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(Of pollen) a 3-slit aperture.  

Type of branched sclereid, with hairlike branches extending into intercellular spaces.  

Hair, bristle, prickle or scale; an epidermal outgrowth of diverse form, structure and function but without vascular tissue. A bristle or hair. An outgrowth of the epidermis, which can have various forms, but has no vascular tissue; a hair, bristle, prickle or scale. Crystal-like resin gland on cannabis leaves, stems, and calyxes where most cannabinoids…

With three keels.  

Taxon ranking above genus and below family. In taxonomy, an occasional subdivision of a family; often equal to or below subfamily and above genus.  

(Of pollen) with three openings.  

With three stamens.  

(In Gramineae/Poaceae) used for groups of three spikelets in Zonotriche; (In palms) a group of three florets, the central female, the flanking ones male; (In Amaranthaceae) a cluster of three flowers, a fertile one flanked by two sterile ones. Three organs or three symptoms which are linked together in a group. Set of three similar…

Upper layer of vegetation in forest or woodland.