idioblast

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idioblast

[′īd·ē·ō‚blast]

(botany)

A plant cell that differs markedly in shape or function from neighboring cells within the same tissue.

(geology)

A mineral constituent of a metamorphic rock formed by recrystallization which is bounded by its own crystal faces.

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References in periodicals archive ?

In relation to idioblasts containing crystals in the petiole, greater amount was detected in the dry season and in shade leaves in both seasons (Table 2).

Ecological anatomy of Eugenia luschnathiana (O.Berg) Klotzsch ex B.D.Jacks. (Myrtaceae) leaves in the Restinga region, state of Ceara/Anatomia ecologica foliar da Eugenia luschnathiana (O.Berg) Klotzsch ex B.D.Jacks. (Myrtaceae) na Restinga cearense

Idioblasts with conspicuous wall thickening, starry-shaped in TS (Fig.

Adaptaciones estructurales de dos orquideas epifitas simpatricas (Orchidaceae) en un bosque nuboso de un campo rupestre del sureste de Brasil

Idioblasts with raphides in the storage parenchyma and chlorenchyma.

Leaf anatomy of the Mexican species of Greigia (Bromeliaceae)

Mesophyl presented very abundant crystalliferous idioblasts, containing calcium-oxalate microcrystals.

Morphoanatomical studies of Uncaria tomentosa and Uncaria guianensis bark and leaves

Tannin idioblasts may be found scattered throughout the axial parenchyma and the rays.

Living Cells in Wood 3. Overview; Functional Anatomy of the Parenchyma Network

Idioblasts with crystals and oil are frequent in the mesophyll (Figure 2C).

Leaf anatomy of Cordiera sessilis (Veil.) Kuntze (Rubiaceae)/ Anatomia foliar de Cordiera sessilis (Vell.) Kuntze (Rubiaceae)

The following types of secretory structures have already been recorded in the family: trichomes, idioblasts, laticifers, coletters, nectaries, secretory cells with resinous contents, tannin cells, and mucilage lacunae (Solereder 1908; Metcalfe and Chalk 1950; Thomas 1991).

Floral morphology and anatomy of Dalechampia alata Klotzsch ex Baill

goyazana from other species of the genus based on the stomata; mesophyll; sclerenchyma sheaths shared by mid-vein vascular bundles; the occurrence of idioblasts and raphides; and the presence of starch and tannin in the leaf blade.