Genlisea pygmaea Saint-Hilaire (1833: 431)

Costa, Suzana M., Bittrich, Volker & Do Amaral, Maria Do Carmo E., 2016, Lentibulariaceae from the Viruá National Park in the northern Amazon, Roraima, Brazil, Phytotaxa 258 (1), pp. 1-25 : 7

3. Genlisea pygmaea Saint-Hilaire (1833: 431) ( Fig. 2 : E–F)

Marsh herbs, up to 5 cm tall. Leaves obovate, ca. 4 × ca. 1 mm. Raceme 1–2-flowered, flowers up to 1 cm distant from each other. Peduncle with simple and glandular hairs, sometimes branched. Sterile bracts, bract and bracteoles basifixed, lanceolate, up to 0.5 mm long; margin and surface with simple hairs. Pedicels up to 2 mm long, simple and glandular hairs present. Calyx lobes lanceolate, apex acute, ca. 1.5 mm long, margins and external surface with simple and glandular hairs. Corolla pale-yellow to white; superior lip ovate; spur conical, apex rounded, glandular hairs present. Capsule globose, simple and glandular hairs present, dehiscence circumscissile.

Distribution:—This species occurs in Trinidad, Venezuela, Colombia, Guyana, Suriname and Brazil ( Taylor 1991, 1999, Fleischmann 2012a). In Brazil it occurs in the northern, northeastern, central-western and southeastern regions ( Miranda et al. 2016). In the VNP G. pygmaea is found in grassy white-sand savannas.

Taxonomic notes:—It can be distinguished by the pale-yellow to almost white corolla with a conical spur with rounded apex.

Specimens:— BRAZIL. Roraima, Caracaraí, Viruá National Park : PPBio grid L1 / N6, 12 September 2010, S. M. Costa 698, T.D. M. Barbosa ( INPA!, UEC!) ; PPBio grid, 24 June 2010, T.D. M. Barbosa 1320, S. M. Costa ( INPA!) .

Figures

FIGURE 2. Genlisea filiformis A.St.-Hil. A. leaves in rosette. B. flower (front view). Genlisea oxycentron P.Taylor—C. leaves. D. flower (lateral view). Genlisea pygmea A.St.-Hil.—E. leaves in rosette. F. flower (front view). Utricularia amethystina Salzm. ex A.St.-Hil. & Girard—G. leaves. H. the white-flowered variant (lateral view). I. the blue-flowered variant (front view); Utricularia benjaminiana Oliv. J. spongy floats. K. habit. L. inflorescence (detail, note the botuliform spur).