Cardamine jonselliana Al-Shehbaz, Harvard Pap. Bot. 9: 5. 2004. TYPE: Uganda, Ruwenzori, Stuhlmann Pass, on moist open ground amongst grasses, 13,700 ft, between 18 Jun and 5 Jul 1968, A. C. Hamilton 742 (holotype, K!).

            Herbs, perennial, glbrous throughout except for leaf margin. Rhizomes branched, not scaly, 3–5 mm wide. Stems 10–25 cm, erect, simple, usually rooting from lower nodes. Rhizomal leaves and basal absent; cauline leaves pinnately compound, 5–9-foliolate; petiole 2–4 cm, not auriculate at base; terminal leaflet ovate to orbicular, 4–10 mm, obscurely 3–5-lobed, repand, ciliate, on a petiolule 1–2 mm; lateral leaflets orbicular to broadly ovate, 2–6 mm, sessile, repand to entire. Raceme bracteate throughout, 12–25-flowered; lowermost bracts 5-foliolate, gradually reduced in size and number of leaflets upward, uppermost repand or obscurely lobed; fruiting pedicels ascending to suberect, straight, stout, 5–10 mm. Sepals reddish purple, oblong, 3–3.5 mm, glabrous; petals purple, spatulate, 7–9 × 3–3.5 mm, obtuse at apex, not differentiated into blade and claw; stamens 6, filaments 2.5–3.5 mm, anthers oblong, 0.7–1 mm. Fruits (young) 1–1.5 cm. Seeds not seen.

Flowering Jun–Jul.

Habitat: moist and open grounds among grasses.

Elevation: ca. 4170 m.

Distribution: Uganda.