Notes on Angiosperm Morphology and Taxonomy microbiologystudy

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Some of them
have xylem vessels in their wood

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Scutellum in
Monocots: Scaly haustorial embryonic leaf

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Gynostegium relates to Fusion of
stamens with gynoecium

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In Wheat and rice : Pericarp is
fused with seed coat

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Leaf of Tamarindus indica is
Paripinnate

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In Smilax tendrils are Modified stipules

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Cladode -Asparagus

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Phylloclade – Opuntia

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Leaf tendril -Gloriosa

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 Stem tendril – Passiflora

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Stem tuber- potato

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Angiosperm: Heterosporous, Male
gametes are non motille

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Protandrous:  Androecium matures first

Plant Taxonomy Short Notes

Family

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Apocarpous pistil -Artabotrys
odoratissimus

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Petals are absent in Saraca Asoca

·   Chenopodiaceae, Portulacaceae, Aizoaceae,
Cactaceae, Nyctaginaceae, Phytolaccaceae, Stegnospermaceae, Basellaceae,
Amaranthaceae and Didieraceae,
which have been placed under a single, order Centrospermae based on the
chemotaxonomic marker Betalins. 

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Solanaceae: Carpels 2, syncarpous in an obliquely placed superior ovary
indicate

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Family having the ability to produce cyanogenic
glycosides as a chemotaxonomic marker character:  Rosaceae , Leguminosae, Poaceae

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Trees with resin; coracious leaves;
flower actionomorphic, hermaphrodite, sepals 5, polysepalous, persistent;
petals 5, polypetalous; stamens many in one to several whorls, slightly
polyandrous, carpels 3, syncarpous, superior; Fruit samara with persistent
sepals :  Dipetrocarpaceae

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Gigantic trees with an abundant resin;
coracious leaves; flower actionomorphic, hermaphrodite, hypogynous; sepals 5,
polysepalous, persistent; petals 5, polypetalous; stamens many in one to
several whorls, slightly polyandrous, carpels 3, syncarpous, superior; Fruit
samara enclosed in persistent sepals: Dipetrocarpaceae

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Verbanaceae: Gynoecium is bicarpellary, superior,
Ovary-2-4-celled, placentation axile, ovule 1 or 2 in each loculus,
Style-Simple, terminal, rarely gynobasic

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Polygalaceae: Flowers are irregular and bisexual, 5 sepals
but usually 3 green outer sepals and 2 petallike inner sepals. United petals,
usually fused with the stamens, and the lower petal is often fringed. There are
8 stamens, fused to the petals. The ovary is positioned superior. It consists
of 2 united carpels with the partition walls present, forming an equal number
of chambers. It matures as a capsule, nut, or drupe

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Actinomorphic, pentamerous, hypogynous
flowers with monadelphous stamen are characterstic features of Malvaceae

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The family/families possess(es)
accessory vascular bundles in the pith – medullary bundles, and in the cortex-
cortical bundles either in rings or irregularly: Amaranthaceae and Nyctaginaceae

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Labellum in
Orchidaceae comes to anterior side by the
twisting of the ovary through 180⁰. This process is called Resupination