Pyxidium vs Pygidium - What's the difference?
pyxidium | pygidium |
(botany) A seed capsule in the form of a box, the seeds being released when the top splits off.
* 1979 , Organization for Flora Neotropica, New York Botanical Garden, Flora Neotropica: Issue 21 , Part 1, p. 221:
* 1924 , Samuel James Record, Clayton Dissinger Mell, Timbers of Tropical America , p. 467:
* 1913 , Georges Victor Legros, Fabre: Poet of Science , p. 176:
* 1836 , Asa Gray, Elements of Botany , p. 221:
(zoology) The caudal plate of trilobites, crustacea]], and certain [[insect, insects.
As nouns the difference between pyxidium and pygidium
is that pyxidium is (botany) a seed capsule in the form of a box, the seeds being released when the top splits off while pygidium is (zoology) the caudal plate of trilobites, crustacea]], and certain [[insect|insects.pyxidium
English
Noun
(pyxidia)- Key to Species of Cariniana Inflorescence predominantly terminal and subterminal; pyxidium without teeth at line of opercular dehiscence.
- The pyxidium has the trigonoidly cylindrical or obconical form of that of Couratari, but it is much thicker, heavier, and more solid in substance.
- The capsule of gold?beater's skin, in which the grubs of the Cione are enclosed, divides itself, at the moment of liberation, into two hemispheres "of a regularity so perfect that they recall exactly the bursting of the pyxidium when the seed is distributed".
- A fruit of this kind is sometimes termed a pyxidium ; that is, a little chest.