I grow from trunks and reach for the sky, I split from paths where choices lie. In banks or armies, I help expand, what am I, stretched across the land?

In watery realms, I find my place, guiding journeys with rhythmic grace. Held in hand, I dance on waves, a silent partner sailors crave.

From fancy ships, to rough days in a truck, keeping one of these avoids a clusterproblem! In the wilderness, a cabin keeps many of these, but also flashes with fire in a thing with tubes.

Striking monochrome; Agate dressed in deepest black Veins whisper lace white

I can be plowed or explored, harvested or and area of study.