A sterile or abortive stamen, frequently resembling a stamen without its anther.
〔植〕退化雄蕊
Example sentencesExamples
Pistillate flowers have the same perianth but the number of parts is more variable; staminodes are well developed with or without a rudimentary anther.
The four fertile stamens, and one small, median staminode, are inserted between the bell-shaped and the tubular sections, where a girdle of long hairs has developed as nectar cover.
The staminode in other Asteridae families is on the adaxial side and a corolla lobe is the abaxial perianth organ.
In abnormal male flowers, stamens develop as carpelloid structures, whilst in abnormal female flowers, the staminodes (vestigial stamens) develop as pseudocarpel structures.
The cocoa flower has five free sepals, five free petals, five staminodes, five stamens and an ovary of five united carpels.
Definition of staminode in US English:
staminode
nounˈstaməˌnōd
Botany
A sterile or abortive stamen, frequently resembling a stamen without its anther.
〔植〕退化雄蕊
Example sentencesExamples
The staminode in other Asteridae families is on the adaxial side and a corolla lobe is the abaxial perianth organ.
Pistillate flowers have the same perianth but the number of parts is more variable; staminodes are well developed with or without a rudimentary anther.
The four fertile stamens, and one small, median staminode, are inserted between the bell-shaped and the tubular sections, where a girdle of long hairs has developed as nectar cover.
The cocoa flower has five free sepals, five free petals, five staminodes, five stamens and an ovary of five united carpels.
In abnormal male flowers, stamens develop as carpelloid structures, whilst in abnormal female flowers, the staminodes (vestigial stamens) develop as pseudocarpel structures.