=Leaf, compound.= Having two to many distinct blades on a common leafstalk or rachis. These blades may be sessile or have leafstalks of their own. =Leaf, pinnately compound.= With the leaflets arranged along the sides of the rachis. =Leaf, palmately compound.= With leaflets all standing on summit of petiole. =Leaf-cushions.= Organs resembling persistent decurrent footstalks, upon which leaves of spruces, etc., stand; sterigmata. =Leaf-scar.= The scar left on the twig where the petiole was attached. =Lenticel.= Externally appearing upon the bark as spots, warts, and perpendicular or transverse lines. =Linear.= Long and narrow with sides nearly parallel. =Monopetalous.= Having petals more or less united. =Mucronate.= Abruptly tipped with a small, sharp point. =Nerved.= Having prominent unbranched ribs or veins. =Obcordate.= Inversely heart-shaped. =Obovate.= Ovate with the broader end towards the apex. =Obtuse.= Blunt or rounded at the end. =Orbicular.= Having a circular or nearly circular outline. =Ovary.= The part of the pistil containing the ovules. =Ovoid.= A solid with an oval or ovate outline. =Ovuliferous.= Bearing ovules. =Panicle.= General term for any loose and irregular flower-cluster, commonly of the racemose type, with pedicellate flowers. =Pedicel.= The stalk of a single flower in the ultimate divisions of an inflorescence. =Peduncle.= The stem of a solitary flower or of a cluster. =Perfect.= Having both pistils and stamens. =Perianth.= The floral envelope consisting of calyx, corolla, or both. =Persistent.= Not falling for a long time. =Petal.= A division of the corolla. =Petiole.= The stalk of a leaf. =Petiolule.= The stalk of a leaflet in a compound leaf. =Pistil.= The seed-bearing organ of the flower. =Pistillate.= Provided with pistils; usually applied to flowers without stamens. =Pollen.= The fertilizing grains contained in the anthers. =Puberulent.= Minutely pubescent. =Pubescent.= Covered with short soft or downy hairs. =Raceme.= A simple cluster of pediceled flowers upon a common axis. =Rachis.= The main axis of a compound leaf, of a raceme or of a spike. =Ramification.= Branching. =Range.= The geographical extent and limits of a species. =Reflexed.= Turned backward. =Reticulated.= Netted; in the form of a network. =Revolute.= Rolled backward from the margin or apex. =Samara.= Key fruit; winged fruit, like that of the ash or maple. =Scarf-bark.= The thin, outermost layer which often peels off. =Segment.= One of the divisions into which a plane organ, such as a leaf, may be divided. =Sepal.= A calyx leaf. =Serrate.= With teeth inclining forward. =Serrulate.= With small teeth inclining forward. =Sessile.= Not stalked, as when the leaf blade or flower rests directly upon the twig. =Simple leaf.= Not compound, having one blade not jointed with its stem. =Sinuate.= Strongly wavy-margined.