The corollas are delicate lilac, blending into white toward the center, while the throat has five purple spots within, which give way to bright gold below.
They are very puzzling, and the part that baffles the young botanist is the calyx, which, as it sometimes has two or three corollas within it, cannot be considered a calyx at all, but must be called an involucre.
Flowers with strap-shaped corollas are called ray flowers or rays.
There the perfect azure corollas were an inch and a half across, with the large white circle in the center well defined.
It has oblong, pointed leaves, and small greenish-white flowers, only two lines long, whose close cylindrical corollas hardly surpass the calyx.
Instead of this, all flowers displayed corollas of a deep brown.
Thus in the lapse of some thirty years the length had been doubled and the breadth tripled, giving flowers with broad corollas and with petals [762] joined all around, resembling the best types of lilies and Amaryllis.
On the Liba bloomed wide verdurous plains, consisting of plants with dazzling corollas and gramineae of tall stature.
In rocky localities the great yellow gentian unfolds its long spikes of golden flowers, in company with the elegant martagon, whose yellow-spotted red corollas are rolled up turban-wise.
The corollasare bell-shaped and deeply cut, nearly to the base, into broad spreading segments.
In this plant, the corollas of the flowers appear each to consist of a single petal, forming an egg-shaped tube (see b in fig.
In some, the corollas are bell-shaped, spreading out at the tip into five teeth, which inclose the stamens, as shown in fig.
That afternoon all the corollas discolored, and no hummers came near.
The little pale yellow flowers, also growing in pairs on a footstalk from the leaf axils, have their tubular corollas strongly cleft into two lips.
It may be stated shortly, that non-tubular corollas, with the honey freely exposed—for it must be assumed the ancestral form was of this kind—gradually developed into corollas with the honey deeply concealed.
Irregular flowers (253) and especially irregularcorollas are usually adaptations to insect-visitation.
The corollas are dull white, the lower lip dotted with purple or yellow, and the whole effect of the cluster is feathery, very slender, and pale in color.
They are each about half an inch long, with hairy calyxes, and the corollas are prettily tinged with lilac or pink, but are too pale in color, though the general effect of the plant is rather striking.
The corollas are about three-quarters of an inch long and vary in color, being sometimes all white.
The flowers are an inch and a half long, with crimson corollas of various fine shades, which project from the crowded whorls of broad, bronze or purplish bracts, arranged in tiers along the stem.
The corollas are blue, with purple or white centers.
The corollas are an inch long, and vary from deep bright blue through all shades of violet to deep pink, with two white ridges in the throat, and with two white anthers visible and two purple ones hidden in the throat.
These calceolate (calceolus, a slipper) corollas may be looked upon as consisting of two slipper-like lips.
I observed, to my surprise, that when I pulled off the flower-buds round the flowers which I wished to mark with a thread, the slight jar invariably caused the corollas to fall off.
Village children notice this difference, as they can best make necklaces by threading and slipping the corollas of the long-styled flowers into one another.
We see this well-illustrated in Hydrangea and Viburnum; for when these plants are cultivated, the corollas of both the interior and exterior flowers become largely developed, and their reproductive organs are aborted.
It seems therefore probable that the decreased size of the female corollas in the foregoing cases is due to a tendency to abortion spreading from the stamens to the petals.
In connection with biting holes in corollas I may quote an observation communicated to me by a correspondent, Sir J.
The general name of polypetalous is given to corollas having separate petals, while monopetalous, gamopetalous or sympetalous is applied to those in which the petals are united.
Regular gamopetalous corollasare sometimes campanulate or bell-shaped, as in (Campanula) (fig.
In some corollas the two lips become hollowed out in a remarkable manner, as in calceolaria, assuming a slipper-like appearance, similar to what occurs in the labellum of some orchids, as Cypripedium.
Of irregular gamopetalous corollas there may be mentioned the labiate or lipped (fig.
Amongst regular polypetalouscorollas may be noticed the rosaceous corolla (fig.
Of irregular polypetalouscorollas the most marked is the papilionaceous (fig.
The Mallows, or Lavateras, like demure misses, feel the tenderest blushes of fugitive modesty mount to their corollas at the slightest breath.
Still more beautiful were the wild roses, blooming in wonderful luxuriance along the woodland paths, withcorollas two and three inches wide.
Anderson likewise states that when he removed the corollas of the Calceolaria, bees never visited the flowers.
This gives us a hint as to one use of the corollas which spreads out such broad, brightly-colored, conspicuous petals.
The English name was given to this little plant probably because its brilliant corollas appear to reflect the sun's rays, although some authorities state that it is so called from the glossiness of the seeds.
I could see that it was a sanctuary of rare plants, and the broad leaves and bright corollas of some of the taller ones appeared over the edge of the parapet.
Other familiar examples of these irregular corollas are the garden snapdragon, Oswego tea, skullcap, pentstemon, and many others.
It is, of course, the petals or corollas of flowering plants that give our landscapes their greatest beauty, their most gorgeous coloring.
Duchartre describes some orange blossoms as presenting alternating series of stamens and pistils one above another, while the calyces and corollas belonging to each series of stamens and pistils were entirely suppressed.
The styles of its radial florets become elongated without any other alteration; at the same time the small corollas become green, and show a tendency to assume a foliaceous condition.
I owe to Mr. Berkeley the communication of a capitulum of a species of Bidens, in which there was a transition from the form of ligulate corollas to those that were deeply divided into three, four, or five oblong lobes.
The corollasin these flowers are not merely duplicated, but from their inner surface spring, in some cases, funnel-shaped or tubular petals (p.
The passage of ligulate to tubular corollas among Compositæ is not of such common occurrence as is the converse change.
When the seed-eggs have been fertilized the corollas drop off, so that in the flowering season (September and October) the ground beneath will usually be found strewn with them.
Why are the seeds of plants usually formed within the corollas of flowers?
The writer knows where there is a patch of the hound's tongue (Echinospermum) with a good sprinkling of plants producing white corollas instead of the normal deep maroon.
If the tint does not appear distinct, infusions of the corollas in alcohol will present tones unmistakably yellow or red, etc.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "corollas" in a variety of sentences. We hope that you will now be able to make sentences using this word.
