circumscissile

American  

[sur-kuhm-sis-il] / ˌsɜr kəmˈsɪs ɪl /

adjective

Botany.

1. opening along a transverse circular line, as a seed vessel.

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circumscissile British  

/ ˌsɜːkəmˈsɪsaɪl /

adjective

1. (of the dry dehiscent fruits of certain plants) opening completely by a transverse split

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Etymology

Origin of circumscissile

First recorded in 1825–35; circum- + scissile

Example Sentences

Sporangium usually minute, broadly funnel-shaped, stipitate; operculum always more or less convex, rarely approaching a hemispherical shape, dehiscent in a regular circumscissile manner.

From The Myxomycetes of the Miami Valley, Ohio by Morgan, A. P. (Andrew Price)

Sporangia regular and stipitate, rarely sessile; the wall a thin membrane, minutely granulose, colored as the spores and capillitium, the upper part soon torn away in a somewhat circumscissile manner, and early disappearing.

From The Myxomycetes of the Miami Valley, Ohio by Morgan, A. P. (Andrew Price)

Utricle thin, circumscissile, the top falling away as a lid; flowers polygamous.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

Figure 58.—Amanita phalloides, volva circumscissile, concave bulb margined by definite short limb of volva; upper part of volva has disappeared from cap; cap whitish, tinged with brown.

From Studies of American Fungi. Mushrooms, Edible, Poisonous, etc. by Atkinson, George Francis

Key to the Species of Craterium A. Dehiscence circumscissile or by the breaking up of the upper wall of the sporangium.     a.

From The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species by MacBride, Thomas H. (Thomas Huston)