sessile

• Diz-se de organismo ou estrutura que vive fixo a um substrato, sem se locomover. Em botânica, aplica-se a órgãos, como folhas ou flores, que se inserem diretamente no eixo, sem pedúnculo ou pecíolo.

Describes an organism or structure that is permanently attached to a substrate and not free to move about.

1. Permanently attachedC1formalscientific

   Fixed in one place; not able to move freely, typically used for organisms like barnacles or corals.

   Séssil

   • Barnacles are sessile crustaceans that attach to rocks.
   • Coral polyps are sessile in their adult stage.
   • Many marine invertebrates are sessile as adults.

   Sinônimosattachedfixedimmobilenonmotilerootedstationary

   Antônimosfree-livingmobilemotilevagile

2. Without a stalkC1formalscientific

   Attached directly at the base, without a supporting stem or stalk, used for leaves, flowers, or other plant parts.

   Séssil

   • The sessile leaves grow directly from the stem.
   • This plant has sessile flowers that lack a pedicel.
   • Sessile acorns are attached directly to the branch.

   Sinônimosstalklessstemless

   Antônimospedunculatestalked