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
Carica papaya - originally from Costa Rica, USA, tropical to temperate areas, up to 1500 m altitude.
The fruit contains protein, carbohydrates, potassium, phosphorus, vitamin A, vitamin C.
Ginkgo biloba - maidenhair tree
Ginkgo biloba is deciduous tree native to China. Is a hardy tree tolerating a variety of climate and soil types, but not tolerate extreme frost.
Cassia angustifolia - ornamental shrub, belongs to the family Fabaceae, native of northern Africa.
Tree 25 m high. Trunk erect, branched. Ritidom smooth, dark gray. Crown broad, thick, tapered. Leaves persistent, alternate, coriacee, lamina ovat-oblong, acute, entire and slightly wavy edge on the upper side and glossy green color, on the underside is brown-rust, pubescent, ribbed central rib obvious; nervatiuni pinnate secondary.
Allium croaticum Bogdanovic Brullo, Mitic and Salmeri sp.nov. in Croatia
Anigozanthos rufus - Leg of kangaroo
Herbaceous rizomatoasa, Geof, 100-150 cm height. Mate leaves, gray-green, glabra, evergreen, 20-40 x 2-6 cm, margins scabrous. Escape very branched, tomentos. Inflorescences numerous, raceme. Red-purple flowers with pear, rare yellow-orange. Perianth law zigomorfic, lobate, tubular tomntoase, red, 25-35 mm long
Petiole long, brown at the base. Language leaves to ovat ovat-elliptic, top short acuminata, the round or obtuse, dark green on top with green central rib, except nervurii glabra. Blossom terminal, spike side flat, narrow oblong, 15-40 cm long, peduncle 25 cm long, 4,5-6 cm wide, green-yellow bractei
Tahina J. Dransf. & Rakotoarinivo, gender. November. family Arecaceae
Tahina J. Dransf. & Rakotoarinivo, gender. November. Arecaceae family is a new kind of northwestern Madagascar, with one species Tahina spectabilis.
On December 5, 2006, Bruno Leroy, resident and avid Madagascar palm, has posted a picture of an unidentified palm on www.palms.org the International Palm Society.