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Scanning electron microscope images of seeds from protrusive type of Impatiens. (A1–F1) Whole view; (A2–F2,C3–F3) Partial view. (A1–A3) Impatiens huangyanensis, (B1–B3) Impatiens cyathiflora, (C1–C3) Impatiens principis, (D1–D3) Impatiens drepanophora, (E1–E3) Impatiens longialata, (F1–F3) Impatiens noli-tangere. Scale bars: (A1–C1,E1,F1) = 500 μm, (D1) = 200 μm.
