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A Flower in L. S. Showing Position of Different Whorls On Thalamus

This document provides diagrams and descriptions of plant anatomy terms related to flowers and inflorescences. It includes terms for parts and positions of flowers such as the androphore, gynophore, androgynophore, carpophore, symmetry, and insertion on the thalamus. It also covers terms for bracts, sepals, forms of calyxes and corollas, aestivation, stamens, gynoeciums, placentation, inflorescences, and how to prepare a floral diagram.

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Dr Awanish
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253 views30 pages

A Flower in L. S. Showing Position of Different Whorls On Thalamus

This document provides diagrams and descriptions of plant anatomy terms related to flowers and inflorescences. It includes terms for parts and positions of flowers such as the androphore, gynophore, androgynophore, carpophore, symmetry, and insertion on the thalamus. It also covers terms for bracts, sepals, forms of calyxes and corollas, aestivation, stamens, gynoeciums, placentation, inflorescences, and how to prepare a floral diagram.

Uploaded by

Dr Awanish
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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A flower in L. S. showing position of different whorls on thalamus.

A. Androphore of passion flower; B. Gynophore of Capparis; C. Androgynophore of Gynandropsis


pentaphylla; D. Carpophore of fruit of foeniculum; E. Rose showing monstrous development of thalamus.
Symmetry of flower A. Actinomorphic B. Zygomorphic.
Insertion of floral parts on thalamus, A. Hypogynous (China rose), B.
Perigynous
A. Petaloid bract of Bougainvillea, b. Petaloid bract of Poinsettia (Euphorbia), c. L.S.
of inflorescence of B showing many male flowers and one female flower.
A. Spathy bract on a spadix of Colocasia, B. Multiple spathy bracts covering a maize comb,
C. Involucre of brats surrounding a capitulum of Compositae, D. Involucre and involucels
of Daucus carota.
A. Scaly bract of Sunflower (Disc florets), B. Epicalyx of Strawberry, C. Spikelet of Gramineae
(Glumes, Lemma, Palea).
Caducous sepals f Poppy.
Different forms of Calyx A. Mussaenda-one sepal modified into a leaf like
structure, B. Pappus in Mikania, C. Tropa bispinosa-spinous calyx, D. Impatiens-
Spurred calyx, E. Aconitum-hooded calyx.
Different forms of corolla A. Cruciform, B. Caryophyllaceous, C. Rosaceous, D.
Campanulate (Bell shaped), E. Tubular, F. Infundibuliform (Funnel shaped), G. Rotate, H.
Bilabiate, I. Personate, J. Ligulate, K. Papilionaceous, L. Different parts of a
papilionaceous corolla separated, M. Papilionaceous aestivation.
Different types of aestivation of Calyx and Corolla A. Valvate, B. Twisted, C.
Imbricate, D. Quincuncial, E, Vexillary
Stamens showing parts, A. Ventral view, B Dorsal view, C. Enlarged with T.S.
Attachment of anther to filament, A. Adnate, B. Basifixed, C. dorsifixed, D.
Versatle
Cohesion of stamens A. Monadelphous, B. diadelphous, C. Polyadelphous, D. Synandrous, E.
Syngenesious.
Length of stamens, A. Didynamous, B. Tetradynamous.
Syncarpous gynoecium (Pistill) showing different parts.
T.S. of Gynoecium showing number of locules, A. Unilocular, B. Bilocular,
C. Trilocular, D. Tetralocular, E. Pentalocular.
Different types of placentations A. Marginal (L.S.) and (T.S.), B. Parietal, C.
Axile, D. free central, E. Basal, F. Superficial.
Flower showing the mother axis
Signs used in preparation of Floral diagram.
A. L.S. of flower, B. Floral diagram.
Inflorescence

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