A larch is a type of tree that belongs to the pine family. It has needle-like leaves that turn golden yellow and fall off in the autumn. The word "larch" refers to both the tree and the wood it produces. Full definition
Meeting him at his lab bench one day, she handed him a small disc of larch tree trunk with about 20 growth rings. (discovermagazine.com)
This water additive for dogs contains probiotics naturally sourced from larch trees and chicory root. (dogplaqueremovaltips.com)
I have seen very slow growth rates in larch from northern Siberia, but as you can see in the Salzer et al figure 4a the growth rates of the high elevation trees are ~ 0.4 mm on average compared to ~ 0.2 mm for the lower, precip limited site. (climateaudit.org)