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In botany, "seta" refers to the stalk supporting the capsule of a moss or liverwort (both closely related in a clade called "Setaphyta"), and supplying it with nutrients. The seta is part of the sporophyte and has a short foot embedded in the gametophyte on which it is parasitic .
This glossary of botanical terms is a list of definitions of terms and concepts relevant to botany and plants in general. Terms of plant morphology are included here as well as at the more specific Glossary of plant morphology and Glossary of leaf morphology.
Systems Engineering and Technical Advisory (SETA) contractors are government contractors who are contracted to assist the United States Department of Defense (DoD) components, and acquisition programs. (In some areas of DoD, the acronym SETA refers to "Systems Engineering and Technical Assessment" contractors; also refers to "Systems ...
Fertilized eggs become zygotes, which develop into sporophyte embryos inside the archegonia. Mature sporophytes remain attached to the gametophyte. They consist of a stalk called a seta and a single sporangium or capsule. Inside the sporangium, haploid spores are produced by meiosis. These are dispersed, most commonly by wind, and if they land ...
seta A stiff chitinous or sclerotised hair or bristle. Also chaeta, cheta setaceous. being like or having the nature of a seta or of setae; setose; setose bearing, or covered in setae. setula Diminutive of seta. A small chitinous hair or bristle. setulose bearing, or covered in setulae. shade see central shade spiracle
J. C. Bose has been described as the "father of plant neurobiology" [1]. Plant intelligence is a field of plant biology which aims to understand how plants process the information they obtain from their environment.
These plants are small and thalloid, i.e. not differentiated into root, stem and leaf.Depending on species, the thallus may be strap-shaped and about 0.5 to 4 mm wide with dichotomous branches or may form rosettes or hemirosettes up to 3 cm in diameter, that may be gregarious and form intricate mats.
Illustration of a typical salicoid tooth, the yellow area showing the expanding leaf vein and glandular seta. Populus trichocarpa leaf margin showing a salicoid tooth. The brownish-yellow area in the axil of the tooth is the glandular seta. The Salicaceae are the willow family of flowering plants.