noun
definition
A tree or shrub with erect, parallel branches.
adjective
definition
Erect and parallel
example
The branches of this species are fastigiate.
definition
Having closely-bunched erect parallel branches
example
This is a fastigiate variety.
definition
Characterized by a fastigium, a cavity separating the intexine from the sexine near the endoaperture of a colporate pollen grain.
example
The grains are 3-colporate and fastigiate.
definition
Tapering to a point
Examples of fastigiate in a Sentence
The true balsam poplar, or tacamahac, P. balsamifera, abundant in most parts of Canada and the northern States, is a tree of rather large growth, often of somewhat fastigiate habit, with round shoots and oblong-ovate sharp-pointed leaves, the base never cordate, the petioles round, and the disk deep glossy green above but somewhat downy below.
The common or tall variety of C. sempervirens is known as C. fastigiate; the other variety, C. horizontalis, which is little planted in England, is distinguished by its horizontally spreading branches, and its likeness to the cedar.
Algae of more delicate texture than either Fucaceae or Laminariaceae also occur in the region exposed by the ebb of the tide, but these secure their exemption from desiccation either by retaining water in their meshes by capillary attraction, as in the case of Pilayella, or by growing among the tangles of the larger Fucaceae, as in the case of Polysiphonia fastigiate, or by growing in dense masses on rocks, as in the case of Laurencia pinnatifida.