Wahlenbergia tumidifructa

Single- or few-stemmed annual (rarely perennial), commonly glabrous, or with scattered coarse hairs near base; stems ascending to erect, 5–40 cm long, simple or few-branched, often leafless in upper half; leaves alternate (or basal 1–2 pairs opposite) obovate to narrow-elliptic near base, to linear above, 2–50 mm long, 0.5–10 mm wide; margins entire or weakly callus-toothed. Hypanthium globose to obovoid, 1–3 mm long, glabrous; calyx-lobes erect, narrow-triangular, 1–4 mm long, glabrous; corolla campanulate, pale blue, tube 1–5 mm long, from shorter to longer than calyx-lobes, lobes elliptic to obovate, 2–5(–6.5) mm long, 1–3.5 mm wide, acute; style 2.5–6 mm long, not or indistinctly constricted near midway, lobes 3, linear. Capsule plump, globose to obovoid, 2.5–9 mm long, 2–4.5 mm wide. Flowers mostly Sep.–Oct.