| Characters | R. haussknechtii s.str. | R. pseudohaussknechtii Niederle |
|---|---|---|
| Caudex | Robust, 4-8 mm diam. | Slender, 2-3 mm diam. |
| Rosette leaves | Obovate-spathulate to narrowly spathulate, ciliate, 18-30 × 3-6 mm | Oblong to spathulate, ciliate, 8-12 × 2-3 mm |
| Median cauline leaves | 16-24 mm long, densely, imbricate | 6-8 mm long, sparsely, not imbricate |
| Calyx | Shorter than corolla tube | Longer than corolla tube |
| Corolla | Pale yellow | Pale pink |
| Petals | Connate 2/3 to 3/4 | Connate 2/5 to 1/2 |