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Characteristics and economic importance of Liliaceae (Lily family)

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Characteristics and economic importance of Liliaceae (Lily family)

1. Diagnostic features Mostly perennial herbs, small shrubs or sometimes climbers. Stem usually modified into bulbs, corms or rhizomes. Leaves radical or cauline, alternate or whorled. Inflorescence racemose, borne on long leafless scape. Flower small, bracteates bisexual, actinomorphic, hypogynous, trimerous. Tepal-6 in two whorls. Stamens 6 in two whorls, polyandrous, epipetalous. Gynoecium tricarpellary, syncarpous, trilocular, … Read more

Characteristics and economic importance of Cruciferae (Brassicaceae)

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Characteristics and economic importance of Cruciferae (Brassicaceae)

1. Diagnostic features Herbaceous, exstipulate, alternate leaves. Inflorescence- typical racemose type. Flowers- ebracteate and bisexual, Calyx-4, freely arranged in two whorls, Corolla-4, cruciform, Stamens-6, tetradynamous. Gynoecium: bi-carpellary, syncarpous with parietal placentation. Fruit- siliqua or silicula. 2. Distribution Worldwide in distribution. But they abundantly grow in temperate and cold parts of the northern hemisphere. Many species … Read more

Characteristics and economic importance of family Papilionaceae (Leguminosae)

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1. Diagnostic features : Mostly herbs, rarely shrubs or trees, often climbing. Leaves alternate, stipulate, simple, or imparipinnately compound. Flowers bisexual, zygomorphic, corolla papilionaceous, aestivation descending- imbricate, posterior petals outermost, stamens 10 or 9, monadelphous or diadelphous, rarely free. Gynoecium monocarpellary, unilocular with marginal placentation. Fruit a legume or pod.  2. Distribution : Includes about 482 … Read more