asplenium montanum造句
例句與造句
- "Asplenium montanum " grows on acidic rocks such as sandstone, in crevices into which moisture seeps from within the rock strata.
- Among the group of " Asplenium hybrids " known as the " Appalachian " Asplenium " complex ", mangiferin and isomangiferin are produced only by " Asplenium montanum " and its hybrid descendants.
- It is believed to have originated by chromosome doubling in a hybrid between walking fern and mountain spleenwort ( " Asplenium montanum " ), producing a fertile tetraploid, a phenomenon known as alloploidy; however, the hypothesized parental hybrid has never been located.
- The species was first form was reported from the Shawangunk Mountains in 1974 . " Asplenium montanum " is a diploid member of the " Appalachian " Asplenium " complex, " a group of spleenwort species and hybrids which have formed by reticulate evolution.
- The species originated as a hybrid between mountain spleenwort ( " Asplenium montanum " ) and ebony spleenwort ( " Asplenium platyneuron " ); " A . bradleyi " originated when that sterile diploid hybrid underwent chromosome doubling to become a fertile tetraploid, a phenomenon known as allopolyploidy.
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