The Manual of the Botany of the Northern United States - LightNovelsOnl.com
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_Pedate._ Palmately divided or parted, with the lateral segments 2-cleft.
_Pedicel._ The support of a single flower.
_Pedicellate._ Borne on a pedicel.
_Peduncle._ A primary flower-stalk, supporting either a cl.u.s.ter or a solitary flower.
_Pedunculate._ Borne upon a peduncle.
_Peltate._ s.h.i.+eld-formed and attached to the support by the lower surface.
_Pendulous._ More or less hanging or declined. _Pendulous ovule_, one that hangs from the side of the cell.
_Perennial._ Lasting year after year.
_Perfect_ (flower). Having both pistil and stamens.
_Perfoliate_ (leaf). Having the stem apparently pa.s.sing through it.
_Perianth._ The floral envelope, consisting of the calyx and corolla (when present), whatever their form; in Hepaticae, the inner usually sac-like involucre of the archegonium.
_Pericarp._ The matured ovary.
_Perigynium._ The inflated sac which encloses the ovary in Carex.
_Perigynous._ Adnate to the perianth, and therefore around the ovary and not at its base.
_Persistent._ Long-continuous, as a calyx upon the fruit, leaves through winter, etc.
_Personate_ (corolla). Bil.a.b.i.ate, and the throat closed by a prominent palate.
_Petal._ A division of the corolla.
_Petaloid._ Colored and resembling a petal.
_Petiolate._ Having a petiole.
_Petiole._ The footstalk of a leaf.
_Phaenogamous._ Having flowers with stamens and pistils and producing seeds.
_Phyllodium._ A somewhat dilated petiole having the form of and serving as a leaf-blade.
_Pilose._ Hairy, especially with soft hairs.
_Pinna_ (pl. _Pinnae_). One of the primary divisions of a pinnate or compoundly pinnate frond or leaf.
_Pinnate_ (leaf). Compound, with the leaflets arranged on each side of a common petiole.
_Pinnatifid._ Pinnately cleft.
_Pinnule._ A secondary pinna; one of the pinnately disposed divisions of a pinna.
_Pistil._ The seed-bearing organ of the flower, consisting of the ovary, stigma, and style when present.
_Pistillate._ Provided with pistils, and, in its more proper sense, without stamens.
_Pitted._ Marked with small depressions or pits.
_Placenta._ Any part of the interior of the ovary which bears ovules.
_Plane._ Flat; with a flat surface or surfaces.
_Plicate._ Folded into plaits, usually lengthwise.
_Plumose._ Having fine hairs on each side, like the plume of a feather, as the pappus-bristles of Thistles.
_Plumule._ The bud or growing point of the embryo.
_Pod._ Any dry and dehiscent fruit.
_Pointed._ Ac.u.minate.
_Pollen._ The fecundating grains contained in the anther.
_Polliniferous._ Bearing pollen.
_Pollinium_ (pl. _Pollinia_). A ma.s.s of waxy pollen or of coherent pollen-grains, as in Asclepias and Orchids.
_Polypetalous._ Having separate petals.
_Pome._ A kind of fleshy fruit of which the apple is the type.
_Porose._ Pierced with small holes or pores.
_Posterior._ In an axillary flower, on the side nearest to the axis of inflorescence.
_Posticous._ On the posterior side; extrorse.
_Praemorse._ Appearing as if bitten off.
_p.r.i.c.kle._ A small spine or more or less slender sharp outgrowth from the bark or rind.
_Prismatic._ Of the shape of a prism, angular, with flat sides, and of nearly uniform size throughout.
_Proc.u.mbent._ Lying on the ground.
_Proliferous._ Producing offshoots.
