False col SEM of ovary of Opium poppy

False col SEM of ovary of Opium poppy

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Caption: False-colour scanning electrom micrograph (SEM) of the ovary of the opium poppy, Papaver somniferum, showing an ovule (egg) attached by a stalk or funicle to the capsule wall. Each ovule consists of a central mass of material called the nucellus, within which is lodged the embryo sac containing a large egg cell. The nucellus is surrounded by two layers of tissue, the integuments (skin, seen here), except for a small passageway called the micropyle, through which the male gamete gains access to the egg cell. If fertilized, each ovule becomes a seed, the integuments becoming the outer seed coat, the whole capable of germinating into a new plant. Magnification: X35 at 35mm size. Coloured pink. Original is BW print B765/006.

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Keywords: botany, flower, flowering part, funicle, nature, opium poppy, ovary, ovule, papaver somniferum, parts, plant, plants, poppy

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