Swartzia arborescens, copyright Rocío Rojas.

Belongs within: Papilionoideae.

The Swartzieae are a group of leguminous plants characterised by non-papilionate flowers tending to lack petals and develop a profusion and elaboration of free stamens (Cardoso et al. 2013).

<==Swartzieae CP13
    |  i. s.: Fairchildia CP13
    |--+--Trischidium CP13
    |  |    |--T. alternum CP13
    |  |    `--+--T. decipiens CP13
    |  |       `--T. molle CP13
    |  `--+--Cyathostegia matthewsii CP13
    |     `--Ateleia CP13
    |          |--+--A. popenoei CP13
    |          |  `--+--A. arsenii CP13
    |          |     `--A. mcvaughii CP13
    |          `--+--A. glazioveana CP13
    |             `--+--A. herbert-smithii CP13
    |                `--+--A. guaraya CP13
    |                   `--A. pterocarpa CP13
    `--+--Bobgunnia CP13
       |    |--B. fistuloides CP13
       |    `--B. madagascariensis CP13
       `--+--+--Bocoa prouacensis CP13
          |  `--Candolleodendron brachystachyum CP13
          `--Swartzia CP13
               |  i. s.: S. macrostachya CP13
               |--S. apetala CP13
               |--S. canescens CP13
               |--S. cardiosperma CP13
               |--S. cubensis CP13
               |--S. jorori CP13
               |--S. polita CP13
               |--+--S. arborescens CP13
               |  `--S. simplex CP13
               `--+--S. pickelii CP13
                  `--+--S. flaemingii CP13
                     `--S. pinheiroana CP13

*Type species of generic name indicated


[CP13] Cardoso, D., R. T. Pennington, L. P. de Queiroz, J. S. Boatwright, B.-E. Van Wyk, M. F. Wojciechowski & M. Lavin. 2013. Reconstructing the deep-branching relationships of the papilionoid legumes. South African Journal of Botany 89: 58–75.

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