Viola nuttalli, a more western species that does not occur in the Chicago Region, has similarly shaped leaves as V. lanceolata, but differs by having aboveground stems with yellow flowers arising from the leaf axils. (intermountainbiota.org)
Cunninghamia2
In this study, we use data from China's National Forest Continuous Inventory as well as specimen collection data of Cunninghamia lanceolata (Lamb. (mdpi.com)
Cunninghamia lanceolata (C. lanceolata) is the main fast-growing timber species in southern China. (biomedcentral.com)
Leaves1
lanceolata refers to the shape of the leaves. (asu.edu)