Lưu ý: Bản dịch của mục này hiện đang được kiểm tra chất lượng, vì vậy một số nội dung tạm thời chỉ hiển thị bằng tiếng Anh.
Mục từ này chưa được dịch sang ngôn ngữ của bạn, vì vậy nội dung gốc được hiển thị bên dưới.
palea
This term is a specialized botanical descriptor used almost exclusively in the study of Poaceae (grasses). It describes a specific anatomical structure that works in tandem with the lemma to enclose the flower, acting as a protective shield for the delicate reproductive organs.
Because it is a technical term of art, it is rarely encountered outside of scientific literature, taxonomic keys, or academic botany. It is typically used in a descriptive, neutral register to distinguish between the two different bracts found in a grass spikelet.
Ý nghĩa
Ví dụ
The palea is a small scale that protects the reproductive organs of the grass flower.
Under the microscope, the palea appears as a thin, translucent bract.
Under the microscope, the palea appears as a thin, translucent bract.
The lemma and the palea together enclose the floret.
I wonder if this specific species of wild grass has a reduced palea.
The researcher noted that the palea was shorter than the lemma in these samples.
Each spikelet contains a pair of glumes and a palea.
The palea serves as a secondary protective layer for the seed.
Botanists use the shape of the palea to distinguish between different grass genera.