Compilation
Sonchus kabarensis

Annual or perennial herb, erect, 0.2–1.5 m high; rootstock often thick, fleshy and long; stem hollow, much-branched, often slightly succulent, glabrous, with milky juice. Leaves often glaucous, sessile, lanceolate to linear and sometimes pinnatilobed, 2–25 cm long, 0.3–4 cm wide (or up to 9 cm wide including the lobes), base attenuate to short-sagittate, margins entire to dentate, lobes (when present) in the proximal part of the leaf, narrowly triangular and 0.5–5 cm long, leaf and lobe apices acute, glabrous. Capitula many, in lax panicles; stalks of individual capitula 2–25 mm long, sometimes pilose; involucre 7–10 mm long, cylindric to spreading; phyllaries green, often with purplish streak or apex, extending down the stalk, ovate to lanceolate, 2–10 mm long, acute or obtuse, often scattered-pilose, usually with a single glandular seta near the apex. Florets 10–25 per capitulum; corolla yellow or pale lemon yellow (rarely described as whitish), the outer ones with ligule with thin or broad purple or red streak(s), tube 3–4 mm long, ligule 6–8 mm long, 1.5–2.2 mm wide. Achenes pale brown, fusiform or narrowly obovoid, 2.5–4 mm long, many-ribbed with muricate ribs; pappus of white setae 4.5–6 mm long.