
sessile [ SES-il, -ahyl ] adjective: attached directly by the base without a stalk
There are several plant parts that can be described as sessile. A sessile leaf does not have a petiole and attaches directly to the stem. A sessile flower does not have a pedicel and attaches directly to the stalk. A sessile stigma does not have a style and attaches directly to the flower’s ovary. A sessile fungus does not have a stipe and attaches directly to the substrate surface.

Photo © Mary Free

Photo © Elaine Mills



Photo © Mary Free

Photo © Elaine Mills

Photo © Mary Free

Photo © Mary Free

Photo © Elaine Mills
References
Plants by Name. Minnesota Wildflowers. (accessed October 23, 2012).
Radford AE, Ahles HE, Bell CR. 1983. Manual of the Vascular Flora of the Carolinas. The University of North Carolina Press.
Weakley AS, Ludwig JC, Townsend JF. 2012. Flora of Virginia. Botanical Research Institute of Texas.