出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2011/07/25 06:35 UTC 版)
A lignotuber is a starchy swelling of the root crown possessed by some plants as a protection against destruction of the plant stem by fire. The crown contains buds from which new stems may sprout, and a sufficient store of nutrients to support a period of growth in the absence of photosynthesis.