Dalbergia melanocardium Pittier, J. Wash. Acad. Sci. 12: 57. 1922.
Arboles ca 8 m de alto. Folíolos 7--11, elípticos, ovados a lanceolate, (1.5–) 2–5 (--7) cm de largo y 1– 2.5 (–3) cm de ancho, ápice obtuso a agudo, base redondeada a subaguda, tomwntose with tangled hairs, glabrescent in the haz with age; estípulas not seen. Inflorescencias cimosas-paniculate cortas, axilares, flores ca 4 mm de largo, sessile or pedicelos ca 1 mm de largo; cáliz 2 mm de largo, tomentose, lobos redondeados o subagudos, subiguales, el carinal longer; pétalos color not indicated, estandarte levemente reflexo; estambres 9, monadelfos. Frutos oblong to elípticos, 5.5--6 cm de largo y 1.5--2 cm de ancho, scatered to dense puberulent, estípite 6–10 mm de largo; semilla 1.
Conocida en Nicaragua por una sola colección (Macqueen 4) de bosques caducifolios, Matagalpa; 850 m; fr ene; México, Guatemala, El Salvador y Nicaragua. This collection was treated in the published Flora de Nicaragua as Dalbergia calderonii Standl. var. calderonii. Dalbergia calderonii is easily recognized when in fruit by its softly and densely brown velutinous fruits and is known from Chiapas, northwestern Honduras, and El Salvador.