When the pinnate leaf of a Mimosa pudica, the so-called sensitive plant, is pinched or struck, the leaf droops rapidly and the leaflets become approximated together, so that their upper surfaces are in contact.
These occur on the tips of tendrils and on the tentacles of Drosera; (2) sensitive papillae found on the irritable filaments of certain stamens; and (3) sensitive hairs or bristles on the leaves of Dionaea muscipula and Mimosa pudicaall of which are so constructed that any pressure exerted on them at once reacts on the protoplasm.
The prevalent bush plants are khansa (umbrella mimosa), acacias, aloes, and, especially, Boswellia and Commiphora, which yield highly fragrant resins and balsams, such as myrrh, frankincense (olibanum) and " balm of Gilead."
The banks are usually low, in part forested and inundated at high water, but away from the river the country appears to consist of dry plains covered with mimosa scrub.
The middle veld is marked by long low stony ridges, known as rands, and these rands and the kopjes are often covered with scrub, while mimosa trees are found in the river valleys.
Mimosa and the wild wilge-boom (Salix capensis) are the common trees on the banks and rivers, while the weeping willow is frequent round the farmsteads.
A large part of the chaparral consists of the chaparro, a low evergreen oak of hardy characteristics, mixed with mimosa, desmauthus, zonia and others.
The coast plain (in large part), the river valleys, and the eastern sides of the lower hills are covered with mimosa and other thorn trees.
The plateau is partly grass land without bush and forest, partly steppe covered with mimosa bush, which sometimes is almost impenetrable.
Formerly, much of the country was covered with mimosa bush, but the trees were to a large extent cut down by the early white immigrants.
The phenomena of movements of the organs of plants attracted the attention of John Ray (1693), who ascribed the movements of the leaf of Mimosa and others to alteration in temperature.
The mimosa, the dum palm and the date are abundant.
All these divisions except Guanacaste - which takes its name from a variety of mimosa very common in the province - are synonymous with their chief towns; and each is controlled by a governor or prefect appointed by the president.
Ferns are abundant, and the mimosa rises to heights of from 30 to 60 ft.
- Branch and leaves of the Sensitive plant (Mimosa pudica), showing the petiole in its erect state, a, and in its depressed state, b; also the leaflets closed, c, and the leaflets expanded, d.
Among many trees which have been imported, the lebbek (Albizzia lebbek), a thick-foliaged mimosa, thrives especially, and has been very largely employed.
Graham, with the cavalry brigade and the infantry of the Indian contingent, reconnoitred as far as Hashin, finding the country difficult on account of the dense mimosa scrub.
The synergidae in species of Mimosa, Iris and Allium, and in the last-mentioned the antipodal cells also.
In the low brushwood scattered over portions of the dreary plains of the Kandahar table-lands, we find leguminous thorny plants of the papilionaceous sub-order, such as camel-thorn (Hedysarum Alhagi), Astragalus in several varieties, spiny rest-harrow (Ononis spinosa), the fibrous roots of which often serve as a tooth-brush; plants of the sub-order Mimosae, as the sensitive mimosa; a plant of the rue family, called by the natives lipdtd; the common wormwood; also certain orchids, and several species of Salsola.
The plains, however, extend over large areas, they are generally arid and are often covered with mimosa trees which form a kind of jungle called by the natives khala.
To the west and north the plateau sinks in terraces to the plains of the Sudan, and eastward falls more abruptly to the Red Sea, the coast plain, known as the Samhar, consisting of sandy country covered with mimosa and, along the khors, with a somewhat richer vegetation.
Catechu-tannin occurs in the extract of Mimosa catechu; and kino-tannin is the chief ingredient of kino (q.v.).
There is little vegetation save stunted shrubs, such as the mimosa (which generally marks the river beds), wild pomegranate, and wax heaths, known collectively as Karroo bush.
Among the many varieties of trees and plants found are the date palm, mimosa, wild olive, giant sycamores, junipers and laurels, the myrrh and other gum trees (gnarled and stunted, these flourish most on the eastern foothills), a magnificent pine (the Natal yellow pine, which resists the attacks of the white ant), the fig, orange, lime, pomegranate, peach, apricot, banana and other fruit trees; the grape vine (rare), blackberry and raspberry; the cotton and indigo plants, and occasionally the sugar cane.
Reinsch on distilling catechin (the juice of Mimosa catechu); occurs free in kino and in beechwood tar; its sulphonic acid is present in the urine of the horse and man.
It was the sweet allurement of the mimosa tree in full bloom that finally overcame my fears.
I asked, and the next minute I recognized the odour of the mimosa blossoms.
I felt my way to the end of the garden, knowing that the mimosa tree was near the fence, at the turn of the path.