cymules

At least distal cymules without a stalk, proximal cymules rarely stalked.

Flowers in an irregular thyrsoid, most cymules shortly stalked, usually 3-flowered, densely glandular villous.

In extreme forms, 2-flowered cymules can be difficult to locate.

Flowers in a thyrse; cymules 1- to several flowered.

Inflorescences unbranched, with 1 or 2 cymules; leaves thin papery.

cymules opposite, proximal ones usually with more than one flower, distal ones with a solitary flower;

Inflorescence an irregular thyrsoid with long stalked, usually 3-flowered cymules;

Cymules solitary or in aggregates at apex of each branch, 2-flowered;

Inflorescence an irregular elongate thyrsoid with (short-and) long stalked densely 3--7-flowered cymules;

Male flowers: solitary, rarely in cymules of 2 or 3 at inflorescence base, sessile;

Male flowers: usually solitary, rarely in cymules of 2--4, sessile or subsessile;

Male flowers: in shortly pedunculate cymules of 2--5;

Male flowers: usually in lax cymules of 2--5;

Male flowers: in dense cymules of 2--4(--6), rarely solitary;

cymules ca. 2 cm, 1-3 together at apex of young branchlet;