Agarista duckei (Huber) Judd, J. Arnold Arbor. 65: 286. 1984.  Leucothoe duckei Huber, Bull. Soc. Bot. Genève, II. 1: 246, fig. 1. 1909.  Type.  Brazil.  Pará: "in campis arenosis ad ripam orient. fl. Yamundá, pr. Faro," 27 Aug 1907, Ducke 8526 (holotype, MG, n.v.; frag. and photo of holotype, F; isotype, G-Boiss., n.v.).
     
      Leucothoe venezuelensis A. C. Smith, Contr. U.S. Natl. Herb. 29: 335. 1950.  Type.  Venezuela.  Bolívar: Gran Sabana, Cerro Akurimá, 20 Mar 1946, Tamayo 3236 (holotype, US; photo of holotype, NY; isotype, F).
       
        Shrub to tree to 6 m tall, with roughly furrowed bark; twigs sparsely to densely pubescent, with nonchambered pith; buds to ca. 1.5 mm long, leaves revolute.  Leaves coriaceous, elliptic to slightly ovate (obovate), (1.5-)2-5.7 x 0.5-2.1 cm, base narrowly to widely cuneate or rounded, apex elongate-mucronate to short-acuminate, margin entire, plane to strongly revolute, and entire lamina often strongly abaxially curved, adaxial surface sparsely pubescent on midvein, especially basal portion (with a few scattered hairs on basal portion of lamina), abaxial surface sparsely to moderately pubescent on midvein, with few to several very inconspicuous glandular dots along midvein; petiole 2-6(-7) mm long.  Inflorescences axillary racemes to 0.5-1.5 cm long; rachis densely pubescent; pedicels 2.5-12 mm long, moderately to densely pubescent; bracteoles 2, alternate, from nearly basal to within lower 1/3 of pedicel, triangular to narrowly so, to ca. 1.2 mm long; floral bracts to 1.2 mm long.  Flowers with triangular calyx lobes, with acuminate apices, 0.9-2.3 X 0.7-1 mm, abaxial surface moderately to densely pubescent; corolla urceolate to cylindrical, white (pink), 6-8 x 3-4.5 mm, glabrous; filaments 3.5-4.7 mm long; anthers 0.9-1.1 mm long; ovary sometimes with scattered gland-headed hairs, otherwise sparsely to densely pubescent.  Capsules ovoid to globose or subglobose, 5-6 x 6-8 mm, (valves white bordered,) placentae subapical; seeds 1.5-3 mm long.

        Distribution.  S Venezuela and W Pará, Brazil, and disjunctly in Mato Grosso, in thickets and forests on sand, open sandy areas, bush forest and savannas on white sand, river and lake margins, rocky slopes and plateaus, at ca. 100-1400 m alt.  Flowering May through August (October and December).