinax, Leucothrinax, Thrinax, and Zombia (Arecaceae), pp. 1-115 in Phytotaxa 614 (1) on pages 99-100, DOI: 10.11646/phytotaxa.614.1.1, http://zenodo.org/record/8389307 ...
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