向日葵俗称葵花、葵花籽、日头花、太阳花,为菊科一年生草本植物,原产美国西部,系Helianthus属67种中之一种,包括有野生种、杂草种及栽培种三种。向日葵此名乃直接取自它的属名Helianthus ,希腊语helios意为太阳,anthos意为花。
Helianthus annuus
Common Sunflower . To 12 ft. (3.5 m) high. Flowers in heads to 1 ft. (30 cm) or more across, white, many shades of yellow, orange, chestnut, maroon, or bicolored, the disk flowers purplish brown. Minn. to Wash. and Calif. Small-flowered dwarf forms and double-flowered varieties. Hardy annual.
贴士: 种子播种前以温水浸泡四至六小时,让种子完全吸收水分,而温水则有催芽的作用。
(资料来源 : 网页)
(照片来源 : 小路摄于邻里花园)
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