Skip to main content

Water lettuce (Pistia stratiotes)

Apu-apu or water lettuce (Pistia stratiotes) is a species of plant in the Araceae, a perennial monocot with thick and soft leaves that form a rosette, floats on the surface of the water, roots hanging and submerged under floating leaves, grows in watery habitats, rice fields, canals. freshwater and marshes.

P. stratiotes has bright green leaves, 2-15 cm long, parallel venation and wavy edges. The surface is covered in short, white hairs that form a basket-like structure and trap air bubbles for increased buoyancy.

Dlium Water lettuce (Pistia stratiotes)


Sponge parenchyma with large intercellular spaces also helps the plant to float. Flowers are dioecious, have no petals and are hidden between the leaves.

Spadix inflorescence with 1 pistil, 1 ovary and 2-8 stamens with 2 stamens. The pistil and carpel are separated by folds in the spathe, where the male flower lies above the female flower.

Berries are green, oval in shape, ovoid seeds are formed after fertilization. Plants undergo asexual reproduction via stolons, but evidence of sexual reproduction has also been observed.

Apu-apu is found in slow-moving rivers, lakes, and ponds. Optimal growth at 22-30C, but can withstand temperature extremes up to 35C. This species also requires slightly acidic water in the pH range of 6.5-7.2.



Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Liliopsida
Order: Alismatales
Family: Araceae
Subfamily: Aroideae
Tribe: Pistieae
Genus: Pistia
Species: Pistia stratiotes

Comments

Popular

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,

Sengiran (Pittosporum moluccanum)

Sengiran ( Pittosporum moluccanum ) is a species of plant in the Pittosporaceae, small tree, up to 7 meters high, green leaves, elliptical to narrow elliptical, up to 17 cm long, up to 6 cm wide, sharp tip, narrow base and 1-1.5 cm long stalk. P. moluccanum has an inflorescence which is a collection of flowers. The fruit is red, capsule-shaped, elongated oval, sharp tip, 2 broken valves containing small and red seeds. This species grows in forests, plantations, roadsides, open or shaded areas. Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Apiales Family: Pittosporaceae Genus: Pittosporum Species: Pittosporum moluccanum

Sugarcane (Saccharum officinarum)

Tebu or sugarcane ( Saccharum officinarum ) is a plant species in Poaceae, a large grass that grows strong, a sturdy stalk, rich in sucrose as a simple sugar that accumulates in the stem segment and is widely cultivated in the tropics for the production of sugar, ethanol and others. S. officinarum has tall and broad stems, has no branches, grows upright, 3-5 meters high or more, has a waxy coating that is grayish white, especially on young stems. Each segment has a border where the leaves grow and has a bud which is commonly called the "budding eye". Incomplete leaves consisting only of strands and midribs, sitting at the base of the segment, long strands of 1-2 meters long, 4-7 cm wide and pointed end. The midrib grows elongated and covers the vertebrae, attached to the stem in an intermittent sitting position and protects the buds. Root fibers grow at the base of the stem, 0.5-1 meters long and only the tips of young roots have hairs to absorb nutrients. Sugarcane grows