JALAP, a cathartic drug consisting of the tuberous roots of Ipomaea Purga, a convolvulaceous plant growing on the eastern declivities of the Mexican Andes at an elevation of 5000 to 8000 ft.
It is closely related to the Manioc, cassava or tapioca plant (Manihot utilissima) which it resembles when young and exhibits a similar tuberous root system.
Beautiful plants with fleshy tuberous roots, which are the better if not often disturbed.
Interesting and elegant plants, mostly tuberous, growing in good garden soil.
Charming tuberous-rooted plants of dwarf habit, suitable for sheltered rockeries, and growing in light gritty soil.
A charming tuberous rooted plant, called winter aconite.
Requires rich, gritty loam of good depth, as it produces tuberous roots I to 2 ft.
Graceful water or marsh plants with hastate leaves, and tuberous, running and fibrous roots.
Patens, 2 ft., which is intense azure, has tuberous roots, and may be taken up, stored away and replanted in spring like a dahlia.
The following is a select list of genera of miscellaneous decorative plants (orchids, palms and ferns excluded; climbers are denoted by *; bulbous and tuberous plants by f) Stove Plants.
The following is a select list of genera of stove plants (climbers are denoted by *, bulbous and tuberous plants by f) Acalypha Achimenest Aeschynanthus Allamanda* Alocasiat Amaryllist Anthurium Aphelandra Aralia Ardisia Arisaemaf Aristolochia * Ataccia Begonia Bertolonia Bignonia* Bromeliads Cactus Caladium f Calathea Centropogon Cissus* Clerodendron * Crinumt Codiaeum (Croton) ORcftIDs.
Pot and start tuberous-rooted begonias and gloxinias.
Take up bulbs and tuberous roots and dry them in the shade before removing them to the store-room.
Take up the remaining tuberous roots, such as anemones, ranunculuses, &c., by the end of the first week; fill up their places, and any vacancies that may have occurred, with annuals or bedding plants from the reserve ground.
Speciosum from Chile; it has tuberous roots, as have also such well-known perennials as T.
7 a little known but very distinct tuberous species from central Mexico.'
It is possible that the hybridizing of the potato with one or other of the wild types of tuberous Solanums may give rise to a variety which shall be immune, though unfortunately most are themselves liable to the attacks of the fungus, and one of the few crosses so made between the common potato and Solanum Maglia has exhibited the same undesirable trait.
In several species of Smilax the roots become thickened here and there into large tuberous swellings 4 to 6 in.
- Stems tuberous or columnar, not infrequently branched, rarely epiphytic (Peruvian species of Zamia); fronds pinnate, bi-pinnate in the Australian genus Bowenia.
Small tuberous shoots, comparable on a large scale with the bulbils of Lycopodium Selago, are occasionally produced in the axils of some of the persistent leaf-bases; these are characteristic of sickly plants, and serve as a means of vegetative reproduction.
The stems of cycads are often described as unbranched; it is true that in comparison with conifers, in which the numerous branches, Stem springing from the main stem, give a characteristic form to the tree, the tuberous or columnar stem of the Cyca daceae constitutes a striking distinguishing feature.
The thick tuberous stem becomes rapidly narrower, and passes gradually downwards into a tap-root.
In some species branches of the rhizome with tuberous internodes are formed, which serve as a means of vegetative reproduction.
Cernuum and other forms with superficial green prothalli is attached to the prothallus by a small foot, and develops at first as a tuberous body (the protocorm) bearing rhizoids; this forms a number of simple leaves, and upon it the apex of the shoot arises later.
In the interior rivers is found the curious and beautiful lace-leaf plant (Ouvirandra fenestralis), with an edible tuberous root.
Among tuberous vegetables the potato comes first.
Wheat, Indian corn and many vegetables, especially tuberous, are particularly important.
Africa, from the tuberous roots of which rubber is extracted by the natives.
This is illustrated in the "harbinger of spring," a name given to a small plant belonging to the Umbelliferae, which has a tuberous root, and small white flowers; it is found in the central states of North America, and blossoms in March.