舌状花

外源NH4~+对非洲菊舌状花着色与生长的影响

Effects of Exogenous Ammonium on the Pigmentation and Growth in Gerbera hybrida Ray Floret

花青素苷不同分支途径产物在花序发育不同阶段舌状花中的积累模式均呈现先上升后下降的趋势。

The accumulation pattern of different branch pathway outcomes at different developmental stages showed a trend of increased first and then decreased .

地中海两年生草本植物，有长茎的紫色舌状花、乳白色树汁和可食用根；已被美国广泛种植。

Mediterranean biennial herb with long-stemmed heads of purple ray flowers and milky sap and long edible root ; naturalized throughout United States .

低温下2个寒菊品种不同开放期舌状花生理指标变化及其抗寒性差异低温处理对裸仁南瓜幼苗抗寒性指标的影响

Effect of Low Temperature on Physiological Indexes of Ray Florets in Winter Chrysanthemum at Different Flowering Stages Study on Cold Resistance of Cucurbita moschata Seedlings under Low Temperature

大丽花花芽分化形态变化过程，可分为营养锥阶段、生殖锥阶段、总苞分化阶段、舌状花分化阶段、管状花分化阶段5个时期。

The morphodifferentiation of dahlia flower bud is divided into five stages : vegetative cone , reproductive cone , involucre differentiation , half flourish differentiation and tubular flower differentiation .

结果表明：淡紫松果头状花序，盘心花黑紫色，盘边舌状花，花萼4轮，花梗有棱样突起，数多，上面密被有非腺毛，气微味淡；

The results showed that Echinacea is capitulum , discal flower is dark-violet and liguliform , its calyx is 4 , its pedicel has non-glandular hair and main root is cylindrical .