Maianthemum

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  M. canadense

  1a. Flowers with 4 tepals; leaf blades cordate at the base
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  1b. Flowers with 6 tepals; leaf blades narrowed near the base [Fig. 302]
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    M. racemosum

    2a. Inflorescence a panicle; tepals 0.5–1 mm long, shorter than the stamens; rhizome 8–14 mm thick
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    2b. Inflorescence a raceme [Fig. 302]; tepals 2.5–6 mm long, longer than the stamens; rhizome 1–4.5 mm thick
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      M. stellatum

      3a. Leaves 7–11 per stem, the blades sessile and somewhat clasping at the base 
 [Fig. 302], pubescent on the abaxial surface; peduncle of the raceme short, often 
shorter than 2 cm [Fig. 302]
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      M. trifolium

      3b. Leaves 2–4 per stem, the blades narrowed to a subpetiolar base, glabrous; peduncle of raceme 2–6 cm long

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 Show photos of:   Each photo represents one species in this genus.