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Trichome. Fossil stellate hair (trichome) probably of an oak, in Baltic amber; image is about 1 mm wide. Trichomes ( / ˈtraɪkoʊmz, ˈtrɪkoʊmz /; from Ancient Greek τρίχωμα (tríkhōma) ' hair ') are fine outgrowths or appendages on plants, algae, lichens, and certain protists. They are of diverse structure and function.
A stinging plant or a plant with stinging hairs is a plant with hairs ( trichomes) on its leaves or stems that are capable of injecting substances that cause pain or irritation. Other plants, such as opuntias, have hairs or spines that cause mechanical irritation, but do not inject chemicals. Stinging hairs occur particularly in the families ...
Root hair. Root hair, or absorbent hairs, are outgrowths of epidermal cells, specialized cells at the tip of a plant root. They are lateral extensions of a single cell and are only rarely branched. They are found in the region of maturation, of the root. Root hair cells improve plant water absorption by increasing root surface area to volume ...
Acalypha wilkesiana. Müll.Arg. Acalypha wilkesiana, common names copperleaf, Jacob's coat [1] and Flamengueira, [2] is an evergreen shrub growing to 3 metres (9.8 ft) high and 2 metres (6 ft 7 in) across. It has a closely arranged crown, with an erect stem and many branches. Both the branches and the leaves are covered in fine hairs.
Plumeria ( / pluːˈmɛriə / ), also known as frangipani, is a genus of flowering plants in the subfamily Rauvolfioideae, of the family Apocynaceae. [1] Most species are deciduous shrubs or small trees. The species are native to the Neotropical realm (in Mexico, Central America, and the Caribbean, and as far south as Brazil and as far north as ...
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Polytrichum is a genus of mosses — commonly called haircap moss or hair moss — which contains approximately 70 species that have a cosmopolitan distribution . The genus Polytrichum has a number of closely related sporophytic characters. The scientific name is derived from the Ancient Greek words polys, meaning "many", and thrix, meaning "hair".
Adiantum capillus-veneris. L. Adiantum capillus-veneris, the Southern maidenhair fern, black maidenhair fern, maidenhair fern, [3] and venus hair fern, is a species of ferns in the genus Adiantum and the family Pteridaceae [4] with a subcosmopolitan worldwide distribution. It is cultivated as a popular garden fern and houseplant.