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
Evergreen shrub, 2-3 m high, stem thin, highly ramified, almost glabru. Leaves alternate, petiolate, membranous, paripenat compound, 2-3 pairs of folio; stipele linear, obsolete, or oblong-folio oblonga lanceolata, 5 x 1 cm, top acute or obtuse, base round and asymmetrical, the ventral green, glabra .
Palm mono, with one strain. Trunk erect, gray, 20 m high and 50 cm in diameter. Paripenat-leaves are compound, folio 200-250 pairs of linear-lanceolata. 4,5-5,5 m long Frondele and stalks are covered quarter length. Foliolele have 1,5-5 cm wide. Ribbed rachides may be green or bronze.
Diospyros kaki L. - Khaki
Monoecious tree, 6-12 m high. Trunk erect, conical crown, brown bark is exfoliating in small plates. Leaves fell, coriacee, alternate, language oval-elliptic, margin entire, top acuminata, the attenuated, shiny green on top and pubescent towards the bottom, 7-20 x 4.10 cm, petiole 1-1.5 cm long.
Herbaceous perennial. Rhizome long, soft, or short and nodosa. Stem 1 m tall, sterile stems short. Leaves alternate, short stalks, lamina linear - ovata, margins entire, nervatiune parallel. Blossom terminal umbela-loose.
Genus name comes from Prince Raimondo di Sangro (1710-1771) of San Severo, born in Naples, Italy. In 1753 Carl Linnaeus in Species Plantarum, including the genus Sansevieria in Aloe. Sansevieria genus was stabilized by Thunberg in 1794 described the second species, S. thyrsiflora and S. aethiopica.
Commelina communis - grows naturally in East Asia, prefer shade and moist forests in 0-6000 altit.
Commelina genus species is often confused with species of the genus Tradescantia, both belonging to the same family, Commelinaceae. Commelina flowers genre has two large petals and a small petal, flowers from three species of Tradescantia petals are equal in size.
Lilium bulbiferum - bulbous species, native to Europe, growing in mountain and submontane grasslands and forests from 500-2200 m altitude. Cultivated as ornamental species on all continents.
Aloe vera Mill.