Skip to main content

Soursop (Annona muricata)

Sirsak or soursop (Annona muricata) is a plant species in Annonaceae, a small tree, growing upright to a height of 10 m, stem diameter of 10-30 cm and young branches are hairy, evergreen, edible fruit and have a sour or sweet taste to some varieties.

A. muricata has long to oval leaves, 8-16 cm long and 3-7 cm wide, dark green and shiny without hair on the upper side, paler and hairless on the lower side. Petiole has a length of 4-13 mm and without hair.

Dlium Soursop (Annona muricata)

The flower stalks are 2-5 mm long and woody, appear opposite to the leaves or in addition to near the petioles, each with one or two flowers each. The stems of each flower are woody, smooth or hairless and 15-20 mm long with small bractlets closer to the base of thick hairy.

The outer petals are thick and yellowish, meet at the edges without overlapping and are broadly ovoid, 2.8-3.3 cm with 2.1-2.5 cm, tapering to a point with a heart-shaped base, thick and covered with long hair, sleek, externally soft and silky tangle with soft hair inside.

The inner petals are oval and overlapping, 2.5-2.8 cm by 2 cm, sharp angled and tapered at the base. Thin margins with fine hair tangled on both sides. Cone-shaped container and hair. Stamens have a length of 4.5 mm and are narrow wedge-shaped.

Thick and non-overlapping sepals. Carpets are linear and have a base that grows from one base. The ovary is covered with thick reddish brown hair, short and stigmatized. Pollen dripping as permanent tetrads.



The fruit is pseudo, has a dark green outer shell but is yellowish green and glossy when ripe, the surface is rough and thorny, ovoid and can reach 30 cm with a rather hard texture. Flesh runny, sour or sweet, whitish, fibrous, strong-scented and edible.

Each fruit contains 20-70 seeds, flat, blackish brown and hard, blunt tip, smooth and shiny surface, 16.8 mm long and 9.6 mm wide. Soursop is easy to grow in warm and humid tropical climates, altitudes up to 1200 m, temperatures 22-28C and rainfall 1500-2500 mm/year.

Some varieties have sweetened fruit that has high commercial value as a low-cost agricultural commodity that does not require much care. Fruit is more preferred as a table fruit that is served fresh or processed as juice, syrup, pudding and fruit ice mixture.

Sirsak fruiting after more than three years old, flowering season is October-November and fruit season is January-February. A tree produces 2-30 fruits with a weight of 200-1200 grams each. Production will decline after the age of 8-10 years and requires rejuvenation.

Raw soursop is 81% water, 17% carbohydrates, 1% protein, and has negligible fat. In a 100 gram reference amount, the raw fruit supplies 66 calories, and contains only vitamin C as a significant amount (25%) of the Daily Value, with no other micronutrients in appreciable amounts.

Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Magnoliids
Order: Magnoliales
Family: Annonaceae
Genus: Annona
Species: A. muricata

Comments

Popular

Javanese grasshopper (Valanga nigricornis)

Wooden grasshoppers or wooden walang or Javanese grasshopper ( Valanga nigricornis ) are grasshopper species in Acrididae and have around 18 subspecies, most of which are endemic to various island groups in Indonesia. This insect has a very broad sexual dimorphism where males have a length of 45-55 millimeters and females 15-75 mm. V. nigricornis is yellowish brown or yellowish or green with bluish black marks. The back wing is rose red when flying. The nymphs are pale green and dark. They live in forests, bushes and really like the leaves of the giant sensitive plant ( Mimosa diplotricha ) and giant sensitive tree ( Mimosa pigra ). Javanese grasshopper has one generation every year where four eggs are placed on moist soil in forest clearing. The eggs are not active throughout the dry season and it takes six to eight months to hatch. The eggs hatch into nymphs and pass seven instar stages before becoming winged adults. Wood grasshoppers are solitary insects and do not form fl

China rose (Rosa chinensis)

Mawar or Bengal rose or China rose ( Rosa chinensis ) is a plant species in Rosaceae, shrubs up to 1-2 m tall, growing on fences or forming bushes. Leaf pinnate, 3-5 leaflets, each 2.5-6 cm long and 1-3 cm wide. The plant has three varieties is R. chinensis var. chinensis, R. chinensis var. spontanea and R. chinensis var. semperflorens. R. chinensis has pink, red and white petals. Solitary flowers, usually four or five bundles together and have a mild aroma. Hermaphrodite flowers have radial symmetry for diameters of 4-5 cm. Strong branches, sturdy thorns decorate each path, young stems have dark green tree bark and woody old stems have purplish brown color. The leaves are arranged alternately from the petiole and downy. Leaf pinnate, ovoid with rounded base, tapered tip and sharp saw edge. The top leaves are dark green and shiny. Various forms of mawar have been cultivated in the garden for a long time, many varieties of garden roses and hibidation as tea roses and so on hy

God is tools

OPINION - God and spirit are controversial discussions in science and even mythology will have no place among naturalists and for Darwinians. Apparently this has been final that mythology is a delusional, mystical and superstitious concept that cannot be empirically proven in the world of science. Most scientists and science activists have agreed that god is nonsense, delusional and cannot be accommodated in the theory of evolution. This opinion can be understood methodologically and I agree with the sentences. But so many behaviors are very real and occur in the field. I am a fieldman who goes to the wild every day, along rice fields and forests to watch insects to plants, talk to people especially in villages, visit Hindu-Buddhist temples built in the 8th century, witnessing busyness in mosques, temples and churches. I feel something is missing in the view of naturalists and Darwinians. There are short moments that are missed in analyzes in the timeline of human evolution. The