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2742 results found for ' useful plants' (displaying page 13 of 275)
Pachycarpus schinzianus
Plant... always has a maroon blotch on the channelled inside. The plants contain thick milky latex which is secreted wherever a ... underground rootstock is essential for the survival of the plants during the cold winter months and is also a mechanism ... in the wind-dispersal syndrome exhibited by these plants. Apocynaceae As with many members of this family that ...
Acmadenia trigona
Plant... watsonias, Leucadendron and other interesting companion plants. Water the garden area before planting. Plant out in ... established, they will withstand a fair amount of frost. Plants can be maintained in the garden for several years and are pruned once the bush becomes untidy. Plants require good watering in winter and moderate watering ...
Freesia grandiflora
Plant... usually unbranched, but it can have up to four branches. Plants have 6–9 green, soft-textured, suberect leaves. The ... Freesia . They can be grown in woodland gardens or as pot plants in shade or semi-shade. These plants usually grow in spring and summer, flower in summer ...
... effectively. Another problem facing aquatic plants is the supply of oxygen to their roots. Roots must ... pond mud and therefore cannot get oxygen they way normal plants do. It has overcome this difficulty by developing a ... for the newly opened fresh flowers of neighbouring plants. It does not appear that the nymphaeas employ such a ...
Aloe petricola
Plant... been found. It grows to between 450 and 600 mm tall. The plants grow as single, densely leafy rosettes. The rosette ... teeth. The inflorescence vary in number on young to older plants, with younger plants only having one, but in older plants it can go to ...
Aloe krapohliana
Plant... a dwarf aloe and reaches a height of no more than 250 mm. Plants may be found growing as solitary rosettes but there ... older specimens stems may be visible but in most cases the plants appear stemless with dense leaf arrangements. The ... transverse bands on the leaf surfaces which give these plants a striped appearance. The inflorescence is simple or ...
Agathosma capensis
Plant... watsonias, Leucadendron and other interesting companion plants. Water the garden area before planting. Plant out in ... established, they will withstand a fair amount of frost. Plants can be maintained in the garden for several years by pruning, once the bush becomes untidy. Plants require good watering in winter and moderate watering ...
Strophanthus amboensis
Plant... mulembelembe (Kimbundu). National Herbarium Pretoria Plants are usually shrubs of 1–4 m tall, with long, slender ... February) and sporadically throughout spring and summer. Plants are slow-growing but long-lived. Very little ... The seed is then dispersed by the gentlest breeze. The plants are poisonous and contain glycosides and some authors ...
Streptocarpus johannis
Plant... Gesneriaceae Well suited to living in woodland, the plants grow best in conditions that resemble those found in ... (not wet) soil conditions. It is very important that the plants should not be over-watered, to prevent rotting and ... leaves as these encourage fungal growth, and to keep the plants looking attractive. If fungus is found on any part of ...
Haworthiopsis coarctata
Plant... The mature rosettes of leaves are up to 300 mm long. New plants form at the base and they develop into large clumps. ... and porcupines. Asphodelaceae Haworthiopsis coarctata plants are relatively slow growing They can be propagated in ... 3 ways: offsets, leaves and seeds. With offsets, new small plants will sprout up around the base of the motherplant; ...