Baobab
Transcription
Baobab
Baobab Bombacaceae Adansonia digitata Common Names Baobab, monkey-bread tree, dead-rat tree, cream-of-tartar tree (En); calebassier du Sénégal, arbre de mille ans, pain de singe (Fr); baobab, árbol botella (Sp); 猢猻木 (Cn) Plant Distribution Tropical Africa, Indian Ocean islands, Arabian Peninsula Botanical Features Deciduous tree to 20-25 m; trunk stout to 10 m in diameter, branches short, leafy at the ends; leaves palmately compound; petiole up to 16 cm long; leaflets 5-7, oblong, to 15 cm, acuminate, entire, sessile or shortly stalked; flowers on long peduncles to 20 cm in diameter, white; fruit woody, indehiscent capsules, globular to egg-shaped or cylindrical, 10-30 cm, many-seeded; seeds 1.5 x 1.0 cm, smooth, dark brown to black, with thick seed coat; hypogeal germination. Growth form 44 Environmental Factors Light requirement: full sun; photoperiod: day-neutral; temperature requirement: hot; preferred soil type: sandy; tolerance: acid and calcareous soils, drought, heat, flooding; sensitivity: frost. 10day-old seedlings Leaves 45 Production Methods System: container planting, sapling nursery, individual tree; planting material: seed pretreated with boiling water for 6 minutes or sulfuric acid for 8 hours, stem cutting; planting method: direct with seed, transplanting with cutting; irrigation: moderate; crop management: free standing, trimming to encourage leaf production; planting to 1 st harvest: 50-70 days for leaves; harvesting: repeated removal of leaves on 50-cm saplings. Flower Fruit Tender shoots 46 Edible Parts Young leaves and tender shoots are eaten raw, boiled or stir-fried, or dried and powdered to thicken soup and sauce. Flowers are also eaten raw, and seeds raw or roasted to thicken soup, or fermented. Health Values Beta-carotene: medium; vitamin E: medium; riboflavin: medium; folic acid: medium; ascorbic acid: extremely high; calcium: high; iron: medium; protein: 3.6%. Leaves contain mucilage, and older leaves develop tannins. Seeds Field production 47