from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Botany Having erect and almost parallel branches tapering toward the top, as in the Lombardy poplar.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Erect and parallel
- adj. Having closely-bunched erect parallel branches
- adj. Characterized by a fastigium, a cavity separating the intexine from the sexine near the endoaperture of a colporate pollen grain.
- adj. Tapering to a point
- n. A tree or shrub with erect, parallel branches.
from the GNU version of the Collaborative International Dictionary of English
- adj. Narrowing towards the top.
- adj. Clustered, parallel, and upright, as the branches of the Lombardy poplar; pointed.
- adj. United into a conical bundle, or into a bundle with an enlarged head, like a sheaf of wheat.
from The Century Dictionary and Cyclopedia
- Pointed; rising up to a point; narrowed to the top, as a sloping roof; sloping upward to a summit, point, or edge.
- Specifically—2. In botany, having the branches parallel and erect, as in the Lombardy poplar.
- 3. In zoology, tapering regularly to a more or less acute apex.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. having clusters of erect branches (often appearing to form a single column)
The opposite change occurs in what are termed fastigiate varieties, where the branches, in place of assuming more or less of a horizontal direction, become erect and nearly parallel with the main stem as in the
More recently interest has centred on the fastigiate form (ssp. cupressiformis).
= -- The leaves partake more or less of the altered direction of the axis, as in fastigiate elms, but this is not universally the case, for though the stem is bent downwards the leaves may be placed in the opposite direction; thus in some specimens of
-- In this variety the branches are more ascending and the habit altogether more erect; indeed, among the hornbeams this is a counterpart of the fastigiate varieties of the common oak.
They are ordinarily called pyramidal or fastigiate forms, and as far as their history goes, they arise suddenly in large sowings of the normal species.
Both weeping and fastigiate characters are therefore to be regarded as steps in a negative direction, and it is highly important that even such marked departures occur without transitions or intermediate forms.
The fastigiate trees and shrubs are a counterpart of the weeping forms.
It is often called the pyramidal or fastigiate poplar.
_Taxus_ has a fastigiate form which is much valued because of its ascending branches and pyramidal habit.
Among trees the pendulous or weeping, and the broomlike or fastigiate forms are very marked varieties, which occur in species belonging to quite different orders.