Karakteristik morfologi daun sirih merah: Piper crocatum Ruitz & Pav dan Piper porphyrophyllum N.E.Br. koleksi Kebun Raya Bogor

The red piper were most sale and known and usaged by the people in this decade was a species of Piper crocatum Ruitz & Pav. It was introduce plant. The original habitat of this species is Peru, South of America, while the information about when and who have introduced to Indonesia unknown. Besided Piper crocatum, in Indonesia have recorded another species of the wild red piper which are grows in the forest, it is Piper porphyrophyllum NE Br. These last wild red piper can be find in the forest area at Sumatera and Kalimantan islands. Both of the species were Bogor Botanic Garden collection, which have differences of leaves morphological character as well as shape, characteristic and colour. So, it has choised the living collection as research material. The leaves morphological character which observe were shape size, characteristic and colour, all of the leaves morphological character which observe have recorded as an material for character difference analysis of this red piper species. The observation result of leaves morphological character of this species shows that the leaf shape of P. crocatum is cordate–oval like a egg–obovid, while the leaf shape of P. porphyrophyllum cordate–deltoid–oval like a egg–rounded (rare). The leaf characteristic of P. crocatum rather thick and stiff, while the leaf characteristic of P. porphyrophyllum thin and flexible?. The leaf colour of P. crocatum green pinkish with pinky lines shape illustration, while the leaf colour of P. porphyrophyllum green redish–green red blackish with white greyish (Sumatera)–bright pinky (Kalimantan) lines shape illustration. With lines illustration morphologycal character prooff in the both species shows that there is an existancegenetical relatives although must be done next observation about what the gen which can be phenotyphic illustrade on this leaves to inform this phylogenetical and taxonomy status in the clasification.