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Lychnis
See list of 3 species in this genus-
1a. Plants densely tomentose; calyx lobes twisted; inflorescence with mostly 3–7 flowers
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1b. Plants glabrous to pubescent but not tomentose; calyx lobes planar, not twisted; inflorescence with mostly 5–26 flowers
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2a. Stems pubescent with long hairs, some hairs longer than 1.5 mm, with mostly 10–20 pairs of lanceolate to ovate leaf blades 20–60 mm wide; petals with 2 apical lobes
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2b. Stems glabrous or pubescent with short hairs, the hairs shorter than 1 mm, with mostly 2–5 pairs of linear to lanceolate leaf blades 4–15 (–30) mm wide; petals cleft into 4 lobes [Fig. 563]
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Each photo represents one species in this genus.