Taxonomic history:
1753: Linnaeus described this species as Commelina nudiflora in Species Plantarum, 1st ed., p. 41.
today: The current name for this species is Murdannia nudiflora (L.) Brenan
original Latin diagnosis
Commelina corollis aequalibus, pedunculis capillaribus, foliis lineari-lanceolatis, involucro nullo.
English translation
Commelina with corollas equal; with peduncles hair-like [in thickness]; with leaf blades linear-lanceolate; [and] with involucre absent.
| Commelina | Commelina |
| with corollas | corollis - ablative plural of first declension feminine noun corolla, -ae |
| equal; | aequalibus - ablative plural feminine of group B adjective aequalis, -is, -e; modifies corollis |
| with peduncles | pedunculis - ablative plural of second declension masculine noun pedunculus, -i |
| hair-like [in thickness]; | cappilaris - ablative plural masculine of group B adjective capillaris, -is, -e>; modifies pedunculis |
| with leaf blades | foliis - ablative plural of second declension neuter noun folium, -i |
| linear-lanceolate; | lineari-lanceolatis - lineari- (combining form of group B adjective linearis, -is, -e) + lanceolatis (ablative plural neuter of group A adjective lanceolatus, -a, -um); modifies foliis |
| [and] | [added for smoother reading] |
| with involucre | involucro - ablative singular of second declension neuter noun involucrum, -i |
| absent. | nullo - ablative singular neuter of irregular adjective nullus, -a, -um |