Perennials with entire leaves, all or only the upper opposite; involucres long-peduncled in a dichotomous inflorescence, mostly with 5 transversely oblong glands; seeds without caruncle.
Sterile involucres and flowers as in Ambrosia, but the scales separate and receptacle cylindrical.
Radical leaves all tapering into margined petioles; involucres squarrose (hardly so in n.
Involucres 1-fruited, connate with the lobes beneath, horizontal, opening by a vertical terminal slit.
Involucres as many, 1-fruited, each a distention of the lobe.
Involucres sessile, obconic or pyriform, perforated at the apex, continuous with the thallus at base.
Flowers: male pale yellow, inclosed for half their length in conspicuous involucres of the lustrous bud-scales; female with pale green bracts tinged with red.
Its showy involucres attract a crowd of moths, butterflies, and other winged people about it for their own and, I suppose, the tree's advantage.
The handsome flowers are about an inch across, white, turning pink in fading, the involucres with shining, papery, green and white bracts.
The smooth stem forks towards the top and the branches, which are slightly hairy, bear numerous clusters of involucres with flowers inside them.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "involucres" in a variety of sentences. We hope that you will now be able to make sentences using this word.
