| Bark (colour on distal |
Younger stems: cream-brown |
Younger stems: pale grey |
| stems) |
Older stems: brown |
Older stems: dark grey or dark grey-brown |
| Indumentum (vegetative |
Dense sessile or short-stalked stellate and longer |
Dense sessile or short-stalked stellate trichomes |
| parts) |
dendritic trichomes; not appearing matted |
(rarely few dendritic in addition); appearing matted |
| Leaves |
Ovate, rotund or subrotund |
Narrowly to broadly elliptic, oblong-elliptic, |
| (lamina shape) |
|
oblanceolate or rarely ovate |
| Leaves (lamina apex) |
Acute, rounded, emarginate or truncate |
Acute, rounded or obtuse |
| Leaves (lamina base) |
Cuneate, rounded, subcordate or truncate |
Attenuate, rarely cuneate |
| Leaves (lamina ratio |
1–1.5:1 |
1.7–3.1:1 |
| length:width) |
|
|
| Leaves (lamina size) |
10–51 × 6–38 |
12–90 × 7–33 |
| (mm) |
|
|
| Bracteoles (shape) |
Broadly ovate |
Variable: ovate, narrowly obovate, oblanceolate, |
|
|
lanceolate or oblong-elliptic |
| Bracteoles (size) (mm) |
10–15 × 7–14 |
10.5–17.0 × 3.4–13.5 |
| Corolla (upper lobes) |
Connate for 45–50% their length |
Connate for ca. 20–40% their length |
| Corolla lobes (colour) |
Anterior lobe yellow, dotted burgundy at insertion of |
Anterior lobe yellow; other lobes pale yellow or |
|
trichomes, burgundy towards margins or burgundy |
orange, the latter usually fading to brownish orange |
|
on lateral margins only; other lobes burgundy |
in spent flowers |
| Ovary (indumentum) |
Glabrous |
Scattered short-stalked glandular trichomes towards |
|
|
apex |
| Distribution |
Namibia, Kunene Region from Khorixas to Bergsig |
Namibia, Kunene Region to the east of Khorixas; |
|
in the catchment area of the Huab River (Kaokoveld |
Otjozondjupa and Oshikoto Regions and eastwards |
|
Centre of Endemism) |
to northwestern Botswana |