In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

An epicalyx , an additional whorl around the calyx of a single flower , is a modification of bracteoles .
An epicalyx , which forms an additional whorl around the calyx of a single flower , is a modification of bracteoles In other words , the epicalyx is a " group of bracts resembling a calyx " or " bracteoles forming a whorl outer to the calyx " .

Lokomotiv Yaroslavl is a Russian professional ice hockey team playing in the Kontinental Hockey League ( KHL ) .
Hockey Club Lokomotiv , also known as Lokomotiv Yaroslavl , is a Russian professional ice hockey team , based in the city of Yaroslavl , playing in the top level Kontinental Hockey League ( KHL ) .

The national ISBN agency assigns the publisher number ( cf. the ) ; the publisher selects the item number .

The national ISBN agency assigns the registrant element ( cf . ) and an accompanying series of ISBNs within that registrant element to the publisher ; the publisher then allocates one of the ISBNs to each of its books .