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You are looking at 11-20 of 9,435 items for:

Plant Sciences and Forestry x Plant Physiology x clear all

abscisin II

Edited by Michael Allaby.

in A Dictionary of Plant Sciences

March 2019; p ublished online March 2019 .

Reference Entry. Subjects: Plant Sciences and Forestry; Plant Physiology. 5 words.

abscission

Edited by Michael Allaby.

in A Dictionary of Plant Sciences

March 2019; p ublished online March 2019 .

Reference Entry. Subjects: Plant Sciences and Forestry; Plant Physiology. 61 words.

The rejection of plant organs, e.g. of leaves in autumn. This occurs at an abscission zone, where *hydrolytic *...

absent rings

Edited by Michael Allaby.

in A Dictionary of Plant Sciences

March 2019; p ublished online March 2019 .

Reference Entry. Subjects: Plant Sciences and Forestry; Plant Physiology. 5 words.

absolute pollen frequency

Edited by Michael Allaby.

in A Dictionary of Plant Sciences

March 2019; p ublished online March 2019 .

Reference Entry. Subjects: Plant Sciences and Forestry; Plant Physiology. 113 words.

The expression of *pollen data from sediments in terms of the absolute numbers (for each species, genus, or family) per unit area of surface and, where deposition rates are known, per unit...

absorption

Edited by Michael Allaby.

in A Dictionary of Plant Sciences

March 2019; p ublished online March 2019 .

Reference Entry. Subjects: Plant Sciences and Forestry; Plant Physiology. 15 words.

The uptake of substances, usually nutrients, water, or light, by cells or *tissues.

absorption spectrum

Edited by Michael Allaby.

in A Dictionary of Plant Sciences

March 2019; p ublished online March 2019 .

Reference Entry. Subjects: Plant Sciences and Forestry; Plant Physiology. 32 words.

A graph that shows the percentage of each wavelength of light absorbed by a pigment (e.g. *chlorophyll, which absorbs mainly in the red and blue parts of the spectrum)....

abstriction

Edited by Michael Allaby.

in A Dictionary of Plant Sciences

March 2019; p ublished online March 2019 .

Reference Entry. Subjects: Plant Sciences and Forestry; Plant Physiology. 20 words.

The detachment and release of a *spore by the constriction of the tissue by which it is attached.

Abutilon

Edited by Michael Allaby.

in A Dictionary of Plant Sciences

March 2019; p ublished online March 2019 .

Reference Entry. Subjects: Plant Sciences and Forestry; Plant Physiology. 59 words.

A genus of trees and shrubs, native to tropical and warm temperate climates, whose members have hairy leaves and branches, and bright, lantern-like flowers, mainly orange or red. The fruit...

Acacia

Edited by Michael Allaby.

in A Dictionary of Plant Sciences

March 2019; p ublished online March 2019 .

Reference Entry. Subjects: Plant Sciences and Forestry; Plant Physiology. 172 words.

A genus of plants, most of which are trees (wattles) or *shrubs, although a few are climbers. Typically the leaves are ...

Acaciella

Edited by Michael Allaby.

in A Dictionary of Plant Sciences

March 2019; p ublished online March 2019 .

Reference Entry. Subjects: Plant Sciences and Forestry; Plant Physiology. 3 words.