Select odd pairs w.r.t. bracts
Petaloid - Brightly coloured like petals
Spathe - Large bract endosing inflorence
Involuncre - Leaf like is appearance
Glume - small , dry , scaly in spikelet
As we have learned
Bracts -
They are specialized leaves that arise from the axil of leaves. can be following types
petaloid - brightly coloured like petals ex - Bougainvillea
Spathe - large bracts enclosing an inflorescence eg - banana
Foliaceous bracts - leaf like is appearance eg: Euphorbiaceae, Adhatoda
Involucre Bract - green in color one in more whorls a round eg: sunflower
Glume - Small, dry, scaly in spikelet of gramineae family eg: wheat
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