Viola betonicifolia subsp. novaguineensis

Extensively rhizomatous perennial, but rosettes often remote from each other. Leaves mostly stiffly erect; lamina elongate-triangular, 40–90 mm long, 10–35(–70) mm wide, lateral margins straight or slightly concave, base truncate, often hastate; petiole (5–)10–20(–30) cm long, prominently winged from near midway. Flower-scapes mostly exceeding leaves, rarely to only half as long. (See species description for full account). Flowers Sep.–Feb.