Tu"bu*lose` (?), Tu"bu*lous (?), a. [Cf. F. tubuleux. See Tubule.]
Resembling, or in the form of, a tube; longitudinally hollow; specifically Bot., having a hollow cylindrical corolla, often expanded or toothed at the border; as, a tubulose flower.
Containing, or consisting of, small tubes; specifically Bot., composed wholly of tubulous florets; as, a tubulous compound flower.
Tubulous boiler, a steam boiler composed chiefly of tubes containing water and surrounded by flame and hot gases; -- sometimes distinguished from tubular boiler.
© Webster 1913.