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Altogether, ENTS has confirmed four trees to heights of 51 m (167 ft) or more by climb and tape drop. In the Northeast, the tallest accurately measured tree is 44 m (144 ft). This tree, named the Seneca hemlock, grows in Cook Forest State Park, PA. Above 43°N latitude, the maximum height of the species is less, under 39 m (128 ft).
The following is a list of widely known trees and shrubs. [1] [2 ... likewise the genera and closely related species. The list currently includes 1352 species ...
Species name Range in Canada Global rank Notes YK NT NU LB CA; BC AB SK MB ON QC NB PE NS NF; Taxus baccata English yew YK NT NU LB CA Secure Exotic BC AB SK MB ON QC NB PE NS NF Taxus brevifolia Pacific yew YK NT NU LB CA Secure BC AB SK MB ON QC NB PE NS NF Taxus canadensis Canada yew YK NT NU LB CA Secure BC AB SK MB ON QC NB PE NS NF
N Amelanchier canadensis – Canada serviceberry, swamp shadbush, thicket serviceberry; N Amelanchier humilis – low serviceberry, running serviceberry; N Amelanchier laevis – smooth juneberry, Allegheny serviceberry, smooth chuckleypear; N Amelanchier sanguinea var. gaspensis – Gaspé roundleaf juneberry
The Canadian flora is depauperate because of the near total glaciation event in the Pleistocene. Due to the vast area of Canada, a tree that is common in one area may be completely absent in another. In particular, many warm-temperate trees can only be grown on the mild Pacific coast (where gardens may contain additional species not listed here).
The research, which analyzed five DNA loci, showed that V. canadensis forms monophyletic clades in all phylogenetic trees, indicating clear genetic separation from other species in the genus. It is most closely related to V. viridis, the other North American species in the genus, though they have non-overlapping geographic distributions. [8]
Senega officinalis is a species of flowering plant in the milkwort family, Polygalaceae. It is native to North America, where it is found in southern Canada and the central and eastern United States. [1] [2] Its common names include Seneca snakeroot, [3] senega snakeroot, senegaroot, [2] rattlesnake root, and mountain flax. [4]
Cercis canadensis, the eastern redbud, is a large deciduous shrub or small tree, native to eastern North America from southern Michigan south to central Mexico, west to New Mexico. Species thrive as far west as California and as far north as southern Ontario. [3] It is the state tree of Oklahoma.