Tanaecium revillae (A.H.Gentry) L.G.Lohmann, Ann. Missouri Bot. Gard. 99(3): 466.

Frazao, Annelise & Lohmann, Lucia G., 2019, An updated synopsis of Tanaecium (Bignonieae, Bignoniaceae), PhytoKeys 132, pp. 31-52 : 42-44

16. Tanaecium revillae (A.H.Gentry) L.G.Lohmann, Ann. Missouri Bot. Gard. 99(3): 466. Fig. 1G, S

Arrabidaea revillae A.H.Gentry, Ann. Missouri Bot. Gard. 65(2): 726, fig. 1. 1978 [1979]. Type: Peru. Loreto: Maynas, distr. Pebas, Río Yahuasyacu, afluente del Río Ampiyacu, 18 Jul. 1976, J. Revilla 718 (holotype, MO [MO-086234]!; isotypes, COL [COL000004271]!, F– 1797223!, NY [00313111]!, AMAZ not seen, USM not seen)

Habitat and distribution.

Tanaecium revillae occurs in riparian vegetation and permanently flooded forest of the Amazon region. It occurs in Brazil (Amazonas, Pará, Roraima), Colombia ( Caquetá), Guyana (Upper Takutu-Upper Essequibo), Peru (Loreto), and Suriname (Sipaliwini).

Phenology.

Flowering: January, April, June to September and November; fruiting: July to August.

Notes.

This species is well characterized morphologically and can be separated from other species of Tanaecium by the elliptic to ovate leaflets with cuspidate apices, tuft domatia in the abaxial surface of leaflets, fruits linear-oblong covered with peltate and patelliform glandular trichomes, and flat seeds with vestigial wings (Tab. 1 ).

Figures

Figure 1. Morphological diversity of Tanaecium. A-K Flowers A T. bilabiatum B T. dichotomum C T. duckei D T. jaroba E T. parviflorum F T. pyramidatum G T. revillae H T. tetragonolobum I T. tetramerum J T. truncatum K T. xanthophyllum. L-P Fruits L T. bilabiatum M T. cyrtanthum N T. jaroba O T. selloi P T. tetragonolobum. Q-T Seeds Q T. cyrtanthum R T. jaroba S T. revillae T T. selloi. Photos by A. Frazao, except A by B. Gomes B by R. Lopes E, M by C. Siniscalchi G by E. Kataoka H by Stevens I by Parada-Gutierrez J by L. H. M. Fonseca.