A new species of Trichilia (Meliaceae) from Southeastern Brazil is here described, illustrated and compared to its closest related species. Trichilia arenaria sp. nov. is morphologically similar to T. casaretti, T. elegans and T. pallens. An identification key and comparison table for T. arenaria and those three species from Atlantic Forest of Espírito Santo are also presented.
Keywords:
Espírito Santo; Sapindales; Southeastern Brazil
| T. arenaria | T. casaretti | T. elegans | T. pallens | |
|---|---|---|---|---|
| Number of leaflets | 1-3 | 3-5(-11) | (3-)5-7(-9) | (3-)5-7(-9) |
| Translucent glandular punctations and striations | Conspicuous | Absent or inconspicuous | Conspicuous | Absent or inconspicuous |
| Domatia | Secondary veins | Secondary veins, and sub-marginal or sparse | Secondary veins | Secondary veins |
| Ovary | Densely pubescent | Glabrous | Glabrous | Glabrous |
| Capsule | Trigonal, papillose | Ellipsoid, not papillose | Usually ellipsoid, less frequently broadly ovoid, papillose | Broadly ovoid to globose, papillose |
