Key to Flowering Families

Families Key to Flowering Families 1. Leaf Venation ____ Parallel …………………………………………………Monocots A. Ovary Superior: i. Monocarpellary, Styles two and Stigmas feathery …………………………………………………Poaceae. ii. Tricarpellary a. Leaves large, fan-like or pinnately compound Stigmas not feathery …………………………………………………Palmae. b. Leaves long narrow, Perianth colored or white …………………………………………………Liliaceae B. Ovary Inferior: i. Stamens with colored (non-green) filaments Anthers monothecous …………………………………………………Canaceae ii. Stamens not Colored ...

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Morphology of Fruit

Morphology of Fruit The simulation of fertilization causes series of changes, not in the ovule but also in the wall of ovary. As a result, into these changes, the ovule developed into seeds while the ovary form the fruit. The fruit may be defined as ripened ovary containing seeds. The wall of the fruit is known as pericarp. True Fruit: ...

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Morphology Of The Flower

Morphology Of The Flower Flower is highly modified reproductive shoot. A typical flower consists of four distinct circles of whorls of floral leaves, the calyx, corolla, androecium and gynoecium, arranged on the thalamus. The calyx comprises of usually green floral leaves, the sepals and forms the outermost protective whorl. The corolla comprises of variously coloured floral leaves, the petals presents ...

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Inflorescence

Inflorescence  The arrangement of flowers on floral axis or peduncle resulting in formation of groups is called inflorescence. An inflorescence may be; simple, compound or of special types according to the mode of branching. Simple Inflorescence A simple inflorescence maybe racemose or cymose according to the mode of branching. Racemose Inflorescence: In this type of inflorescence, the main axis continues ...

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SECONDARY GROWTH OF STEM

 SECONDARY GROWTH IN STEM  SECONDARY GROWTH IN STEM The  stem increases in thickness In secondary growth. Secondary growth increases the  vascular tissues.  Therefore, it increases the thickness of flue stein. Secondary growth is common in gymnosperms and  woody dicots. But it is generally absent in most of the herbaceous dicots and monocots. Seeondary growth includes the formation or secondary issues ...

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PTEROPSIDA THE WATER FERNS

PTEROPSIDA THE WATER FERNS Occurrence Marsilea is an aquatic or semi aquatic plant. It is common in the temperate regions. It groNA in fresh water ponds and ditches in Punjab. Marsilea quadrifolia and Munilea minuta are commonly found in Pakistan. General structure The vegetative plant is a sporophyte. It is differentiated into roots, rhizome and leaves. 1.  Rhizome: The stem ...

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FERNS-PTEROPSIDA STUDY

FERNS-PTEROPSIDA STUDY Occurrence Polypodium is a perennial herb. It is found mostly in temperate regions. It has worldwide distribution. Mostly is attached to some rocks. But some forms are epiphytic. General structure The plant body is sporophyte. Plant body is divided into rhizome. leaves and roots. 1.  Rhizome: It forms the main stem of the plant. Rhizome is rounded, underground. ...

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STUDY OF PLANT SEED-SEED HABIT

STUDY OF PLANT SEED-SEED HABIT SEED HABIT A seed consists of an embryo, stored food and a seed coat. The seed habit is the most complex and evolutionary successful method of sexual reproduction. It is found in vascular pIants. Today, seed plants, gymnosperms and angiosperms flowering plants are the most diverse lineage within the vascular plants. Most of this diversity ...

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Morphology of Plants Leaf

Morphology of Plants  Leaf Leaf is principal appendage of the stem or on branches of a plant. They arise from nodes and bear lateral buds in their axils. A leaf is a chief photosynthetic organ of a plant. They are developed in acropetal succession and are exogenous in origin. Leaf Morphology: Each leaf consists of a green, flattened portion, the ...

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Gymnosperms Study

Occurrence Gymnosperms are naked seeded plants. Gynmosperms are a group of ancient plants. They become dominant in the Jurassic period Most of the gymnosperms are evergreen trees. Some shrubby pl..flas are also found in this group. They have worldwide distribution. They are most abundant in the temperate region. The fossils of gymnosperms are found near coal and oil deposits. Life ...

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