On this page are drawings of leaves from 15 different tree species. Use the “Key” on the next page to help you identify each species. Then find the matching ... |
ILLINOIS ARBORISTS‟. CERTIFICATION STUDY GUIDE. Chapter 2. Jennifer Hitchcock ... ▫ Dicots – two cotyledons or seed leaves. ▫ Monocots – one cotyledon or ... |
“Hazel” comes from the leaves, which resemble those of the hazel shrub (Corylus spp.). Leaves, twigs and bark are aromatic and have been used as an astringent ... |
Bark: The bark is thick and black with deep ridges. Leaf: Leaves are arranged alternately on the stem. A leaf may have from 15 to 23 leaflets. Each leaflet may ... |
This is a sample dichotomous key to use for trees in southern Illinois, most of the main trees are represented. The key has been simplified to be used as a ... |
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