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Tri-
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A prefix meaning three. |
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Triad
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In palms, a group (structurally a short cincinnus) of two lateral staminate flowers and a central pistillate flower. |
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Trichilium (plural = trichilia)
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A pad of densely clustered trichomes located at the abaxial base of the petiole of some species of Cecropia (Cecropiaceae) and containing Muellerian bodies that are a source of food for ants. |
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Trichome
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A hair-like outgrowth of the epidermis. In botany, trichome is preferred over the use of hair. |
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Trichome
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A hair-like outgrowth of the epidermis. In botany, trichome is preferred over the use of hair. |
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Trichomes
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Any structure arising from the epidermis (surface) of a plant; the equivalent to hairs in an animal. |
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Trichomes in axillary tufts
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Trichomes (the equivalent of hairs in the animal kingdom) usually located in the axils between the midribe and the secondary veins, e.g., in Quercus velutina (black oak). |
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Trichosclereid
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A branched schlerenchymatous cell with thin, hairlike extensions into the intercellular spaces. |
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Trichotomy
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A division into three parts. |
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Tricolpate
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Referring to a pollen grain with three colpi. |
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Tricolporate
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Referring to a pollen grain with three pores situated within three colpi. |
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Tricomas
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Cualquier estructura que emerge de la epidermis (superficie) de una planta. Equivalente a pelos en los animales |
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Tricomas Malpighiáceos
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Pelos unicelulares, adpresos y unidos en la mitad a una superficie; común en las Malpighiaceae, en las que pueden ser en forma de "T" o "Y" |
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Tricomas T
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Se refiere a los tricomas con forma de "T" o "Y", que están unidos en la mitad por un pedículo |
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Tridioecious
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Referring to the sexual condition of a species that bears only staminate flowers on some plants, only pistillate flowers on some plants, and staminate plus pistillate flowers or bisexual flowers on other plants. |
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Trifid
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Split into three parts. |
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Trifoliolate
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With three leaflets. |
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Trigger hairs
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Extensions placed at the opening (trap door) into the bladder of bladderworts (Utricularia sp.) which, when touched by prey cause the trap door of the bladder to open causing the prey to be sucked into into the bladder. The prey is decomposed and its nutrients, such as nitrogen, are assimilated by the plant. |
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Trigonous
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Three-angled. |
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Trilocular
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With three locules; e.g., an ovary. |
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Trimonoecy (trimonoecious)
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Referring to the sexual condition of a species that bears staminate, pistillate, and bisexual flowers on the same plant. Same as polygamomonoecious. |
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Trinucleate pollen
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Referring to pollen grains that have three nuclei when shed from the anthers. Compare with binucleate pollen. |
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Tripinnately compound leaf
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A compound leaf divided into three parts, each of which is pinnately compound. |
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Triplivenation
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With three ± equal, longitudinal veins departing from the base of a leaf blade. |
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Triquetrous
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Triangular in transverse section. |
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