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Glossary: W is for ... warm watershed.
by Ariadne Unst
Glossary of W...
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- warm temperate climate
- No month below 6ºC. Usually:
forest on western and eastern margin.
in continental regions.
- See also climate.
- warm temperate zone (n.)
- The difference between the summers and winters is clear. Nights are cool.
Vegetation chiefly evergreen.
- watershed (n.)
- The area that supplies water to a river and its tributaries or to a lake.
Where the area is well vegetated, the ground cover slows the flow of rainwater
over the surface, allowing the water to sink into the ground without causing
- weed (n.)
- A religious designation, often for a native plant in a garden of alien
plants. A plant that thrives where humans do not want it. Often, it is a plant that
colonizes disturbed areas vigorously.
- whorl (n.)
- A circle of three or more structures radiating outward from the same node.
For example, pines, spruces, and firs produce a terminal stem called the
leader and a major whorl of lateral limbs at the base of the leader
each year. A node is the place on the stem of the tree where these
limbs in the whorl attach.
- wing (n.)
- A paper-thin flat margin that borders a seed capsule. Likewise, for such
an edge of a stem or flower.
- winter annual (n.)
- A plant whose seeds germinate in late summer and that flowers and fruits in
the following spring and summer (compare summer annual).
- wooly (n.)
- Having soft, short hairs.
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