园林花卉学复习(国外英语资料).docVIP

园林花卉学复习(国外英语资料) Can not stand strong direct light, the growth period generally requires 50-80% shade environment conditions 28. false bulbs: a metamorphosis of subterranean stems, having scalelike leaves, such as Cymbidium 29. perennial flowers; underground part of normal morphology, no metamorphosis, such as peony 30. flower bulbs; underground abnormal hypertrophy, such as narcissus 31. annual flowers; a plant that completes life during a growing season The 32. biennial flowers; life official plants in the two growing season 33. spring flowers; also called the annual flowers, which is planted in the spring, summer and autumn flowering, and then withered, such as Zinnia 34. autumn flowers; and biennial flowers in autumn sowing, next spring or summer flowering, such as dry blue plumage. 35., semi hardwood cuttings; cuttings should choose a more substantial part; if the branches are too tender, should be abandoned to the branches, and retain the next branch of standby, such as rose 36. cacti: usually spiny stems on metamorphosis stems whose size and arrangement vary according to species 37. succulent plants succulents; namely, water storage parenchyma of the stems and leaves of plants, is showing hypertrophy of succulent plant like. 38. the phenomenon of doubling; many growth points formed by doubling. And laterally develop into a continuous line into a flat fan-shaped strip 39. fossilization; abnormality also known as Rocky Mountain shape or petrochemical, namely all plant bud growth vertebral irregular growth, value, make the edge of the wrong the whole plant, a rock like uneven. The 40. is the bulbils; some plants with special form buds in axils of leaves, such as tiger lily. 41. spring plant; the plant through the stage of vernalization, require low temperature value (5-120C) than the winter plant high, that needs higher temperature to flowering, vernalization and short time, about 5-15 days 42. winter plants; such plants require low temperature during Vernalizat