Skip to main content

Common red stem fig (Ficus variegata)

Nyawai or common red stem fig (Ficus variegata) is a tree species in Moraceae, height up to 30-40 m and diameter 85-100 cm, buttresses up to 2 m and smooth surface, unisexual flowers, fruit buds appear directly on the stem and grow solitary in the tropics.

F. variegata has a single leaf, scattered, ovoid, heart-shaped base and pointed tip. Thin leaves with a size of 9-25x4-12 cm. Secondary veins for 4-8 pairs with base arranged like fingers and stem length of 2.5-18 cm.

Dlium Common red stem fig (Ficus variegata)

Female flowers consist of an elongated and white stylus, ovaries, red colored calyx and pedicles. A flower bud becomes a ripe fruit for around 2-3 months. This tree starts to bear fruit at a young age.

Common red stem fig species require full sunlight, often found in burned natural forests and scattered along with other pioneer plants including jabon (Anthocephalus cadamba), mahang (Macaranga spp.), benuang bini (Octomeles sumatrana) and nuklea (Nauclea sp.) .

Nyawai grows at an altitude of 0-1000 m, rainfall 1700-3900 mm per year with an average of 148-266 mm per month and 9-14 days/month, temperature 21-32C and humidity 70-84%, pH 4.5 -5.2 on the soil of the red-yellow podsolic group with flat to moderate undulating topography.

The flowering and fruiting period is from May to June. Mature fruit has a variety of colors including dark green, reddish green to blackish red. Measuring around 34 mm and round, clustered and attached to the trunk and branches.



A tree can be found immature fruit and ripe fruit at once. Ripe fruit has a sweet taste and is liked by apes, birds, anteaters, porcupines and wild boars. The fruit contains very small and intermediate seeds with an amount of 3-5 million grains/kg.

Wood is brightly colored, whitish yellow and has a good complexion. The heating value is 4.225 cal/gram, the specific gravity is 0.20-0.43 and is classified in the strength class V and durability class V-III. It does not require special treatment to produce a good 1.5 mm veneer with a 910 peel angle.

Wood contains 74.42% holocellulose, 27.97% lignin, 19.75% pentosan, 2.84% ash and 0.439% silica. The wood will dry out within 11 days with a 50% moisture content to be reduced to 13% at a temperature of 20-33 C and humidity 62-85%.

Wood is used as plywood for face veneer, very good for temporary building construction, molding, interior, drawers, boxes for fruit and raw materials for pulp and paper. Leaves for deer feed. Fast growing trees are often used for reforestation and restoring degraded land.

Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Rosales
Family: Moraceae
Genus: Ficus
Species: F. variegata

Comments

Popular

Porang (Amorphophallus muelleri)

Porang or iles-iles (Amorphophallus muelleri) is a plant species in Araceae, the leaves are pseudo stems with a height of 40-180 cm and a diameter of 1-5 cm, tubular, green with irregular white patches, each branching point grows bulbil colored brown and yellow tubers.

A. muelleri has pseudo stems and leaves that are bright green to dark green and have greenish white patches. The surface of the stalk is smooth, while the leaves are smooth wavy. Ellipse-shaped leaves with pointed tips.


When flushing has 3, 4-5, 5-6 and finally 6 minor leaf strands with 3 small leaf stems. Young leaves have edges that are light purple, green and will end yellow with a width of 0.3-0.5 mm. Canopy has a width of 50-150 cm.

Stems grow on tubers with a diameter of 25-50 mm and height 75-175 cm. The color of the tuber is brownish or beige on the outer surface and brownish on the inside, rather oval and stringy roots, weight 450-3350 grams, fine tissue, 4-5 months dormant period and 35-55% glucomannan content.

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. These lit…

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 flocks, but outbre…