Nota de aplicación
Cryptogamous (using sexual reproduction but lacking stamens or pistils) with hollow, jointed stems and whorls of slender branches at the joints. Today comprises one genus and around 30 species, but they were abundant in earlier periods; some Paleozoic sphenophytes grew up to 100 feet in height.
Ubicación jerarquía
- faceta agentes
- .. organismo vivo (nombre jerárquico)
- .... organismo vivo (entidad)
- ...... Eucariota (dominio)
- ........ Plantae (reino)
- .......... Angiospermae (plantas con flores) [+]
- .......... Anthocerophyta (division)
- .......... Briofito (división) [+]
- .......... Coniferales (división) [+]
- .......... Cycadophyta (division)
- .......... flora (plantas) [+]
- .......... ginkgo
- .......... Gnetophyta (division)
- .......... groupings of plants [+]
- .......... Gymnospermae (plant group)
- .......... hepática (división)
- .......... Lycophyta (division)
- .......... planta no maderable [+]
- .......... <plantas por localización o contexto> [+]
- .......... Progymnospermophyta (extinct division)
- .......... Psilophyta (division)
- .......... Pteridophyta (division) [+]
- .......... Rhodophyceae (class)
- .......... Rhodophyta (division)
- .......... Sphenophyta (division)
- .......... planta maderable [+]