Tall reed (Phragmites karka)

Prumpung or tall reed (Phragmites karka) is a species of plant in the Poaceae, grass with large, hollow stems, chronic, often found growing in damp places, forming dense colonies and used for crafts to support and firewood.

P. karka has chronic reeds with spreading rhizomes and erect stems up to 10 m high, hollow and young shoots grow to form branches on the segments.

The tip has a soft stem and is green with linear stripes and is covered with leaves. The base has a hard stem, woody, bare and yellow or brown or black.

The leaves are ribbon-shaped, 30-80 cm long, 12-40 mm wide and green. The flowers are clustered in panicles, 30-50 cm long, 10-20 cm wide and 9-12 mm spikelets. Generally reproduce vegetatively and rarely flower.

Tall reed grows at elevations near sea level up to 3000 meters along river banks, marshes, wet meadows, mountain slopes and is flood resistant. Widely planted for soil stabilization from erosion. Split tatepal trunks are used instead of bamboo to make roofs and woven materials.

Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Liliopsida
Order: Poales
Family: Poaceae
Subfamily: Arundinoideae
Tribe: Molinieae
Genus: Phragmites
Species: Phragmites karka

Hairy senna (Senna hirsuta)

Hairy senna ( Senna hirsuta ) is a species of plant in the Fabaceae family. It is an upright shrub, growing up to 2.5 meters tall. The leaves are compound on petioles up to 13 cm long. They usually have 2-6 pairs of leaflets, are egg-shaped, and have white hairs, up to 10 cm long and 5 cm wide. The flowers are yellow and arranged at the tips of branches and in the upper leaf axils in clusters of 2-5. The petals are 12-16 mm long, have 6 stamens, 3-8 mm long anthers, and 4 staminodes. Flowering occurs almost monthly. The pods are cylindrical, up to 15 cm long, 4-6 mm wide, and curved. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Fabales Family: Fabaceae Subfamily: Caesalpinioideae Tribe: Cassieae Subtribe: Cassiinae Genus: Senna Mill. in Gard. Dict. Abr., ed. 4.: [s.p.] (1754) Species: Senna hirsuta (L.) H.S.Irwin & Barneby in Phytologia 44: 499 (1979) Variety: Senna hirsuta var. acuminata (Benth.) H.S.Irwin & Barneby, Senna ...

Black jumping spider (Hyllus diardi)

Black jumping spider ( Hyllus diardi ) is an animal species in the Salticidae, black and white spiders, long hair, round head, elongated belly, relatively small, arboreal, perched on leaves in bushes and low trees in forests and agricultural lands. H. diardi has black and white color, shiny surface and white hair all over the body. The head is round, shiny black with a linear white line in the middle. Black eyes on the front of the head. The stomach has an elongated, jointed, black cylindrical shape with black plots at the top of each segment. The legs are long, segmented, shiny black or brownish in color and hairy. Black jumping spiders live arboreal, perch on leaf surfaces, low bushes, trees in forests, agricultural land, roadsides and shade. Very sensitive to human presence and will hide behind leaves to avoid sight. Kingdom: Animalia Phylum: Arthropoda Subphylum: Chelicerata Class: Arachnida Order: Araneae Suborder: Araneomorphae Infraorder: Entelegynae Superfamily: Salticoi...

Water strider (Ptilomera tigrina)

Water strider ( Ptilomera tigrina ) is an animal species in Gerridae, a predatory insect that spends time on the surface of fast water with back and forth movements with a speed of up to 1.5 m/s to float and is very easily recognized by its habit of always walking and jumping on around water. P. tigrina has an elongated, dark cylindrical body with several bright or silvery white parts. A pair of big eyes at the tip of the head. The stomach has joints and tapers towards the back. A pair of antennae is very long with several joints and stick-shaped legs. The forelegs pair have three sections with two joints and the first is slightly thickened. The second and third pairs of legs are several times the length of the body. Water strider has a very fast movement on the surface of the water to float and target prey near the surface. This species is a model in biophysical research regarding the ability to float on the surface and the ability to move forward quickly. The buoyancy originates f...

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