Type : "Allied to it [
Ecastophyllum pubescens] in foliage is the following new species from the same collection [I have received from the Paris Museum fine specimens, gathered in Cayenne by Martin]: -
E[
castophyllum].
foliosum; ramulis petiolisque ferrugineo-puberulis, foliolis 5-7 alternis ovatis oblongisve, inflorescentia subcymosa, leguminibus crassis ovato-orbiculatis glabris. The specimens are in fruit only." [protologue].
Guyane française ["Cayenne"], s.d., fruits, J. Martin s.n. (HT:
K000530103 [comm. Herb. Mus. Par. 1839, ex hb. Benth.]; IT:
P03105554,
P03106157; IT?:
P02926356 [ex hb. Lemonnier]).