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Canker-induced gummosis on a Tibetan cherry. Gummosis is the formation of patches of a gummy substance on the surface of certain plants, particularly fruit trees. [1] This occurs when sap oozes from wounds or cankers as a reaction to outside stimuli such as adverse weather conditions, infections, insect problems, or mechanical damage.
Fordyce spots (also termed Fordyce granules) are harmless and painless visible sebaceous glands typically appearing as white/yellow small bumps or spots on the inside of lips or cheeks, gums, or genitalia. [1] [2] They are common, [3] and are present in around 80% of adults. [1]
It is a very thin, black-blue line visible along the margin of the gums, at the base of the teeth. [1] [2] It is caused by the reaction between circulating lead and sulphur ions produced by oral bacteria, forming deposits of lead sulfide in the gums. [3] The sign was described in 1840 by Henry Burton: [4]
Eucalyptus rossii, commonly known as inland scribbly gum or white gum, [2] is a species of small to medium-sized tree that is endemic to New South Wales and the Australian Capital Territory. It has smooth bark with insect scribbles, lance-shaped adult leaves, flower buds in groups of between nine and fifteen, white flowers and hemispherical or ...
Liquidambar, commonly called sweetgum [2] (star gum in the UK), [3] gum, [2] redgum, [2] satin-walnut, [2] styrax or American storax, [2] is the only genus in the flowering plant family Altingiaceae and has 15 species. [1] They were formerly often treated as a part of the Hamamelidaceae. They are native to southeast and east Asia, the eastern ...
Eucalyptus mannifera, commonly known as the brittle gum or red spotted gum, [2] is a species of small to medium-sized tree that is endemic to south-eastern Australia. It has smooth, powdery white bark, lance-shaped to curved adult leaves, flower buds in groups of seven, white flowers and cup-shaped, hemispherical or conical fruit.
Eucalyptus haemastoma, commonly known as scribbly gum, [2] is a species of tree that is endemic to the Sydney region.It has white or silvery grey bark, lance-shaped or curved adult leaves, flower buds in groups of between nine and fifteen, white flowers and conical or hemispherical fruit.
Eucalyptus erythrocorys, commonly known as illyarrie, [2] red-capped gum or helmet nut gum, [3] is a species of tree or mallee from Western Australia. It has smooth bark, sickle-shaped to curved adult leaves, characteristically large flower buds in groups of three with a bright red operculum , bright yellow to yellowish green flowers and ...