ascidium

American  

[uh-sid-ee-uhm] / əˈsɪd i əm /

noun

Botany, Mycology.

• ascidia
  plural

1. a baglike or pitcherlike part.

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ascidium British  

/ əˈsɪdɪəm /

noun

1. part of a plant that is shaped like a pitcher, such as the modified leaf of the pitcher plant

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Other Word Forms

Noun Inflected Forms

• ascidia
  plural

Etymology

Origin of ascidium

1760–70; < New Latin < Greek askídion a small bag, equivalent to ask ( ós ) bag + -idion -idium

Example Sentences

See Examples For:

ascidium ascidia

Though it is of course conceded that the ascidium of Nepenthes has many secondary devices which are lacking in Croton, it seems hardly allowable to deny the possibility of an analogous origin for both.

From Species and Varieties, Their Origin by Mutation by Hugo de Vries

The base of this apical limb exhibits two connate lobes, forming together a wide cup or ascidium.

From Species and Varieties, Their Origin by Mutation by Hugo de Vries

I have alluded to these cases more than once, but on this occasion a closer inspection of the structure of the ascidium is required.

From Species and Varieties, Their Origin by Mutation by Hugo de Vries

This tube must bear at its summit the conical ascidium produced by the two connate limbs.

From Species and Varieties, Their Origin by Mutation by Hugo de Vries

Interrupted leaves, with an ascidium on a naked prolongation of the midvein, are by no means limited to the Croton varieties.

From Species and Varieties, Their Origin by Mutation by Hugo de Vries

It is probable that both these forms have varieties with, and others without, ascidia.

From Species and Varieties, Their Origin by Mutation by Hugo de Vries

Proofs are afforded on one side by incomplete ascidia, and on the other by the double cups.

From Species and Varieties, Their Origin by Mutation by Hugo de Vries

In other instances the peltate leaves become more or less hollow, constituting broad ascidia as in the case of the crassulaceous genus Umbilicus.

From Species and Varieties, Their Origin by Mutation by Hugo de Vries

The whole of the anterior or respiratory section of the gut is converted into a gill-crate, which is pierced trellis-wise by numbers of branchial-holes, as in the ascidia.

From The Evolution of Man — Volume 2 by Ernst Heinrich Philipp August Haeckel

We may have to except the ascidia, but they paid for their success by the loss of nearly all their vertebrate characteristics.

From The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 by John Mason Tyler