IDENTIFIKASI DAN FENOLOGI KOLEKSI Canarium hirsutum Willd. DI KEBUN RAYA BOGOR

Abstract

Canarium cf. hirsutum, Bogor Botanic Gardens collection in vak Z.200–200a, originating from North Sulawesi, has a morphological character that is different from other Canarium species. The different morphological characters are the presence of brown and sharp feathers on the leaf stalks, leaf blades, buds, and rind. These two collections also have no stipules and have deciduous leaves. this research aimed to obtain a valid species name from Canarium cf. hirsutum in vak Z.200 and 200a and their phenological data. The identification was carried out observatively, with observations on the morphological characters of leaves, stems, flowers, and fruit, as well as flower anatomy. Furthermore, it is compared with specimen type, protologue, herbarium, and literatures. From the reidentification results, both plant collections are Canarium hirsutum Willd. These collections are dioecious, female trees at Z.200a and male trees at Z.200. The fallen leaves, twice a year in February to March and September to October. Shedding of leaves occurs for 1–2 months, and without leaves for 7–10 days. Female tree produces flowers four times and bears fruit twice. Male tree produces flowers twice. Young fruit appears 35 days after flowering appears. The development of fruit to harvest is for 10 months. Seed germination of five seeds from 18 fruits (27.7%) sown in March 2020, 44–93 days after sowing. Further research is necessary, especially related to the character of male and female flower structure, pollen beads, and repentiveness of the pistil.