Dichotomous Key

A. Cones present, leaves are needles……………………………………………… Plant 1 A’. Cones not present, leaves are not needles – B B. Complete flowers, perianth visible to naked eye – C B’. Incomplete flowers ……………………………………………………………. Plant 4 C. Petals white, many flowers per stem ………………………….. Plant 2 C’. Petals violet, one flower per …

Dichotomous Key

A Coniferous plants -B A’ Herbaceous plants -C  B Coniferous tree with needles (plant 1) C Herbaceous plants with petals (plant 2)(plant 3) C’ Herbaceous plants with without petals (plant 4) D Herbaceous plant with white petals (plant 2) D’ Herbaceous plant with purple petals (plant 3)