Tiva porterweed (Stachytarpheta abortiva)

Tiva porterweed (Stachytarpheta abortiva) is a species of plant in the Verbenaceae, shrub, erect, 1-2 meters high, branched, woody stems and light brown with white spots, young stems green or black.

S. abortiva has green leaves all year round in all seasons. Leaves arranged oppositely on main stem, round to oblong, slightly serrated edge, pointed to blunt tip, green, a main vein in the middle and 3-5 pinnate minor veins on each side.

Inflorescences in panicles, sitting in rows along long stalks, green and scaly. The single flower is trumpet-shaped and white. The flowers are in the form of buds along the scaly stalk then starting from the bottom will bloom sequentially to the end of the stalk.

Tiva porterweed grows on roadsides, unkempt gardens, meadows, sandy soils and open areas that get sunlight up to 700 meters elevation.

Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Magnoliopsida
Order: Lamiales
Family: Verbenaceae
Tribe: Duranteae
Genus: Stachytarpheta
Species: Stachytarpheta abortiva

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Purwaceng or purwoceng or antanan gunung or Viagra of Java ( Pimpinella pruatjan or Pimpinella priatjan ) are small termas growing horizontally in Apiaceae, growing in villages on Dieng Plateau, Central Java Province, Indonesia, at 1,500 to 2,000 meters above sea level, the roots have medicinal properties for aphrodisiacs and are usually processed in powder form for a mixture of coffee or milk. P. pruatjan grows flat on the ground but does not propagate, small leaves are reddish green for 1-3 cm in diameter. This plant is only found in Java and grows in high mountain areas. A low population where industrial demand is very high results in increasingly scarce. Another place that is likely to become a purwaceng habitat is the Iyang Mountains and the Tengger Mountains in East Java Province. Efforts to multiply and cultivate have a big problem where these plants have difficulty producing seeds. In vitro propagation research through tissue cultivation has been carried out to overcome ...

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