Translation of "Flowering" in Japanese

There were no flowering plants,

花を咲かせる植物はなく

Many Japanese irises were flowering prettily on the lake's edge.

池のほとりに花ショウブが綺麗に咲いていました。

"Well, there's something I'd like your advice on about my research project ..." "Let's see... Hmm, you're investigating flowering plants then."

「じつは自由研究で相談したいことがあって・・・」「どれ・・・。ふーん、被子植物について調べてるのね」