‖ rhizoma Bot.
(raɪˈzəʊmə)
Pl. rhiˈzomata, rhiˈzomas.
[mod.L., a. Gr. ῥίζωµα, f. ῥιζοῦσθαι to take root, f. ῥίζα root.]
= rhizome.
| 1830 Lindley Nat. Syst. Bot. 253 Aquatic plants..with a fleshy rhizoma which is eatable. 1841 Penny Cycl. XX. 312/1 The rhizomata of many of the species [of Sagittaria] contain amylaceous matter. 1877 F. G. Heath Fern World 18 From various parts of the upper side of the creeping rhizomas spring the fronds. |
Hence rhiˈzomatous a., consisting of or of the nature of a rhizoma; having rhizomata.
| 1847 W. E. Steele Field Bot. 210 Filiceæ. Leafy, perennial plants, often rhizomatous. 1872 Oliver Elem. Bot. ii. 186 In germinating the radicle [of mistletoe] penetrates the bark, forming a kind of rhizomatous root. |