Ross
Shohin
I have had several elms in the past that I grew for a few years and then sold, and this year I collected 29 more elms (28 of them are leafing out right now). The ones I sold were acquired locally and I assume were originally collected locally. The 29 I collected this year all came from the same property in North Texas, just south of Sherman, close to the Oklahoma border.
I have generally always called these 'Cedar elms' but they are clearly not all the same. I looks to me that there are at least three different types of bark on them, and the leaves are different from tree to tree. Also, some are more prone than others to make wings on the branches, and some seem more prone to scale and insects. I think I can generally split these into three categories, corky bark, flaky bark, and smooth bark. The trees with corky bark seem to generally have longer, more elliptical leaves, and I think they might be Ulmus Alata or Winged Elm. The flaky bark trees seem to have smaller, more rounded leaves, and most of them leafed out the earliest. I think these might be Ulmus Crassifolia or 'Cedar Elm.' I have also only found scale on this type, maybe because they leafed out first. The smooth bark trees seem to have the smaller, less elliptical leaves, but it seems that they are not quite as vigorous and more prone to have their leaves munched on by little insects. The bark on these looks almost like Chinese elm (Ulmus Parvifolia) but the leaves are bigger and they make wings. I don't know what type of elm this smooth bark is. I have examples of each bark type with and without wings, but wings seem more prevalent on the corky bark type, that's part of the reason I think those are Ulmus Alata.
I know that Ulmus Crassifolia will flower and fruit in the late fall, but until then, can anyone help me distinguish between these species based on pics of the bark and leaves, and maybe shed some light on what's up with the smooth bark variety? Thanks!
I have generally always called these 'Cedar elms' but they are clearly not all the same. I looks to me that there are at least three different types of bark on them, and the leaves are different from tree to tree. Also, some are more prone than others to make wings on the branches, and some seem more prone to scale and insects. I think I can generally split these into three categories, corky bark, flaky bark, and smooth bark. The trees with corky bark seem to generally have longer, more elliptical leaves, and I think they might be Ulmus Alata or Winged Elm. The flaky bark trees seem to have smaller, more rounded leaves, and most of them leafed out the earliest. I think these might be Ulmus Crassifolia or 'Cedar Elm.' I have also only found scale on this type, maybe because they leafed out first. The smooth bark trees seem to have the smaller, less elliptical leaves, but it seems that they are not quite as vigorous and more prone to have their leaves munched on by little insects. The bark on these looks almost like Chinese elm (Ulmus Parvifolia) but the leaves are bigger and they make wings. I don't know what type of elm this smooth bark is. I have examples of each bark type with and without wings, but wings seem more prevalent on the corky bark type, that's part of the reason I think those are Ulmus Alata.
I know that Ulmus Crassifolia will flower and fruit in the late fall, but until then, can anyone help me distinguish between these species based on pics of the bark and leaves, and maybe shed some light on what's up with the smooth bark variety? Thanks!