Notes: This species is considered as part of the Chamaecrista
Domination by Chamaecrista
fasciculata and Solidago canadensis is an indication of disturbance, as is the decrease in dominance of common prairie grasses.
Quantifying gene flow from spatial genetic structure data in a metapopulation of Chamaecrista
Seven leguminous cover crops, including Calopogonium caeruleum, Pueraria phaseoloides, Stylosanthes gracilis, Chamaecrista
rotundifolia, Crotalaria retusa, Tephrosia candida, and Flemingia congesta were planted in 1999 in two plots each.
Additional legumes are locally frequent, especially at upper levels: Chamaecrista
fasciculata, Galactia regularis, Desmodium spp.
rotundifolia, Panicum maxium, Pennisteum clandestinum, Chloris gayana 2.
have specialized feeding habits with their larvae feed on seeds of a restricted group of plant species classified in the subtribe Cassiinae (Fabaceae: Caesalpinioideae), which comprises Cassia Linnaeus, Senna Miller and Chamaecrista
Moench (Johnson & Kingsolver 1973; Johnson 1984), with a clear preference for seeds of Senna (Viana & Ribeiro-Costa 2013a).
Species ranking 2 through 5 in importance varied among seasons, but Uniola paniculata (sea oats), Oenothera drummondii (beach evening primrose), and Chamaecrista
fasciculata (partridge pea) were among the top five species in importance in each season.
However we found a stigma of the dry type in Cassia grandis (see Table 2), indicating that buzz-pollination is rather related to the stigma form and pollen release, caption and deposition on stigma, as previously discussed in Chamaecrista
chamaecristoidis (Arceo-Gomez et al.
Other chemical patterns detected include anthraquinones in Chamaecrista
apoucouita (Hegnauer, 1994) and dominant diterpenes and phenylpropanoids in Vouacapoua americana.
fasciculata was the only annual forb encountered in large numbers and was equally common under P.
Other forbs that were commonly encountered in both studies were Lithospermum canescens, Pedicularis canadensis, Phlox pilosa, Thaspium barbinode, Comandra umbellata, Blephilia ciliata, Liatris cylindracea, Linum sulcatum, and Chamaecrista