02
Feb
2009
Areca catechu L.
Trees and shrubs | Liliopsida

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.

Areca catechu be confused with merrillii Veitch. Veitch has merrillii thicker trunk and red fruits.

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.

References

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

See also
Top
Trees and shrubs
Malus floribunda Siebold

Deciduu tree of 4.10 m high, native of Japan. Bark smooth, red-brown to gray on older branches is gray-brown. Floriferi buds are red. Leaves ovat-elliptic, alternate, deeply marigini soirees, ribbed, dark green in summer, yellow fall, 4-8 cm long, pinnate nervatiune.

 
Maclura tricuspidata

Maclura tricuspidata - native to North America, used as an ornamental species, used for protection curtains.

 
Quillaja saponaria

Evergreen tree, 15-20 m high. Leaves simple, alternate, coriacee, limb oval edge gear, 2.5-5 cm long, short stalks. Flowers arranged in dense corymb, hermaphrodite, pentamere, white, 1.5 cm in diameter, calyx of 5 SEPA. Fruit capsule, containing 10-20 seeds.

 
Ilex perado

Ilex perado - small tree, port pyramidal, evergreen. Originally from the Canary Islands, dense forests grow in the Aqua Garcia, in association with Apollonias barbujana, Arbutus canariensis, Laurus Azores, Myrsine canariensis, Ocotal foetens, Persea indica, Prunus Lusitania subsp. hixa, Visna mocanera.

 
Schinus molle

Schinus molle - evergreen tree, 3-15 m tall. Originally from Argentina, Bolivia and Peru where it grows from 0 to 2400 m altitude. Cultivated soil erosion, but also as ornamental species, or bonsai.

 
Liliopsida
Agapanthus species. Cultivation and maintenance

Popular name for Agapanthus: English - Lily of the Nile, Africa - agape, Zulu - ubani.

Agapanthus has been described for the first time in 1679 and was named by L'Heritier in 1788. The name derives from the Greek 'agape' - love and 'anthis' - relating to flower

 
Four new species of Maranta L. Marantaceae in Brazil

Family Marantaceae species are distributed, the majority of 80% in tropical regions, 11% in Asia and 9% in Africa (Hammel, 1986). The family includes about 530 species and 31 genera, are the most widespread genus Calathea.

 
Encyclia Hanbury (Lindley) Schlechter, 1914.

Herbaceous perennial, evergreen. Pseudobulb 8 x 4 cm. 1.2 leaves, elliptic-lanceolata, or elliptic-oblong, obtuse, 23 x 3 cm. Raceme blossom or panic, 100 cm long, 15-35 flowers, flower 5 cm diameter.

 
Commelina communis

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.

 
Anthurium amnicola

Anthurium amnicola - herbaceous perennial, epiphytic, originally from Panama, rainforest grows from 600 to 900 m altitude.

 
   Add to iGoogle
Last posts

Categories

Links