Morphology of Flowering Plants

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Economic Importance:

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Food: E.g. Tomato, brinjal, potato

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Spice: E.g. Chilli (AIPMT 2011)

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Medicine: E.g. Belladonna, ashwagandha.

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Fumigatory: E.g. Tobacco. (AIPMT 2009)

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Ornamentals: E.g. Petunia. (NEET 2015)

3. LÏLÏÅÇËÅË (LÏLÝ FÅMÏLÝ)

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A characteristic representative of monocotyledonous plants. It is

distributed worldwide.

VËGËTÅTÏVË ÇHÅRÅÇTËRS

(b)

(a)

Allium cepa (onion) plant : (a) Plant (b) Floral diagram

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Perennial herbs with underground bulbs/corms/ rhizomes

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Leaves mostly basal, alternate, linear, exstipulate with parallel venation

FLØRÅL ÇHÅRÅÇTËRS

Inflorescence: solitary / cymose; often umbellate clusters

Androecium: stamen six, (3+3), epipetalous.

Flower: bisexual; actinomorphic

Perianth: tepal six (3+3), often united into tube; valvate aestivation

Gynoecium: tricarpellary, syncarpous, ovary superior, trilocular with many ovules;

axile placentation.

Fruit: capsule, rarely berry.