Structure and development of fruit wall ornamentations inPergularia daemia (Forsk.) Chiov (Asclepiadaceae)

Kuriachen, P. M.; Dave, Yash

doi:10.1007/bf03053413

Cited by 6 publications

References 7 publications

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Comparative anatomical characters of Periplocaceae follicles and their taxonomic significance

Dave

Kuriachen

1991

Feddes Repertorium

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The fruits of Cryptolepis buchanani and Hemidesmus indicus are follicles. The fruit wall or the pericarp is distinguished into epicarp, mesocarp and endocarp. Epicarp is multilayered in both the fruits, composed of an epidermal layer and a collenchymatous zone of hypodermis. In H. indicus the collenchymatous zone is filled with tanniniferous contents. The mesocarp is parenchymatous. Vascular bundles are found overarched by cellulosic fibre bundles. Laticifers present in the mesocarp are non‐articulated. The lignified fibrous endocarp of Cryptolepis is thicker and harder than that of Hemidesmus. The follicles dehisce marginicidally. The pericarp anatomy of these two genera are compared with that of Cryptostegia grandiflora and a taxonomic key is also added to delineate these three genera.

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Comparative anatomical characters of Periplocaceae follicles and their taxonomic significance

Dave

Kuriachen

1991

Feddes Repertorium

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Structure, dehiscence and histochemistry of Pergularia daemia follicles With 28 Figures

1993

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The gynoecium of Pergularia has bicarpellary, subapocarpous, superior ovary with ovules on marginal placenta. Ovary wall that transforms into fruit wall, can be differentiated histologically into epicarp, mesocarp and endocarp. The single layered epicarp is interrupted by stomata, trichomes and spines. Mesocarp consists of three zones: outer, middle and inner. Air chamber develops in the pericarp due to the disintegration of middle mesocarpic cells of the mature fruit. Endocarp is two layered and fibrous appearing in surface view as parquetry pattern. Dehiscence of the follicle is marginicidal. The major metabolites like starch, protein, lipid and the enzymes peroxidase, cytochrome oxidase and acid phosphotase are localized in the pericarp tissue.

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Comparative anatomical characters of Periplocaceae follicles and their taxonomic significance

Dave¹,

Kuriachen²

1991

Feddes Repert

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Structure and development of fruit wall ornamentations inPergularia daemia (Forsk.) Chiov (Asclepiadaceae)

Cited by 6 publications

References 7 publications

Comparative anatomical characters of Periplocaceae follicles and their taxonomic significance

Comparative anatomical characters of Periplocaceae follicles and their taxonomic significance

Structure, dehiscence and histochemistry of Pergularia daemia follicles With 28 Figures

Comparative anatomical characters of Periplocaceae follicles and their taxonomic significance

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