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Trijugate :: Trijugate (a.) In three pairs; as, a trijugate leaf, or a pinnate leaf with three pairs of leaflets..

Ash :: Ash (n.) A genus of trees of the Olive family, having opposite pinnate leaves, many of the species furnishing valuable timber, as the European ash (Fraxinus excelsior) and the white ash (F. Americana)..

Osmund :: Osmund (n.) A fern of the genus Osmunda, or flowering fern. The most remarkable species is the osmund royal, or royal fern (Osmunda regalis), which grows in wet or boggy places, and has large bipinnate fronds, often with a panicle of capsules at the top. The rootstock contains much starch, and has been used in stiffening linen..

Pinnule :: Pinnule (n.) One of the small divisions of a decompound frond or leaf. See Illust. of Bipinnate leaf, under Bipinnate..

Tripennate :: Tripennate (a.) Same as Tripinnate.

Pinnulate :: Pinnulate (a.) Having each pinna subdivided; -- said of a leaf, or of its pinnae..

Pari- :: Pari- () A combining form signifying equal; as, paridigitate, paripinnate..

Poinciana :: Poinciana (n.) A prickly tropical shrub (Caesalpinia, formerly Poinciana, pulcherrima), with bipinnate leaves, and racemes of showy orange-red flowers with long crimson filaments..

Chervil :: Chervil (n.) A plant (Anthriscus cerefolium) with pinnately divided aromatic leaves, of which several curled varieties are used in soups and salads..

Finial :: Finial (n.) The knot or bunch of foliage, or foliated ornament, that forms the upper extremity of a pinnacle in Gothic architecture; sometimes, the pinnacle itself..

Catadromous :: Catadromous (a.) Having the lowest inferior segment of a pinna nearer the rachis than the lowest superior one; -- said of a mode of branching in ferns, and opposed to anadromous..

Pinnacle :: Pinnacle (n.) An architectural member, upright, and generally ending in a small spire, -- used to finish a buttress, to constitute a part in a proportion, as where pinnacles flank a gable or spire, and the like. Pinnacles may be considered primarily as added weight, where it is necessary to resist the thrust of an arch, etc..

Interrupted :: Interrupted (a.) Irregular; -- said of any arrangement whose symmetry is destroyed by local causes, as when leaflets are interposed among the leaves in a pinnate leaf..

Pinnae :: Pinnae (pl. ) of Pinn.

Byssus :: Byssus (n.) A tuft of long, tough filaments which are formed in a groove of the foot, and issue from between the valves of certain bivalve mollusks, as the Pinna and Mytilus, by which they attach themselves to rocks, etc..

Penninerved :: Penninerved (a.) Pinnately veined or nerved.

Jugum :: Jugum (n.) A pair of the opposite leaflets of a pinnate plant.

Pennated :: Pennated (a.) Same as Pinnate.

Principal :: Principal (n.) One of turrets or pinnacles of waxwork and tapers with which the posts and center of a funeral hearse were formerly crowned.

Bipinnate :: Bipinnate (a.) Alt. of Bipinnate.

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