Study on the Morphological Structure and Growth Period of Limonium aureum(L.)Hill
In order to clarify the morphological structure and growth period of Limonium aureum so as to master its growth and development in the Hexi region,and provide a basis for its artificial cultivation,experimental studies were conducted using microscopic observation,germination experiments,and artificial planting methods.The results indicate that the inflorescence axis of Limonium aureum is single or clustered,and the top is accompanied by a spike like inflorescence.On the spike like inflorescence,there are 3 to 5 spikelets,which are composed of 3 small flowers.A small flower consists of a stem and a corolla.Each small flower contains one seed,which is located inside a funnel-shaped corolla.The thousand-seed weight of Limonium aureum is 0.687g,and the seed is composed of embryo,endosperm,and seed coat.It is a dicotyledonous seed with endosperm.The water absorption capacity of Limonium aureum seeds is 69.0% of the weight of dry seeds,and the fastest water absorption occurs within 1 to 2 hours.The germination rate and germination potential of Limonium aureum seeds are 96.0% and 57.7%,respectively.It can bloom and bear fruit in the first year of planting,but the nutritional growth period is longer than the second year.This study indicates that the seeds of Limonium aureum are dicotyledonous seeds with endosperm.After 8 hours of water absorption,the seeds are saturated and begin to sprout without dormancy.They can bloom and bear fruit when planted that year.
Limonium aureumMorphological structureSeedFlowerPhenological period
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