Tubulous

1. a. Containing, or consisting of, small tubes; specifically (Bot.), composed wholly of tubulous florets; as, a tubulous compound flower.
2. a. 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.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.