Dumortier's liverwort (Dumortiera hirsuta)

Dumortier's liverwort (Dumortiera hirsuta) is a species of plant in the Dumortieraceae, growing vines and attached to the surface of soil and rock, soft, dark green in color, grows to form colonies on slopes and rocks.

Gametophyte in the form of frondose or thallus which is dorsiventral, thin, soft, dichotomous branching, dark green to yellowish green and arranged overlapping.

Dorsal have female sexual reproductive organs or archegonia that sit on stalks at the terminal and hairs on the upper surface of the receptacle. The ventral thallus has rhizoids.

Dumortier's liverwort colonizes slopes and vertical moist, shady soils, soil or rock substrates on the outer cave walls, granite surfaces with dripping water near waterfalls and banks of swift streams, rocks below the surface of the water.

Kingdom: Plantae
Phylum: Marchantiophyta
Class: Marchantiopsida
Order: Marchantiales
Family: Dumortieraceae
Genus: Dumortiera
Species: Dumortiera hirsuta
Varities: Dumortiera hirsuta var. hirsuta, Dumortiera hirsuta var. nepalensis

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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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