Jamesbrittenia tortuosa corolla tube

The corolla tube of a Jamesbrittenia tortuosa flower may change colour at its usual kink, positioned nearer the spreading petal lobes than the calyx.

The lower part of it in picture is whitish with dull red, longitudinal stripes on the veins that diminish in visibility in the kink and nearly disappear in the orange-yellow part before reaching the corolla lobes. The hairs on the tube appear softer or fainter than those on the short, green calyx and the grey-green pedicel.

Dark purple patches are present at the bases of the calyces and on some of their tips, as well as sporadically on leaves. The leaves and sepals are quite similar here, green and hairy surfaces with narrowly oblanceolate shapes ending in rounded, out-curving tips.

Old persistent corollas become thread-like, losing shape when dry, their lobes diminished (Vlok and Schutte-Vlok, 2015; Bond and Goldblatt, 1984; iNaturalist).