(In Euphorbiaceae) small stem at (around) ground level, arising from rootstock, from which annual stems arise;
(In Orchidaceae, derived subfamilies of Apocynaceae) a stalk connecting the pollen-masses;
In an orchid flower, a slender, mealy or elastic extension of the pollinium, or a mealy portion at one end of the pollinium, produced within the anther (Dressler, 1993).