Dichotomous Key Exercise, Module 2

A. With cones- plant 1 A’. Without cones- see B          B. flowers with white petals- plant 2          B’. flowers without white petals- see C.               C. flowers with violet hues petals- plant 3               C’. flowers without violet hued petals- plant 4

Dichotomous Key

This is my very first Dichotomous Key. Hopefully this makes sense!  1.Glabrous Stem:  A. Needles, stomatiferous on all sides, cone……… Plant 1 B. White petal, pubescent peduncle………………..Plant 2 2. Pubescent Stem:  C. Violet petal, whorled leaf arrangement…………..Plant 3 D. Pubescent leaves with distinct apex……………..Plant 4

Dichotomous Key

A. Woody Plant………………………………………………………………………………………….. Plant 1 A. Herbaceous Plant                B. Unisexual Flowers…………………………………………………………………………. Plant 4                B. Bisexual Flowers Plant                               C. White Flowers ………………………………………………………………….. Plant 2                               C. Purple Flowers  …………………………………………………………………. Plant 3

Dichotomous Key

A) Tree or shrub with needle-like leaves. Flowers in cones.  #1 A*) Tree, shrub or herb with leaves of diverse form. Flowers with perianth, ovules enclosed in ovary.   B B) Flowers without petals. #4 B*) Flowers with petals.  C C) Stem terminating in a single purple flower with 6 …