Browsing: P

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Pruning

The art of cutting off parts of a plant to encourage more of the sort of growth the gardener desires,…

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Pinch out

The operation of removing the tip of a growing shoot, usually with the fingers, to encourage lateral shoots to grow…

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Pure Food and Drug Act of 1906

Consumer protection law designed to ban foreign and interstate traffic in adulterated or mislabeled food and drug products that included…

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Pinnatisect leaf

A leaf± deeply cut into pinnately-arranged lobes, cut almost to its midrib.

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Pinnatifid leaf

A leaf± deeply cut into pinnately-arranged lobes, but not cut right to its midrib, the lobes remaining connected by at…

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Pinnate veins

With secondary veins along each side of the midrib, running parallel towards the leaf margin, like teeth of a comb,…

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Pinnate leaf

A compound leaf with the separate leaflets arranged along central axis in a feather-like arrangement. The leaf-stalk, usually in opposite…

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