Floral formula shows cohesion and adhesion within parts of whorls and between whorls.
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Solanaceae is widely distributed in tropics, subtropics, and even temperate zones.
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Many plants belonging to family Brassicaceae are good source of vegetables and food (commercially).
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Generally dicotyledonous plants have tap roots while monocotyledonous plants have fibrous roots.
(E) In banana, pineapple, Pistia and Chrysanthemum, the lateral branches originate from the basal and underground portion of the main stem, grow horizontally beneath the soil, and then come out obliquely upward given rise to leafy shoots.
(F) Photosynthesis is restricted to tendrils in Opuntia and peas. 3