1.Inflorescences axillary, rarely terminal, cymose, rarely thyrsoid.
花序腋生，很少顶生，聚伞状，很少聚伞圆锥状。
2.Flower clusters axillary, those of terminal clusters erect spikes or complex thyrsoid structures.
花簇生腋生的，顶端簇生直立穗状花序或复合聚伞圆锥花序结构的。
3.Flowers in an irregular thyrsoid, most cymules shortly stalked, usually 3-flowered, densely glandular villous.
花生于一不规则聚伞圆锥状，通常，大多数小聚伞花序具短柄花，浓密具腺具长柔毛。
4.7 (6) Inflorescences complex thyrsoid structures, flowers unisexual.
花序复合聚伞圆锥花序结构，花单性。
5.Spikes terminal, 0. 8-2 cm, later arranged into short complex thyrsoid structures. Flowers small.
顶生的穗状花序，0.8-2厘米，过后排列为短复合体聚伞圆锥状结构。
6.inflorescence dense, terminal, basically thyrsoid but varying to a tight raceme or capitulum;
紧密的花序，顶生，基本上聚伞圆锥状但是随着紧总状花序或变化；
7.Flowers unisexual, on same plant or not, sessile, clustered at axils and at apex, in solitary or complex thyrsoid structures;
与否单性的花，在相同植株上，无梗，簇生在腋和在先端，在单生或复合聚伞圆锥花序结构；
8.Complex thyrsoid structures terminal, erect, cylindric, ca. 25 cm, 1-2. 5 cm in diam. , branched or not, composed of many spikes;
复合聚伞圆锥花序结构顶生，直立，圆筒状，约25厘米，1-2.5厘米直径，分枝与否，由很多穗状花序组成的；
9.Inflorescence an irregular thyrsoid with long stalked, usually 3-flowered cymules;
花序一不规则聚伞圆锥状具长柄，通常花；
10.Inflorescence an irregular elongate thyrsoid with (short-and) long stalked densely 3--7-flowered cymules;
花序一不规则浓密拉长聚伞圆锥状具（短和）长柄3-7花小聚伞花序；