Search results
Results from the WOW.Com Content Network
Lonsdaleite (named in honour of Kathleen Lonsdale), also called hexagonal diamond in reference to the crystal structure, is an allotrope of carbon with a hexagonal ...
Amethyst crystals – a purple quartz Apophyllite crystals sitting right beside a cluster of peachy bowtie stilbite Aquamarine variety of beryl with tourmaline on orthoclase Arsenopyrite from Hidalgo del Parral, Chihuahua, Mexico Aurichalcite needles spraying out within a protected pocket lined by bladed calcite crystals Austinite from the Ojuela Mine, Mapimí, Durango, Mexico Ametrine ...
This region has 4,004 species of plants from 1201 genera in 182 families. Many lack common names. Many have more than one common name, but only one is listed. Native and non-native taxa are included. [1]
Lepidodendron is an extinct genus of primitive lycopodian vascular plants belonging the order Lepidodendrales.It is well preserved and common in the fossil record. Like other Lepidodendrales, species of Lepidodendron grew as large-tree-like plants in wetland coal forest environments.
Lythraceae species are most often herbs, and less often shrubs or trees; the shrubs and trees often have flaky bark. [5] Traits shared by species within the Lythraceae that distinguish them from belonging to other plant families are the petals being crumpled in the bud and the many-layered outer integument of the seed.
The Loganiaceae are a family of flowering plants classified in order Gentianales.The family includes up to 13 genera, distributed around the world's tropics.There are not any great morphological characteristics to distinguish these taxa from others in the order Gentianales.
The plant is also found in parts of the U.S., including California, Arizona, Texas, Hawaii, and Florida. [25] Leucaena leucocephala wood and bark. It grows quickly and forms dense thickets that crowd out all native vegetation. [26] In urban areas, it is an especially unwanted species, growing along arid roadsides, in carparks, and on abandoned ...
Chenopodium is a genus of numerous species of perennial or annual herbaceous flowering plants known as the goosefoot, which occur almost anywhere in the world. [3] It is placed in the family Amaranthaceae in the APG II system; older classification systems, notably the widely used Cronquist system, separate it and its relatives as Chenopodiaceae, [4] but this leaves the rest of the ...