Sessility (botany) subsessile, which is not completely sessile. Sessility (botany) In botany, sessility (meaning "sitting", used in the sense of "resting on the surface") is a characteristic of plant parts that have no stalk. Flowers or leaves are borne directly from the stem or peduncle, and thus lack a petiole or pedicel. The leaves of most monocotyledons lack petioles. The term sessility is also used in mycology to describe a fungal fruit body that is attached to or seated directly on the surface of the substrate, lacking a supporting stipe or pedicel. Other examples of sessile flowers include Achyranthus, Saffron, etc. Plant
Władysław Szafer Institute of Botany Władysław Szafer Institute of Botany The Władysław Szafer Institute of Botany (Instytut Botaniki im. Władysława Szafera, Polish) in Kraków, Poland is a major European herbarium containing a collection of over 650,000 vascular plants, bryophytes, algae, fungi, lichens, and various plant fossils. The vascular plant specimens are primarily from Central Europe with a specialization in alpine plants. The bryophytes are Polish, Antarctic and subAntarctic, and East African. The fossil plants are largely Central European. Main publications include "Acta Palaeobotanica", and the "Polish Botanical Journal". The herbarium was established in the 1950s by professor of botany and paleobotany, Władysław Szafer, at the