Lysimachia nummularia

Stems prostrate or trailing (rooting at nodes and often forming mats), simple or branching proximally, 1–5 dm, glabrous or sparsely stipitate-glandular; rhizomes slender to somewhat thickened; bulblets absent. Leaves opposite; petiole 0.1–0.5 cm, eciliate; blade orbiculate to ovate-orbiculate, 1–3.5 × 0.5–3.5 cm, base rounded, decurrent, margins entire, plane, eciliolate, apex rounded, surfaces reddish-brown punctate, glabrous; venation pinnate-arcuate. Inflorescences axillary in medial leaves, solitary flowers. Pedicels 1–8 cm, glabrous. Flowers: sepals 5, calyx streaked with dark resin canals, 5–8 mm, glabrous, lobes ovate to deltate, margins thin; petals 5, corolla yellow, finely streaked with black resin canals, campanulate to rotate, 10–15 mm, lobes with margins somewhat irregularly erose apically, apex rounded to acute, finely stipitate-glandular (sometimes sparsely so); filaments connate ca. 1 mm, shorter than corolla; staminodes absent. Capsules not seen. 2n = 30, 32, 43 (Europe).

3-6 hours of sun per day, with protection from intense mid-day sun

Water moderately, allowing the top 3cm to dry out between watering.

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Lysimachia Nummularia

Lysimachia nummularia

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