perisperm

British  

/ ˈpɛrɪˌspɜːm /

noun

1. the nutritive tissue surrounding the embryo in certain seeds, and developing from the nucellus of the ovule

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Other Word Forms

• perispermal adjective

Example Sentences

Germination is often slower where there is a store of available food in the perisperm, or in the endosperm, or in the embryo itself, than where this is scanty or wanting.

From Project Gutenberg

The covering of the seed is marked i. n is the nucellus or perisperm, enclosing the embryo-sac es, in which the endosperm is formed.

From Project Gutenberg

G, section of an unripe seed. em. embryo. p, perisperm, × 2.

From Project Gutenberg

This perisperm covers an exalbuminous embryo formed almost entirely of two thick, greenish yellow cotyledons having a strong taste of legumine.

From Project Gutenberg

In the monocotyledonous plants there is no milky juice; but the perisperm of the palms, which yields such sweet and agreeable milky emulsions, contains, no doubt, caseum.

From Project Gutenberg