Sow snapdragon seeds on the surface of fine compost in the fall and overwinter in a cold frame or greenhouse. Once seedlings ...
Popular snapdragons belong to a group of species in the Antirrhinum genus native to Europe. They’re called snapdragons (or sometimes dragon flowers) for their resemblance to dragons if you snap off a ...
在南非丰富的生物多样性中,植物的花色变化不仅令人目不暇接,更是反映了它们与传粉媒介互动的精妙机制。最近的研究聚焦于花瓣表皮结构如何在光学效应中发挥重要作用,深入探讨花朵颜色产生的生物学与物理基础。 花瓣的颜色产生机制主要有两种:化学色素和结构色。南非植物在花色上的多样性,往往来自于表皮结构的差异,通过对光的反射和折射来呈现出绚丽的色彩。这种结构色与特定传粉者之间的关系尤为密切,例如,研究表明,花瓣 ...
October and early November is the best time to plant most plants in the Antelope Valley. I like to plant my cool-season ...