Plants 1–9.5 cm. Leaf blades oblong-elliptic to lanceolate, 4–16(–25) × 1–6(–10) mm, base usually cuneate, sometimes truncate or cordate, margins ?strongly revolute to entire?, usually serrate or crenate, sometimes dentate, sinuses 5–30% to midvein, apex acute to slightly obtuse, surfaces smooth to rugulose, ?only midvein ± obscured adaxially within medial fold?, abaxial tomentose (obscuring lateral veins), adaxial usually glabrous, sometimes tomentose, feathery hairs usually absent, rarely 1–3 on midveins abaxially, midveins and petioles abaxially not stipitate-glandular, ?sessile glands usually present, rarely absent, longer hairs on adaxial surface and petioles sparse?. Peduncles 17–150 mm. Flowers erect at flowering; sepals lanceolate to narrowly elliptic, 4–8 × 0.7–2.5 mm; petals 8, spreading, usually white or cream, sometimes yellow, 9–14 × 5–11 mm; filaments glabrous. Achenes 2.2–3.5 mm; styles 11–25 mm. 2n = 18 (Siberia).
Home