Peduncles Sentence Examples
As has been already stated, the compound eyes are often set on movable peduncles.
The mesarch structure of the leaf-bundles is met with in a less pronounced form in the flower peduncles of some cycads.
Palaeozoic genera, has not entirely disappeared from the stems of modern cycads; but the mesarch bundle is now confined to the leaves and peduncles.
Bracts are occasionally persistent, remaining long attached to the base of the peduncles, but more usually they are deciduous, falling off early by an articulation.
The primary axis of the inflorescence is sometimes called the rachis; its branches, whether terminal or lateral, which form the stalks supporting flowers or clusters of flowers, are peduncles, and if small branches are given off by it, they are called pedicels.Advertisement
The floral axis sometimes appears as if formed by several peduncles united together, constituting a fasciated axis, as in the cockscomb, in which the flowers form a peculiar crest at the apex of the flattened peduncles.
The adhesion of the peduncles to the stem accounts for the extraaxillary position of flowers, as in many Solanaceae.
Usually, however, the floral axis, arising from a more or less altered leaf or bract, instead of ending in a solitary flower, is prolonged, and bears numerous bracteoles, from which smaller peduncles are produced, and those again in their turn may be branched in a similar way.
The nature of the fructification of Sigillaria was first satisfactorily determined in 1884 by Zeiller, who found the characteristic Sigillarian leaf-scars on the peduncles of certain large strobili (Sigillariostrobus).
The swollen peduncles of the fruit are edible fresh, in drinks or ices.Advertisement
These flowers hang upside down on the end of long peduncles, so the anthers are symmetrical.
The flowers are on erect peduncles, which are as thick as a goose-quill and from 6 to 9 inches long; the flower-heads are a little over 2 inches across; remaining fresh on the plant for about six weeks.
Skin tags are growths that feature peduncles, or stalks.
In the development of the Phyllopod Branchipus, the eyes are at first sessile, and the lateral lobes of the head on which they are set grow out and become movably articulated, forming the peduncles.
In these cases the peduncles may persist and may even be modified into spinous organs of defence.Advertisement