Congest spikerush (Eleocharis congesta)

Purun or congest spikerush (Eleocharis congesta) is a species of plant in the Cyperaceae, herbaceous in the form of a thick, erect, dark green reed, 10-25 cm high, 1-2 mm thick, cylindrical, smooth and shiny. Spikelet inflorescences at the tip of the reed, brown, 1-9 mm long, 1-3 cm wide and many flowers.

E. congesta grows in swamps, shallow lakes and rice fields at an elevation of 5-2500 meters, is resistant to brackish water, resistant to flooding and resistant to drought. This species forms dense colonies and covers surfaces.

Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Liliopsida
Order: Poales
Family: Cyperaceae
Subfamily: Cyperoideae
Tribe: Eleocharideae
Genus: Eleocharis
Species: Eleocharis congesta
Variety: Eleocharis congesta var. congesta, Eleocharis congesta var. japonica, Eleocharis congesta var. thermalis

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Indian rosewood (Dalbergia latifolia)

Sonokeling or Java palisandre or Indian rosewood ( Dalbergia latifolia ) is a species of plant in the Fabaceae, a large tree producing hardwood, medium weight and high quality, rounded leaves, thin and broad pods, highly adaptive, grows in dry and rocky landscapes with lots of sunlight. D. latifolia has medium to large size, cylindrical stems, up to 40 m high with a ring of up to 2 m, the bark is brownish gray and slightly cracked longitudinally. The crown is dense, dome-shaped and sheds leaves. The leaves are compound and pinnate oddly with 5-7 strands that have different sizes and appear alternately on the shaft. The leaves are round or elongated in width or heart, the upper surface is green and the surface is pale green. The flowers are small, 0.5-1 cm long and clustered in panicles. The pods are green to brown when ripe and are elongated lanceolate, pointed at the base and tip. The pods have 1-4 seeds which are soft and brownish. Indian rosewood grows at elevations below 600 m,

Dry Valleys on Antarctic continent is the driest place in the world

The Sahara Desert is the largest desert in the world, rainfall is very low, only stretches of sand and rocks without rivers and plants further strengthen the view of drought. However, it turns out that the place is not the driest place in the world. Dry Valleys in Antarctica, although the continent is covered in ice, but has one part that is completely dry. Although the average rainfall in most of the Sahara Desert is less than 20 millimeters per year, there are still drier places. Dry Valleys in Antarctica is much drier where the average rainfall is 0 millimeters per year and gets the title of the driest place in the world. The valleys have so low humidity that there is almost no ice. This is the largest ice free place on the Antarctic continent. The area is surrounded by mountains that block ice from flowing into the valley. Drought is also caused by strong katabalic gusts from mountain peaks where cold air blows down the hill due to gravity. The wind has speeds of up to 322 k

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