Cochlearia Armoracia, a perennial plant of the natural order Cruciferae, having a stout cylindrical rootstock from the crown of which spring large radical leaves on long stalks, 4 to 6 in.
They are herbaceous plants growing from an underground much-branched rootstock from which spring slender aerial shoots which are green, ribbed, and bear at each node a whorl of leaves reduced to a toothed sheath.
For herbs with leaves that spring from the rootstock alone, for example, without any visible above-ground stem, two main plans have been very widely adopted.
Rootstock of Solomon's Seal, with the bottom of the stalk of the season, and the bud for the next year's growth.
A Tuber= may be understood to be a portion of a rootstock thickened, and with buds (eyes) on the sides.
A piece of the running rootstock of the Peppermint, with its node or joint, and an axillary bud ready to grow.
In vigorous plants of Solomon's Seal or Iris, the living rootstock is several inches or a foot in length; while in the short rootstock of Trillium or Birthroot (Fig.
The very short rootstock and strong terminal bud of a Trillium or Birthroot.
Here the rootstock sends up every spring an herbaceous stalk or stem, which bears the foliage and flowers, and dies in autumn.
But like most medicines, so the homeopaths have taught us, the plant that heals may also poison; and the coarse, thick rootstock of this hellebore sometimes does deadly work.
The larger, longer petioled leaves that rise directly from the rootstock have scarcely developed at flowering time.
The wound healed and the rootstock remained absolutely clean.
Dunstan(8) reported that pecan provides a perfectly satisfactory rootstock for shagbark, shagbark hybrid, and hican varieties.
It is better, then, to use a rootstock immune to this malady so wide-spread among our native walnuts.
Brison(5) stated that some nurserymen prefer seed of certain pecan varieties as Riverside and Burkett for rootstock purposes as these produce strong vigorous seedlings.
Rootstocks and Interstocks for Hickories Reed(16) summarized the rootstock studies at Beltsville, Maryland, by stating that pecans were best on pecan seedlings and that shagbarks were successful on either shagbark or pecan rootstocks.
An aquatic plant with fleshy rootstock which creeps along the muddy bottoms; from its nodes spring the stalks of the leaves and flowers.
The rootstock contains a large quantity of starch which has been utilized for food in the periods of famine which have desolated India and Egypt.
Rootstock very short, erect, with clustered fleshy roots (which are full of starch, in very minute, irregular granules!
Low and slender perennials, with round heart-shaped alternate leaves on the rootstock or runners, on slender petioles; those on the flowering stems opposite, if any.
Rootstock creeping, bearing linear equitant leaves, and a simple stem or scape, terminated by a simple dense bracteate raceme; pedicels bearing a linear bractlet.
Stipes and the stout creeping rootstock bearing broad and deciduous chaffy scales.
In other words, will a susceptible scion when grafted on a resistantrootstock become more resistant because antibiotic substances formed in the roots of the resistant rootstock are translocated into the scion?
The best results have been obtained where the rootstock plant was transplanted one year prior to the grafting.
The fronds spring from the rootstockin the manner peculiar to the species to which they belong.
From its creeping rootstock rise the scattered fronds which at times wear very light and delicate shades of green.
Ferns are propagated by the growth and budding of the rootstock as well as by the ordinary method of reproduction.
Asplenium Ruta-muraria Rootstockof Lady Fern (Two parts) Sori of Lady Fern.
Rootstock slender and creeping from which fronds are produced all summer, in appearance like the small, ternate divisions of the bracken.
The young ferns should be transplanted in early spring with as much of the long, running rootstock as possible.
The heavy rootstock rises slightly above the ground and is clothed at the crown with shaggy, brown scales.
GRAPE FERNS Botrýchium Rootstock very short, erect with clustered fleshy roots; the base of the sheathed stalk containing the bud for the next year's frond.
OBLÌQUUM Rootstock short, its base including the buds of succeeding years.
In the Lowland Lady Fern the rootstock is but slightly concealed by old stipe bases, and so may be distinguished from its sister fern.
Its rootstock produces the well-known fìlix-mas of the pharmacist.
Such a rootstock should also accept buds or grafts readily, and be compatible with the scion throughout the life of the tree.
Then there is the combination where rootstock and top vary too much in their growth rate, thus making an unsightly tree.
I tried our Michigan black walnut seedlings as a rootstock and found that they are very much better rootstock material.
The ideal rootstock is one that attains a diameter nearly equal to the diameter of its partner, and is capable of producing a moderate amount of top growth, together with the production of heavy crops of nuts.
The need for extensive rootstock research is keenly felt by growers of walnut, hickory and chestnut.
It would take years of observation in a test planting to prove whether or not a new rootstockmaterial is safe to use.
Sometimes the rootstock will force to the top too much growth, which is likely to bring about unfruitfulness.
Sometimes in our eagerness to adopt a new rootstock we are likely to neglect a vital point, namely--Future Performance of the root-top combination we are about to use.
Clonal Rootstock Propagation The difficulty of propagating any selection of nut trees by vegetative means has discouraged selections for rootstock purposes.
There have apparently been little or no observations made on the performance of seedlings for rootstock purposes between different parental strains except for Chinese chestnut as reported by McKay (12).
America, sending up from its running, underground rootstock a number of erect, unbranched stems, from 4 ft.
The rootstock is thick and aromatic, and was formerly much used in medicine as a tonic.
Hydrastis Canadensis), with a thick knotted rootstock and large rounded leaves.
The rootstock or decumbent stem by which a hydroid is attached to other objects.
Pardalianches) has a creeping rootstock and a hollow stem.
It may be easily distinguished from other species of its genus by the following description:--Rootstock creeping, with many suckers.
Its rootstock has small tubers, and the stem is winged.
We believe that the root system for the north, either heartnut or black, should be carefully selected for its growth habits before considering its use as material for rootstock in grafting or budding.
The rootstock of the bloodroot, used in medicine as an emetic, etc.
Acorus Calamus) having long flaglike leaves and a rootstock of a pungent aromatic taste.
Its slender naked rootstock produces each year a solid corm, filled with exceedingly glutinous matter, which sends up later a single large oval evergreen plaited leaf.
Its rootstock has an odor resembling that of violets.
The rootstock contains much starch, and has been used in stiffening linen.
Hydrastis Canadensis), with a thick knotted rootstock and large rounded leaves.
The hot and spicy rootstock of Zingiber officinale, which is much used in cookery and in medicine.
It has acrid emetic properties, and the rootstockis used as a stimulant expectorant.
In the drug trade the rootstock is usually found in pieces a few inches in length and about one-eighth of an inch in diameter.
Furthermore, the rootstock of Chamaelirium exhibits a number of small holes wherever these rootlets have broken off, giving it the appearance of having become "wormy.
From the lower part of the rootstock long, fleshy roots arc produced.
Collection, Prices and Uses--Both rootstock and roots are used and these should be collected in autumn, freed from dirt and carefully dried in the shade.
Aletris has a horizontal rootstock from one-half to 1 1/2 inches in length, rough and scaly, and almost completely hidden by the fibrous roots and remains of the basal leaves.
The rootstock shrinks considerably in drying, the outside turning dark brown and the inside orange-red or yellowish with numerous small red dots, and it breaks with a short, sharp fracture.
Description of Rootstock--Serpentaria has a short rootstockwith many thin, branching, fibrous roots.
Collection, Price and Uses--The rootstock and roots should be collected in the fall of the second year.
The creepingrootstock is surrounded by a bulb-like cluster of fleshy grains.
The rootstock cannot be used as a substitute for ginger, but smells and tastes very aromatic and pungent.
This has a fleshy, spreading rootstock and grows in shady spots, in rich, moist woods, at moderate altitudes, but is not very common.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "rootstock" in a variety of sentences. We hope that you will now be able to make sentences using this word. Other words: bulb; radix; root; source; tap; taproot; tubercle
