Tail, any slender prolongation.
Terminal, at the apex.
Ternate, in threes.
Tetradynamoas, with four long stamens and two short ones.
Throat, the entrance to the tube of a calyx or corolla.
Thyrse, a compact panicle.
Thyrsold, like a thyrse.
Tri-, a prefix meaning three or thrice.
Trifoliolate, having three leaflets. Truncate, as if cut off square across the end.
Tuber, the enlarged end of an underground stem. Tubercle, a small tuber-like body.
Tuberous, having the appearance of a tuber.
Tunicated, having coats one within another.
Twining, winding spirally about a support.
Umbel, a flower-cluster with radiating pedicels.
Umbellet, a secondary umbel.
Utricle, an indehiscent 1-seeded fruit, with a thin loose pericarp.
Valvate, with the edges meeting but not overlapping.
Valve, one of the pieces into which a capsule splits.
Veins, the threads of fibro-vascular tissue running through the substance of a leaf.
Ventral, belonging to the inferior or lower side. Vernation, the folding of a leaf in the bud.
Versatile, attached by the centre (of the anther) and so able to swing about.
Vertical, upright. Verticillate, whorled. Villous, with long soft hairs. Viscid, sticky.
Whorl, a circle of leaves round a stem.
Wing, a thin expansion bordering any organ; one of the side petals of a papilionaceous corolla.
Woolly, with long matted hairs.