Anatomi daun Pipreaceae dari kawasan Gunung Slamet, Jawa Tengah

Leaf anatomy slides of Piperaceae from Gunung Slamet, Central Java was prepared using standard paraffin and paradermal method. The results showed that Piperaceae has dorsiventral leaf, hypostomatatic or amphistomatatic, tetracytic and cyclocytic stomata type. Hypoderm tissue exist in upper and/or lower part of leaf, mesophyll was arranged by 1-2 lavers of palisade and 2-7 layers of sponge tissue. There were 3 types of trichomes i.e. glandular trichome which had globose cell with short stalk, bicellular glandular trichome and multicellular & uniseriate non-glandular trichome. The shape of the crystal of Piperaceae from mount Slamet are sand, needle, drusse or prismatic which distributed in hypodermis, mesophyll and midrib. Piperaceae petiole was arranged by open or sometimes closed circle vascu lar bundles. These open vascular bundles were crescent shape or resemble to U and V shapes. Buletin Kebun Raya vol. 14 no. 2 Juli 2011. hal. 53-68