=Ovate-oblong.= Intermediate in shape between ovate and oblong. =Ovoid.= Egg-shape. =Palmate.= With several organs or structures attached at or proceeding from the same point; applied chiefly to the arrangement of principal veins in a leaf and of leaflets in a compound leaf. =Panicle.= A loose, more or less irregular, branching cluster of pedicelled flowers, usually much longer than thick. =Parallel-veined.= With the principal veins of the leaf paralleling each other from the base to the apex, or (rarely) from the mid-rib to the margin. =Pedicel.= The stalk of a single flower. =Parasite.= A plant which grows attached to another and derives its nourishment from it. =Peduncle.= The stalk of a flower-cluster, or of a solitary flower. =Peltate.= Attached to the stalk by the lower surface, instead of the margin. =Perennial.= Living through several seasons. =Perfect.= Bearing stamens and pistils in the same flower. =Perfoliate.= Clasping the stem so completely that the stem seems to pass through it. =Perianth.= The calyx and corolla of a flower. =Perigynium.= A sac-like structure surrounding the achene of a sedge. =Persistent.= Remaining attached for a considerable time. =Petal.= One member or segment of the corolla. =Petiole.= The stalk of a leaf. =Pinnate.= With several organs or structures attached at the sides of an axis or stalk; applied chiefly to the arrangement of the principal veins in a leaf and of leaflets in a compound leaf. =Pinnatifid.= Deeply pinnately cut or divided. =Pistil.= The central portion of a flower, consisting of ovary, style, and stigma; the seed-bearing part of the flower. =Pistillate.= Bearing pistils. =Polygamous.= Applied to plants in which some flowers are perfect and others either staminate or pistillate. =Pubescent.= Hairy. =Raceme.= A more or less elongated flower-cluster, bearing pedicelled flowers along a single axis. =Racemose.= Arranged in racemes. =Receptacle.= The end of a peduncle or pedicel upon which the organs of a flower, or the flowers of a head, are attached. =Recurved.= Curved back. =Reflexed.= Abruptly bent back or down. =Regular.= Uniform in shape or structure. Flowers are generally considered regular when all the petals are of the same size and shape. =Retrorse.= Directed backward or downward. =Revolute.= Rolled backward or under. =Rootstock.= A horizontal subterranean stem, sending up leaves or stems. =Rotate.= Wheel-shape; essentially flat and circular. =Sac-like.= Inflated; sack-like. =Sagittate.= Shaped like an arrow-head. =Salver-form.= A corolla having a slender tube abruptly expanded at the summit into a flat or spreading portion. =Scape.= A peduncle arising directly from the base of the plant, leafless or bearing bracts only. =Segment.= One member or portion of an organ. =Sepal.= One member or portion of the calyx. =Serrate.= With sharp teeth at the margin.