Habropetalum dawei (JSTOR) (PROTA) represents an endemic genus. Sierra Leone is part of the Guinean Forests of West Africa biodiversity hotspot (CEPF). Portions of Sierra Leone are included in the Guinean Montane Forests (EoE) and the Western Guinean Lowland Forests (EoE) terrestrial ecoregions. Sierra Leone is located in the Northern Upper Guinea freshwater ecoregion (FEOW).
http://lntreasures.com/sierraleone.html
The only specimen of the Sierra Leone Worm Lizard Cynisca degrysi (p. 34 of AMNH Digital Library 19 MB pdf file) (BHL) no longer exists and it is unclear if it actually originated in Sierra Leone.
http://lntreasures.com/sierraleone.html
Sierra Nevada, also called Sierra Nevadas , Colorado RiverEncyclopædia Britannica, Inc.major mountain range of western North America, running along the eastern edge of the U.S. state of California. Its great mass lies between the large Central Valley depression to the west and the Basin and Range Province to the east.
https://www.britannica.com/place/Sierra-Nevada-mountains
Lodgepole pine, mountain hemlock, Sierra juniper, and western white pine are among the trees of the subalpine forest. Mosses, lichens, and low-flowering Alpine plants prevail above the tree line. The arid eastern slopes support sagebrush, bitterbrush, juniper, piñon pine, and aspen.
https://www.britannica.com/place/Sierra-Nevada-mountains
The agricultural sector (see Figure 4), comprising food crops, tree crops, fishery, livestock, and forestry sub-sectors is the backbone of Sierra Leone’s economy. Nearly two-thirds of the population depends on the sector for its livelihood (Braima et al., 2006; SSL, 2007; SSL, 2009).
http://www.fao.org/ag/AGP/AGPC/doc/Counprof/SierraLeone/SierraLeone.htm
It is abundant in the foothills, in the forests as well as along roads and at field edges. Mock Orange, Philadelphus lewisii, is a much-branched bush up to ten feet high, in late spring capable of being gorgeously arrayed with dense clusters of 25¢-size white flowers.
http://www.backyardnature.net/sierras/trees.htm
It has long been recognized that the Sierra Nevada is an upfaulted, tilted block of the Earth’s crust. A major fault zone bounds the block on the east, and it was along this that the great mass that became the Sierra Nevada was uplifted and tilted westward. This explains the asymmetry of the range.
https://www.britannica.com/place/Sierra-Nevada-mountains
The uplands are composed of forest, savannah woodlands and grasslands while the lowlands comprise 690 000 hectares (ha.) of inland valley swamps, 145 000 ha. of ‘bolilands’ (or large, saucer-shaped basins), 130 000 ha. of riverine grasslands; and 200 000 ha. of mangrove swamps.
http://www.fao.org/ag/AGP/AGPC/doc/Counprof/SierraLeone/SierraLeone.htm
The mid-latitude location of the range and its proximity to the moderating influence of the Pacific Ocean give the Sierra Nevada an unusually mild mountain climate. Although winter temperatures below 0° F (-18° C) are common in valley locations, they are rare on mountain slopes.
https://www.britannica.com/place/Sierra-Nevada-mountains
Sierra Leone is on the west coast of Africa between 6o 55’ N and 10 o00’ N. The Republic of Guinea borders it on the north and northeast, and the Republic of Liberia borders it on the east and southeast. On the west and southwest, the Atlantic Ocean extends approximately 340 km. (Figure 1a).
http://www.fao.org/ag/AGP/AGPC/doc/Counprof/SierraLeone/SierraLeone.htm
what kind of vegetation in sierras
Sierras is a forest kind of vegetation. There is forest vegetation in the Sierras.