Botanical Words Alphabetical List - TR
TRACE ELEMENTS: Very small amounts of a chemical element found in plant tissue.
TRACHYCARPOUS: Having rough fruit.
TRAINING: The art or operation of forming young trees (or any other plant) to a wall or espalier, or causing them to grow in a desired shape.
TRANSPIRATION: The loss of watery vapor from the surface of foliage.
TRANSPIRE: To exhale watery vapor.
TREE: 1. A perennial plant that grows from the ground with a single, normally tall, woody, self-supporting trunk or stem and an elevated crown of branches and foliage (or only foliage as in the palms). 2. An herb or shrub growing naturally in or trained into the form or a tree.
TREE RING: A circle of cells just under the bark. The width of the ring indicates the amount of lateral growth the tree has undergone in any given year.
TRIANDROUS: Having 3 stamens.
TRICARPELLARY: Having three, usually fused, carpels.
TRICHOME:A plant hair.
TRIDACTYLATE: Literally, three-fingered, with three narrow lobes.
TRIFOLIATE: Having three leaves.
TRIFURCATE: Divided into three branches of forks.
TRIGAMOUS: Having three sorts of flowers in the same head: male, female, and hermaphrodite.
TRIJUGATE: Having three pairs of leaflets.
TRILOBATE: Three-lobed, such as a leaf.
TRIMEROUS: Having the parts in three's; often written 3-merous.
TRIMORPHISM: The development of three distinct forms of flowers, leaves, or other parts upon the same plant, or upon plants of the same species.
TRIMORPHOUS: Pertaining to, or characterized by trimorphism; having three distinct forms.
TRIOECIOUS: Having male, female, and hermaphrodite flowers, each on different plants.
TRIPETALOID: Appearing as if there are three petals, as a tripetaloid perianth.
TRIPINNATE: Threefold pinnate, as when leaflets of a bipinnate (divided twice) leaf are themselves pinnate.
TRIPINNATISECT: Parted nearly to the base or midrib in a tripinnate manner, such as a leaf.
TRIPLOID: Having three complete sets of chromosomes.
TRIQUETROUS: Three-angled; three-winged.
TRISTICHOUS: Arranged in 3 vertical rows or ranks.
TRITERNATE: A leaf divided into three parts, each of which is divided into three parts and then again divided into three leaflets; each complete leaf having 27 leaflets.
TRUNCATE: With one end squared off, such as the leaf of the Tulip Tree, Liriodendron tulipifera.
TRUSS: A compact terminal flower cluster or fruit cluster, such as the Lilac or Tomato.
TRYMA: A nut-like drupe with the outer part of the seed covering fleshy, leathery, or fibrous, and with a stony endocarp (inner shell), as in the walnut and hickory nut.
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