Anthocerotophyta
E11690
Anthocerotophyta is a division of non-vascular plants commonly known as hornworts, characterized by their horn-like sporophytes and simple thalloid gametophytes.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
bryophyte
→
non-vascular plant group → plant division → |
| cellWallComponent |
cellulose
→
|
| clade |
Embryophyta
→
|
| commonName |
hornworts
→
|
| distinguishedFrom |
Bryophyta (mosses)
→
Marchantiophyta (liverworts) → |
| distribution |
cosmopolitan but patchy
→
|
| ecologicalRole |
contribution to nitrogen input in ecosystems
→
pioneer species on disturbed soils → soil stabilization → |
| fertilizationType |
water-dependent sperm motility
→
|
| habitat |
banks and rock surfaces in humid areas
→
damp soils → moist terrestrial habitats → |
| hasGametophyteCharacteristic |
dorsiventral thallus
→
pyrenoid-like structure in chloroplast in many species → simple thalloid body → single large chloroplast per cell in many species → |
| hasGametophyteDominance |
gametophyte-dominant life cycle
→
|
| hasGametophyteType |
thalloid gametophyte
→
|
| hasReproductiveOrgans |
antheridia and archegonia embedded in gametophyte tissue
→
|
| hasRhizoids |
unicellular rhizoids
→
|
| hasSporophyteCharacteristic |
basal meristem in sporophyte
→
elongate cylindrical sporophyte → indeterminate sporophyte growth → stomata on sporophyte → |
| hasSporophyteMorphology |
horn-like sporophyte
→
|
| hasSymbiosis |
association with cyanobacteria Nostoc in mucilage cavities
→
|
| kingdom |
Plantae
→
|
| lacks |
lignified vascular tissue
→
true leaves → true roots → true stems → |
| nitrogenFixation |
facilitated by Nostoc symbiosis
→
|
| nutrientUptake |
through gametophyte surface and rhizoids
→
|
| photosyntheticStage |
gametophyte and sporophyte both photosynthetic
→
|
| pigment |
chlorophyll a
→
chlorophyll b → |
| reproductionMode |
asexual reproduction by fragmentation
→
sexual reproduction by spores → |
| reproductionType |
alternation of generations
→
|
| sporeDispersal |
via dehiscent sporophyte valves
→
|
| sporeType |
haploid spores
→
|
| storageProduct |
starch
→
|
| vascularSystem |
non-vascular
→
|
Referenced by (1)
| Subject (surface form when different) | Predicate |
|---|---|
|
Plantae
→
|
hasDivision |