bract

n. a specialized, modified, and often reduced leaf or leaflike structure just below a flower or inflorescence

bract

n. in conifers, one of the primary appendages of the cone axis, in the axils of which the ovuliferous scales are borne

spathe

n. a unusually large and solitary bract, surrounding or subtending an inflorescence

phyllary

n. an involucral bract of the Asteraceae

involucre

n. a whorl of bracts subtending a flower or flower cluster

scape

n. a leafless, or merely bracteate, flower stalk arising near the ground level in acaulescent plants

perfoliate

a. a sessile leaf, leaflet, or bract whose base completely surrounds the stem, so that the stem appears to pass through the leaf