Popular names - English: Areca, Areca-nut, betel nut palm, French: cachou falling within subheading, Arequier, German: Betelnusspalme, Guam: pugua, India: Pan, Spanish: catechou hand, Yap: bu.
Areca catechu - originating in eastern Africa, southern Asia and the Pacific Islands. Grows in tropical climates at altitudes from 0 to 900 m.
Areca, was first described by Theophras in file 340 by species cultivated in India and Sri Lanka, Thailand, Malaysia, and Philippines.
Areca catechu - a palm is monoecious, with a single trunk, grows up to 30 m high and 25-40 cm diameter. The roots are dense, fibrous. Fronde pinnate-compound 1 to 1.5 m long, 30-50 Folio, lanceolata, 30 to 70x 3 to 7 cm. Unisexulae flowers with male and female flowers on the same blossom. Blossom panic, very branched. 6 tepale flowers, Sesia, creamy white, fragrant, flowers are small men, 6 stamens, female flowers are 1.2 to 2 cm long. Blooms in November-February. Fruit drupe, ovoid, 5-10 x 3-5 cm, yellow, orange when they are ripe, pericarp fiber. Seeds ovoid, global, or ellipsoidal, 3-4 x 2-4 cm. 2n = 32
Growth rate - moderate, 0.5 m per year. Longevity - 60-100 years.
Culture - annual rainfall needs Areca catechu are 1500-5000 mm / year. The maximum temperature is 38 ° C and minimum temperature is 16 ° C. Grows on clay-clay soils, well drained, grow and on calcareous soils. Soil acidity - pH 5.0 - 8.0. Tolerate drought. Prefers sunny exhibitions after the last juvenile period. Not tolerate soils with high salinity. Low tolerance towards the wind. The land around the trunk is mulceste adventitious roots to encourage growth.
Propagation - seeds germinate in 90 days after sowing, the germination rate is 90%. It needs 3-24 months before being transplanted in the nursery, and after another 1-2 years can be planted in place permanently. An adult palm produces about 8.12 leaves per year. Build starting from 4-6 years. Female flowers open first. Ripening fruit is carried out after 8.9 months.
Cultivation and varieties - A. catechu var. silvatica, A. catechu var. batanensis, A. catechu var.deliciosa, A. catechu var. longicarpa.
Pests and diseases - Phytophthora arecae, Ganoderma lucidum, Exosporium arecae, Gloeosporium catechu, xiphinema pins.
Medicinal properties and use - Philippines flowers are added to salads.
A root decoction is used to treat inflammation of the lips. The fruits are astringent properties, diuretic, digestive, aphrodisiac and anorexia. Fruit juice in small quantities has properties laxatives. Powder from seed is antiseptic.
Alfred Barton Rende - The Classification of Flowering Plants - Cambridge University Press, 1930
Bennett Alan Weinberg, Bonnie K. Bealer - The World of Caffeine - Rotledge, 2002
James A. Duke - Handbook of Nuts - CRC, 2000
Kirsten Albrecht Llamas - Tropical Flowering Plants - Timber Press, 2003
Narayan P. Manandhar, Sanjay Manandhar - Plants and People of Nepal - Timber Press, 2002
Orient Longman - Indian Medicinal Plants - South Asia Books, 1994
Robert Lee Riff - Timber Press Pocket Guide to Palms - Timber Press, 2008
Shih-Chen Li - Chinese Medicinal Herbs - Dover Publications, 2003
Trees and shrubs
Alnus incana (L.) Moench - white alder
Mano tree or shrub that can reach 20 m, with stem often crooked, crown with branches thick, upward, lush foliage, lujerii in young gray, pubescent. Bark smooth, shiny, whitish gray, the old copies, to the base with shallow cracks. Wide elliptical leaves up to ovata, by 4.10 cm long, 4-6 cm wide, rounded to the double needle and lobe, pointed, gray green face, white inside gray, furry, ready alternative.
African Sparmannia - shrub or small tree, native of southern Africa, as a species grown across the globe or outdoor ornamental pot.
Salix reticulata is a shrub alpine areas grows, from 1800-2700 m altitude in association with Silene acaulis and Dryas octopetala.
Ceratonia siliqua L.
Dioecious tree, 8 meters high. Body iregulat, erect with the latita. Gray-brown bark with longitudinal fissures. Vast and dense crown. The branches are fine young tomentoase become glabrata with timpu. Leaves persistent, alternate, paripenat-compound, with 2.5 pairs of Folio, ovata, coriacee, margin entire, glossy dark green on the upper
Paraensis Alstroemeria sp. November.
Ornithogalum umbelatum L. - balusca
Bulbous perennial species. Basal leaves semi-erect, linear, ribbed white-silver center, 25-30 cm long. Raceme with 6-20 corymb blossom type flowers, 2 cm diameter; tepale white with green on the outside, 6 stamens, 1 pistil.
Hyacinthus orientalis - bulbous perennial with linear to lance-shaped, channeled, bright green leaves, 15-35 cm long. Is classified as an ornamental, and is native to the Mediterranean region. The essential oils found only in the flowers have been used in cosmetics and soap fragrances.
Anthurium amnicola - herbaceous perennial, epiphytic, originally from Panama, rainforest grows from 600 to 900 m altitude.