Lobelia linearis long flower

A Lobelia linearis flower may bend up slightly where the two lips separate, the upper one’s tip erect, the lower one porrect, continuing forward.

Tiny, mucro-like protrusions are visible in picture on lobe tips of both lips. The whitish patch near the front end of the lower lip is neither properly white, nor precisely delineated. A tubular-looking, purple protrusion angles up between the two parts of the split upper lip, maybe associated with the stamens.

The calyx is knuckle-like at the base, ending in narrow, finger-like lobes lying against the corolla back end, their pointed, partly white "fingernails" not quite clean (Vlok and Schutte-Vlok, 2015; Manning, 2007; iNaturalist).