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Edema, (also spelled oedema, and named from the analogous disorder in humans and other animals), is a disorder in plants caused by the build-up of water in plant tissues faster than the leaves can transpire. [1] [2] The excess fluid bursts the cell membranes, which can appear as blistery growths, red spots, or small white 'crystals'. [3]
Anthurium is a genus of herbs often growing as epiphytes on other plants. Some are terrestrial. The leaves are often clustered and are variable in shape. The inflorescence bears small flowers which are perfect, containing male and female structures. The flowers are contained in close together spirals on the spadix. The spadix is often elongated ...
Leaf spots can vary in size, shape, and color depending on the age and type of the cause or pathogen. Plants, shrubs and trees are weakened by the spots on the leaves as they reduce available foliar space for photosynthesis. Other forms of leaf spot diseases include leaf rust, downy mildew and blights. [4]
Once on the leaves, the spores germinate and penetrate through the stoma. [2] The subsequent infection causes chlorosis of the leaves in localized yellow spots. As the season continues into summer, apothecia begin to form, giving rise to brown-black leaf lesions that resemble spots of tar. [2] Leaves retain their yellow border from the initial ...
This guide explains the most common reasons for peace lily leaves turning yellow and provides simple tips to help your plant recover. 1. Watering Stress. Overwatering and underwatering are, hands ...
The spathe is cartilage-waxy, brightly coloured (red, pink) and 8–15 cm long, excluding the inflorescence (the spadix), which is 7–9 cm long, similar to a candle-holder, white or yellow in colour, is erected, and bears many small hermaphroditic flowers. These include a perianth with four segments and stamens with a compressed mesh ...
Anthurium clarinervium is poisonous to both humans and common pets upon ingestion. Toxic harm results from the presence of calcium oxalate crystals in the leaves which can cause improper mineral absorption and inflammation of the lining of the digestive tract. Ingesting this plant can cause drooling, nausea, trouble swallowing or breathing ...
This is a list of Anthurium species, a superdiverse genus of flowering plants from the arum family . [1] There are known to be at least 1,000 described species. [ 2 ]