etaerio

plural etaerios

1. biologyAn aggregate fruit comprised of achenes, drupelets, follicles, or berries.

   1953, John Melvin Lowson, Textbook of Botany, University Tutorial Press, page 318, Clematis: actinomorphic; 4 petaloid sepals; petals 0; fruit an etaerio of achenes with persistent hairy styles.

   2 more examples

   Sometimes the achenia are aggregated upon a common receptacle, forming what is called an etaerio, as in the ranunculus, in which they are placed upon a dry receptacle, or in the strawberry, in which the receptacle is fleshy.

   1882, Achenium, entry in The American Universal Cyclopædia, Volume 1, [Reprint of Chambers Encyclopædia], S. W. Green's Son, page 66

   Four types of aggregate fruits include etaerios of achenes, follicles, drupelets, and berries. Ranunculaceae species, including Clematis and Ranunculus have an etaerio of achenes, Calotropis has an etaerio of follicles, and Rubus species like raspberry, have an etaerio of drupelets. Annona have an etaerio of berries.

   2018, Donovan Stevens, Daxton Ware, Biotechnology of Horticultural Crops, ED-Tech Press, page 62