Could easily be tigerwood; I have some sitting in my shop which looks like this.
Here's a pic from Advantage:
5/4x6 Tigerwood Rainscreen Siding Net "Finished" Dimension: .990" Thick 4-5/8" Face Siding Adding beauty and a weather resistant layer to the exterior of your home just got easier. With our Tigerwood Rainscreen siding, your home will have a unique aspect that can only come from the second...
buyhardwood.advantagelumber.com
If it stinks when you turn, it would suggest Ironwood.
There are many other Woods it could be such as madrone, acacia, Texas ebony.
Best to categorize it as "looks like" rather than is.