The frond of the Common Polypody is cut in a pinnatifid manner.
Actually the frond is divided into three branches, each of which is triangular in shape and pinnate towards the base, becoming pinnatifid at the tip.
We have two very similar kinds differing in the shape of the leaves, one being more pinnatifid than the other.
Leaves irregularly pinnatifid or lobed, not segmented into definitely paired divisions (coarse plants 4-8 dm.
Stem-leaves irregularly pinnatifid or lobed; pod about as broad as long (2-4 dm.
Leaves pinnately compound; some of the leaflets incised or pinnatifid --8.
Leaves obovate or oblong, lyrately pinnatifid or deeply sinuate-lobed or nearly parted, the lobes sparingly and obtusely toothed or entire.
The most remarkable is the one with simple, from pinnatifid to entire leaves (var.
It has very large, sinuate, pinnatifid leaves, and small, panicled, apetalous flowers.
Defn: Thrice pinnately cleft; -- said of a pinnatifid leaf when its segments are pinnatifid, and the subdivisions of these also are pinnatifid.
Twelve to eighteen inches high, pinnatifid with minutely toothed divisions united by a broad wing.
A frond that is only once-pinnate may seem at first glance twice-pinnate, as its pinnae may be so deeply lobed or pinnatifid as to require a close examination to convince us that the lobes come short of the midvein of the pinnae.
But the tapering apex of the frond of the Pinnatifid Spleenwort is not so long and the veins of the frond are free.
RUBÉLLUM has the sori distinct even when mature; its pinnules stand at a wide angle from the rachis of the pinna and are strongly toothed or pinnatifidwith obtuse teeth.
Primary pinnæ in outline like the frond; the secondary, pinnatifidinto oblong and obtuse, cut-toothed lobes.
An unusually large and rare form with triangular, lanceolate, and pinnatifid pinnules, having blunt, oblong segments.
One of the smaller divisions of a pinnatifid frond.
Perennial low herbs, glabrous or puberulent, resembling Mints, with sharply toothed or pinnatifid leaves, the floral ones similar and much longer than the dense axillary whorls of small mostly white flowers; in summer.
Poisonous biennial, with spotted stems, large decompound leaves with lanceolate pinnatifid leaflets, involucre and involucels of narrow bracts, and white flowers.
Low and stemless perennials, with toothed orpinnatifid root-leaves, and scapes bearing one or more yellow heads.
Lobes of the simply pinnatifid leaves entire or toothed; pod 1/2' long, on elongated spreading pedicels, beaked by the long slender style.
Thallus pinnately divided or subsimple, flat or somewhat channelled; branches horizontal, the broader pinnatifid or dentate, obtuse; calyptra somewhat smooth.
Annual; leaves all radical, usually spatulate, pinnatifid to entire; head globose on a naked scape, usually rayless.
A coarse hispid perennial, with alternate deeply pinnatifid leaves, and somewhat paniculately disposed heads on slender naked peduncles; flowers yellow.
Lyrate, lyre-shaped; pinnatifid with the terminal lobe large and rounded, and one or more of the lower pairs small.
All with a dilated, clasping, eared base or winged petiole; above deeply pinnatifid into five to nine oblong or lanceolate, downward-pointing lobes.
It is a question whether the dominance of the palmatifid leaf over the pinnatifid is not really an example of the dominance of a lower number of segmentations over a higher.
Pectinate, pinnatifidor pinnately divided into narrow and close divisions, like the teeth of a comb.
The lowest one or two pairs of pinnae are twice pinnatifid in the largest specimens, but more commonly but once pinnatifid.
They are pinnatifid to within a line of the midrib into numerous oblong and obtuse segments, the veins of which are free, simple and pinnately arranged on a midvein.
The fertile and the sterile fronds are unlike, though both are very delicately membranaceous, and pinnate with once or twice pinnatifid pinnae.
In cutting, the fronds vary from pinnate, with pinnatifid pinnae and short nearly entire lobes, to twice pinnate, with pinnately-lobed segments.
There are usually about eight or ten full-sized pinnae each side of the rachis, besides the gradually diminishing pinnae near the acute pinnatifid apex.
The segments of the pinnae are from fifteen to twenty each side the midrib: the incisions do not extend quite to the midrib, so that the latter is narrowly winged, and the pinnae are pinnatifid rather than pinnate.
Underwood in Bulletin of the Torrey Botanical Club, has fronds only four or five inches long, the lower pinnae only pinnatifid and the upper ones lobed, the sori mostly solitary on the lobes.
This is another of the downy species, its pinnatifid leaves having quite a woolly appearance.
It differs from the last in having ternate radical leaves with pinnatifid lobes, and the upper leaves, bi-pinnatifid.
Thrice pinnately cleft; -- said of a pinnatifid leaf when its segments are pinnatifid, and the subdivisions of these also are pinnatifid.
Leaves obovate or oblong, lyrately pinnatifid or deeply sinuate-lobed; cup of the fruit fringed by the awned scales.
They are erect, succulent plants, from two to three feet in height, with a milky juice, and either toothed or pinnatifid leaves.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "pinnatifid" in a variety of sentences. We hope that you will now be able to make sentences using this word.
