WSU CAHNRS and WSU Extension

Hortsense

Glossary


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All Glossary

TermDefinition
palmatedigitate, radiating, fan-like from a common point, as leaflets of a palmately compound lf. or veins or palmately-veined lf.
paniclean indeterminate infl. whose primary axis bears branches of pedicelled fls. (at least basally so); a branching raceme.
parasitesany organisms that live in or on, or at the expense of another; organisms living in such a way as to derive all nourishment from the tissues of the host.
parasiticreferring to any organism that lives in or on, or at the expense of another; referring to an organism living in such a way as to derive all nourishment from the tissues of the host.
perennialhaving a life cycle of three or more years.
petiolea stem or stalk; the slender segment between the thorax and abdomen in certain Diptera and many Hymenoptera; in the latter, a pedicel formed of only one segment, or the first segment of a two-segmented pedicel in ants; in plants, the slender stalk of a leaf.
pheromonechemical emitted to air currents by an insect to stimulate behavior of other members of species (e.g., mating pheromone).
photosensitiveresponsive (sensitive) to light.
physiologicalresulting from some unfavorable physical or environmental factor (e.g., light, temperature, water, soil nutrients, chemical, physical, or mechanical injury).
predaciousany animal that eats others; living by preying upon other organisms, as certain insects.
predatorsany animal that eats others; living by preying upon other organisms, as certain insects.
predatoryany animal that eats others; living by preying upon other organisms, as certain insects.
prostratelying flat on the ground; a general term.
pupathe resting inactive instar in all holometabolous insects; the intermediate stage between the larva and the adult; applied to all insect orders with complete metamorphosis.
pupaethe resting inactive instar in all holometabolous insects; the intermediate stage between the larva and the adult; applied to all insect orders with complete metamorphosis.
pupatethe resting inactive instar in all holometabolous insects; the intermediate stage between the larva and the adult; applied to all insect orders with complete metamorphosis.