- IPNI Life Sciences Identifier (LSID)
- Biologia Centrali-Americana; or, contributions to the knowledge of the fauna and flora of Mexico and Central America edited by F. Ducane Godman and Osbert Salvin. Botany. London
- 2(4): 274
- Date of Publication
- Dec 1881
- Family as entered in IPNI
Hemsley cited the epithet of his comb. nov. as 'cordatum' and of its basionym as 'cordata' (a correctable error for 'cordifolium' and 'cordifolia', respectively).