Dichotomous Keys

Dichotomous Key

  1. Plant with flowers where petals are present
    1. Petals are white on biradial flower. Pubescent stems…………..plant 2
    1. Petals are purple with densely packed stamens in center……..plant 3
  2. Plant without flower petals
    1.  Woody stems with needles, producing cones…………………….plant 1
    1. Flat leaves with both male and female parts present……………plant 4

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