出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2010/12/08 01:32 UTC 版)
Acotyledon is used to refer to seed plants or spermatophytes that lack cotyledons, such as orchids and dodder. Orchid seeds are tiny with underdeveloped embryos. They depend on mycorrhizal fungi for their early nutrition so are myco-heterotrophs at that stage.
| ・a cotyledon | |
| ・akiba | |
| ・re st | |
| ・Sachsenberg | |
| ・in soluble | |
| ・sri-7 | |
| ・babamachi | |
| ・over salt | |
| ・Sakahito | |
| ・Totomi |