The latin prefix meta- means 'to be associated with but to be distinct from'. So it was probably named because the biologists found it similar to the Sequioia but also distinct in it's own ways.
It could also be because they look slightly similar from a perspective but are in fact not related biologically.
The Dawn Redwood or Metasequoia glyptestroboides is a deciduous conifer.
Larch Larix. Dawn redwood Metasequoia glyptstoboides .
If you mean Metasequoia it is a deciduous conifer. It is commonly called the Dawn Redwood. It was only rediscovered in China in 1941.
I do not believe that Metasequoia glyptostroboides the dawn redwood is poisonous. I can find no reference anywhere to this . But it isn't something you should be eating anyway.
There does not seem to be any record of when or where the common name was arrived at but it would be a fair guess that the dawn part came from it being a fossil from the dawn of time, rediscovered in China.l
All trees lose their leaves eventually. Deciduous trees drop them all at once once a year.Evergreens carry leaves allt he year round and drop them through-out the year as they age. The Dawn Redwood (Metasequoia glyptostroboides) is a conifer that is deciduous.
Google Dawn Redwood.
Tropical Hibiscus are not deciduous but are evergreen. Because they only grow in warm areas with no frost or tempretures below freezing.But there is a hibiscus,Hibiscus syriacus or Rose of Sharon that is deciduous and is both frost and cold hardy.
Giant Redwood, Dawn Redwood, Giant Sequoia.
Metasequoia foxii was created in 2001.
Metasequoia glyptostroboides was created in 1948.
Neither, it's not an animal.