Calamites
E573680
Calamites is an extinct genus of tree-like, jointed horsetail plants that formed part of the lush coal-forming forests of the Carboniferous period.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
extinct genus
ⓘ
fossil plant genus ⓘ sphenopsid ⓘ |
| class | Equisetopsida NERFINISHED ⓘ |
| closelyRelatedTo |
Annularia (leaf form genus)
NERFINISHED
ⓘ
Arthropitys NERFINISHED ⓘ Calamostachys (cone form genus) NERFINISHED ⓘ |
| contributedTo | formation of coal seams ⓘ |
| division | Equisetophyta NERFINISHED ⓘ |
| ecologicalRole | dominant component of Carboniferous coal swamps ⓘ |
| environment |
swampy floodplains
ⓘ
wet lowland forests ⓘ |
| family | Calamitaceae NERFINISHED ⓘ |
| firstAppearance | Late Mississippian ⓘ |
| fossilDistribution |
Asia
NERFINISHED
ⓘ
Europe NERFINISHED ⓘ North America NERFINISHED ⓘ other parts of former Euramerica and Gondwana ⓘ |
| fossilPart |
casts and molds of pith cavities
ⓘ
petrified stems ⓘ reproductive cones ⓘ rhizomes and roots ⓘ |
| geologicalContext | coal-forming forests ⓘ |
| growthForm |
arborescent horsetail
ⓘ
tree-like plant ⓘ |
| growthHabit | clonal stands via rhizomes ⓘ |
| hasCommonName | Calamites horsetails ⓘ |
| kingdom | Plantae ⓘ |
| lastAppearance | Permian ⓘ |
| leafArrangement | whorled leaves at nodes ⓘ |
| leafType | small, simple leaves ⓘ |
| maximumHeight | up to about 20–30 meters ⓘ |
| notableFeature |
bamboo-like appearance
ⓘ
large size compared to modern horsetails ⓘ |
| order | Equisetales NERFINISHED ⓘ |
| photosyntheticOrgan | green stems ⓘ |
| relatedTo | Equisetum NERFINISHED ⓘ |
| reproduction | spore-bearing cones ⓘ |
| reproductiveStructure | strobili ⓘ |
| rootSystem | rhizomatous roots ⓘ |
| stemDiameter | up to tens of centimeters ⓘ |
| stemTexture | woody ⓘ |
| stemType |
jointed stem
ⓘ
segmented stem with nodes and internodes ⓘ |
| supportTissue | secondary xylem ⓘ |
| taxonRank | genus ⓘ |
| temporalRange |
Carboniferous period
NERFINISHED
ⓘ
Late Paleozoic NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.