staminode

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staminode

[′stā·mə‚nōd]
(botany)
A stamen with no functional anther.
References in periodicals archive ?
Commonly the odd stamen is more or less reduced to a staminode or even lacking.
8-1 cm in length, compressed axis of inflorescence, and also by staminodes with compressed thecae.
In all four ginger families, the petaloid staminode structures produce the bulk of the floral display (color, symmetry and pattern).
This monotypic section is characterized by the number of stamens being reduced to three, and the absence of staminodes.
They also feature six staminodes without anthers, which are connate to the base of the petals.
caracterized by the presence of 6 distinct, tooth-like staminodes in the pistillate flower ("Flos FEM: Corolla intus staminodiis dentiformibus inter se disjunctis"), and (ii) Symphyodon including several species having the pistillate flower with a complete staminodial ring.
In many genera of Mutisieae the anthers are reduced to staminodes in the functionally female florets.
Fruit perianth with a persistent calyx about 1 mm long, reaching 1/2 the total height of the corolla tube; petals 4-5 mm long, connate for up to 2 mm (1/3-1/2 their length); staminodes 12-13, 1-2 opposite each sepal, and 2-3 opposite each petal.
Florets dimorphic; marginal florets female, with staminodes, corolla bilabiate, outer lip expanded; central florets bisexual, corolla bilabiate; anther apical appendages acute, tails papillose; style bilobed, branches dorsally papillose.
Florets dimorphic; marginal florets female, with well developed staminodes, corolla bilabiate, with an expanded outer lip; central florets bisexual, corolla bilabiate; anther apical appendages acute, tails papillose; style bilobed, branches dorsally papillose.