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Dracaena trifasciata is a species of flowering plant in the family Asparagaceae, native to tropical West Africa from Nigeria east to the Congo. It is most commonly known as the snake plant, Saint George's sword, mother-in-law's tongue, and viper's bowstring hemp, among other names. [2] Until 2017, it was known under the synonym Sansevieria ...
Snake plant, Dracaena (formerly Sansevieria) trifasciata, is known as one of the toughest and most common houseplants. Aloe spp. including Aloe vera; Cactaceae (cacti) Epiphyllum (orchid cacti) Mammillaria; Opuntia (paddle cacti, including the prickly pear) Zygocactus (Christmas cactus) Gymnocalycium mihanovichii (chin cactus) Ceropegia woodii ...
Dracaena (/ d r ə ˈ s iː n ə / [2]) is a genus of about 200 species of trees and succulent shrubs. [3] The formerly accepted genera Pleomele and Sansevieria are now included in Dracaena . In the APG IV classification system , it is placed in the family Asparagaceae , [ 4 ] subfamily Nolinoideae (formerly the family Ruscaceae).
Dracaena aletriformis. Dracaena acaulis Baker; Dracaena acutissima Hua; Dracaena adamii Hepper; Dracaena aethiopica (Thunb.) Byng & Christenh. Dracaena afromontana Mildbr.; Dracaena ajgal (Benabid & Cuzin) Rivas Mart., Molero Mesa, Marfíl & G.Benítez
Dracaena zeylanica is a leafier plant (10-16 leaves per rosette, versus generally 2–4 in Dracaena trifasciata), and its leaves lack a petiole, instead becoming only slightly narrower at the base. In D. trifasciata, leaves become narrower and thickened towards the bottom, forming a concave channel at the base of the leaves. [2]
Sansevieria ehrenbergii in habitat.. Sansevieria is a historically recognized genus of flowering plants, native to Africa, notably Madagascar, and southern Asia, now included in the genus Dracaena on the basis of molecular phylogenetic studies.
Confrontation visual field testing is an important part of a routine ophthalmological or neurological examination. It can be used for rapid and gross assessment of large-scale visual field problems due to ophthalmological or neurological diseases, such as homonymous and heteronymous hemianopias, quadranopsia, altitudinal visual loss, central/centrocecal scotoma etc. [1] [2] Test using a red ...
Dracaena sanderiana is a species of flowering plant in the family Asparagaceae, native to Central Africa. [3] It was named after the German–English gardener Henry Frederick Conrad Sander (1847–1920). The plant is commonly marketed as "lucky bamboo," which has become one of its common names.