WebRakesh Sundriyal. The paper enumerates 95 plant species of medicinal importance used by the inhabitants of the villages around the Changthang plateau of Ladakh Union Territory, India. Leaves (27 ... WebJul 1, 2024 · 1. Introduction. Gymnosperms are a group of early-diverging seed plants defined by having ovules or seeds completely or partly exposed (vs. ovules enclosed in carpels in angiosperms) (Yang et al., 2024).Gymnosperms constitute one of the four major groups of land plants (the other three being bryophytes, ferns and fern allies, and …

Recent advances on phylogenomics of gymnosperms and a new ...

WebApr 30, 2024 · Ephedra is a Chinese shrub which has been used in China for medicinal purposes for several thousand years. The pure alkaloid ephedrine was first isolated and characterised by Nagai in 1885. WebApr 30, 2024 · Ephedra is characterized with decussate reduced scale leaves and ovulate strobili, often with fleshy bracts and seeds with an inner integument and an outer envelope. The apical part of the inner... princess anne park washington map

Reduction in Ephedra Poisonings after FDA Ban

WebEphedra is a genus of gymnosperm shrubs. The various species of Ephedra are widespread in many arid regions of the world, ranging across southwestern North America, southern Europe, northern Africa, southwest and central Asia, northern China and western South America. Ephedra is a genus of gymnosperm shrubs. The various species of Ephedra are widespread in many arid regions of the world, ranging across southwestern North America, southern Europe, northern Africa, southwest and central Asia, northern China and western South America. It is the only extant genus in its … See more The family Ephedraceae, of which Ephedra is the only extant genus, are gymnosperms, and generally shrubs, sometimes clambering vines, and rarely, small trees. Members of the genus frequently spread by the use of See more Ephedraceae are adapted to extremely arid regions, growing often in high sunny habitats, and occur as high as 4000 m above sea level in both the Andes and the Himalayas. … See more Alkaloids obtained from the species of Ephedra used in herbal medicines, which are used to synthetically prepare pseudoephedrine and ephedrine, can cause cardiovascular events. These events have been associated with arrhythmias, … See more The genus Ephedra was first described in 1753 by Carl Linnaeus, and the type species is Ephedra distachya. The family, Ephedraceae, was first described in 1829 by See more The genus is found worldwide, in desert regions, but not in Australia. See more The Ephedra alkaloids, ephedrine and pseudoephedrine – constituents of E. sinica and other members of the genus – have sympathomimetic and decongestant qualities, and have … See more The earliest uses of Ephedra species (mahuang) for specific illnesses date back to 5000 BC. Ephedrine and its isomers were isolated in 1881 … See more WebDec 14, 2024 · On the other hand, Ephedra could be amenable as a model system for molecular developmental genetic studies, given their short reproductive cycles and relatively small genomes compared to other gymnosperms (Di Stilio and Ickert-Bond, 2024). Breaking the morphological branch: The fossil record plf live