1.Corolla salverform, tube cylindric, dilated at staminal insertion, lobes overlapping to left or to right.
高脚碟状的花冠，圆筒状的筒部，膨大在插入，裂片重叠朝把或留给的右边。
2.They belong to staminal nectaries. The nectaries consist of epidermis and nectariferous tissue.
蜜腺由分泌表皮和泌蜜组织构成，属于结构蜜腺。
3.anthers numerous, on outside of staminal column only, nearly sessile.
花药多数，在除雄蕊柱外只上，近无梗。
4.Corollaceous weak pink, inside have purple spot, staminal filament does not have wool.
花冠淡粉红色，内间有紫色斑点，雄蕊花丝无毛。
5.anthers 8, alternate with lobes, oblong, included in staminal tube with only apical tip slightly protruding.
花药8，与裂片互生，长圆形，内藏于雄蕊管唯顶端部稍突出。
6.petals 5, red or crimson-red, bases auriculate, remaining appressed to staminal column.
花瓣5，红色的或深红色红，基部耳形，保持紧贴于雄蕊柱。
7.anthers below teeth, on outside of staminal column only.
花药在齿下面的，仅在雄蕊柱外。
8.Stamens 8, forming an open staminal sheath glabrous inside and split at top into 8 very short free filaments.
雄蕊8，形成里面无毛的开放雄蕊鞘，顶部分裂为8枚很短的离生花丝。
9.Calyx 5-lobed, connate at base, coherent with staminal column at base.
花萼5浅裂，在基部合生，与雄蕊柱在基部连着。
10.Petals 3-5, short, concave, quincuncial or imbricate in bud, distinct or rarely basally connate and adnate to staminal tube.
花瓣3-5，短，凹，在芽中覆瓦状或梅花形，离生或很少基部与雄蕊管合生和贴生。