Lobelia hartlaubi Buchenau

Procumbent, straggling or erect herb, 10–80 cm. long, from a decumbent base, often rooting at lower nodes.. Stems ribbed or narrowly winged, subglabrous to sparsely pilose.. Leaves with the lamina narrowly to broadly ovate or triangular, up to 15–70 mm. long and 10–40 mm. wide, acute or subacute at the apex, cuneate or truncate at the base, ± pilose on both sides but mainly on the nerves; petiole up to 5–30 mm. long; leaf-margin coarsely dentate or serrate; venation prominent, particularly beneath.. Flowers in lax, 2–6-flowered, pedunculate or sessile racemes; pedicels up to 1–5(–8) mm. long, glabrous or ± pubescent; bracts linear, 3–8(–12) mm. long; bracteoles usually near middle or top of pedicel, linear, up to 1.5 mm. long, broadened at the tip.. Hypanthium narrowly obconical, 8–10-nerved, glabrous or ± pilose.. Calyx-lobes linear, 2–5(–7) mm. long, ciliate and often with a few hairs also on the midvein.. Corolla 7–10 mm. long, white, mauve, blue or violet with darker markings in throat, with 2 longitudinal crests in the mouth of the tube, split to the base on the back, pilose at least on the lobes outside or glabrous, puberulous inside on the bottom of the tube.. Filaments pubescent below except sometimes for the upper one, puberulous inside at the top, connate above, attached to corolla-tube at the base.. Anther-tube 1.2–1.6 mm. long, the 2 lower anthers shorter than the others; all anthers penicillate at the apex, otherwise glabrous or sparsely pilose on the connectives outside.. Ovary subinferior.. Capsule 8–10-nerved, glabrous or ± pilose, with 2 valves 2–3.5 mm. long, inferior part of capsule 6–13 mm. long, tending to split longitudinally.. Seeds elliptic to suborbicular in outline, somewhat compressed, 0.7–1 mm. long, striate, pale or reddish brown.

In montane forest.