Utricularia longeciliata Candolle (1844: 23)

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 : 16

13. Utricularia longeciliata Candolle (1844: 23) ( Fig. 5 : A–C)

Marsh herbs, up to 30 cm tall. Stolons and vegetative parts glabrous. Leaves up to 0.5 mm wide, linear to filiform, apex rounded or acute, uninerved. Traps lateral, dorsal appendage short and subulate, ventral appendage long with bifid apex. Inflorescence erect, up to 10-flowered, flowers up to 1 cm distant from each other. Peduncle green or reddish; lateral spongy floats absent. Sterile bracts <1 mm, basifixed, ovate or triangular, margin fimbriate (more numerous at the base of the peduncle). Bract ca. 2 × 1 mm, basifixed, linear to ovate, margin fimbriate. Bracteoles up to 3 × 3 mm, basifixed, linear to ovate, margin fimbriate; as long as calyx lobes, on the apex of pedicels. Pedicels up to 0.5 mm long, shorter than the calyx lobes. Calyx lobes equal, margin fimbriate, without prominent nerves, reddish; upper lobe 3 × 5 mm, broadly obovate, apex obtuse; lower lobe 4 × 5 mm, broadly obovate, apex obtuse. Corolla yellow; upper lip 5 × 5 mm, broadly ovate; lower lip 7 × ca. 6 mm, orbicular, without visual lobes; spur up to 6 × 1.5 mm, cylindrical, apex rounded, shorter or as long as the lower lip and not forming an angle of 90º with the latter in lateral view. Style and filaments short. Capsule (not seen). Seeds (not seen).

Distribution:— Utricularia longeciliata occurs in the northern region of South America ( Taylor 1989). In Brazil it occurs in Amazonas, Pará and Roraima states ( Taylor 1989, Miranda et al. 2016). The species grows in sandy humid savannas ( Taylor 1989) and in the VNP it is found in areas of grassy white-sand savannas with saturated soils.

Taxonomic notes:—According to Taylor(1989),the capsules of this species are globose, dehiscing by a longitudinal ventral slit and the seeds are numerous, ovoid with reticulate surface. Leaves are usually present on specimens, and the peduncle turns blackish after drying. Utricularia longeciliata differs from other species with fimbriate calyx ( U. sandwithii and U. simulans ) by the lax appearance of the inflorescence, bracteoles equal to the calyx lobes, and corolla without any reddish mark.

Specimens:— BRAZIL. Roraima, Caracaraí, Viruá National Park: “Estrada Perdida”, 25 July 2010, T.D.M. Barbosa 1345, S.M. Costa (INPA!, UEC!).

Figures

FIGURE 5. Utricularia longeciliata A.DC. A. inflorescence (detail). B–C. flower (lateral view and view from the top). Utricularia myriocista A.St.-Hil. & Girard—D–E. habit. F. open flower (front view) and fruit. Utricularia nana A.St.-Hil & Girard—G. habit. H. flower (lateral view). I. habit in fruit. Utricularia olivacea Wright & Girard—J. habit. K. flower (front view). Utricularia pusilla Vahl—L. inflorescence (detail).