Taxonomic history:
1753: Linnaeus described this species as Convolvulus tridentatus in Species Plantarum, 1st ed., p. 157.
today: The current name for this species is Xenostegia tridentata (L.) D.F. Austin & Staples
original Latin description
Convolvulus foliis lineari-cuneiformibus tricuspidatis: basi dilatata dentatis, pedunculis unifloris.
English translation
Convolvulus with leaf blades linear-cuneiform [and] three-cusped: at the base widened [and] dentate; [and] with peduncles one-flowered.
| Convolvulus | Convolvulus |
| with leaf blades | foliis - ablative plural of second declension neuter noun folium, -i |
| linear-cuneiform | lineari-cuneiformibus = lineari- (combining form of group B adjective linearis, -is, -e) + cuneiformibus (ablative plural neuter of group B adjective cuneiformis, -is, -e); modifies foliis |
| [and] | [added for smoother reading] |
| three-cusped | tricuspidatis - ablative plural neuter of group A adjective tricuspidatus, -a, -um; modifies foliis |
| at the base | basi - ablative singular of third declension feminine noun basis, basis |
| widened | dilatata - ablative singular feminine of perfect passive participle of first conjugation verb dilato, -are, -avi, atum; modifies basi |
| [and] | [added for smoother reading] |
| (with leaf blades) dentate; | dentatis - ablative plural neuter of group A adjective dentatus, -a, -um; modifies foliis |
| [and] | [added for smoother reading] |
| with peduncles | pedunculis ablative plural of second declension masculine noun pedunculus, -i |
| one-flowered. | unifloris - ablative plural masculine of group A adjective uniflorus, -a, -um; modifies pedunculis |