Noun
erect leafless flower stalk growing directly from the ground as in a tulip
Source: WordNetPropagation Propagation of sisal is generally by using bulbils produced from buds in the flower stalk or by suckers growing around the base of the plant, which are grown in nursery fields until large enough to be transplanted to their final position. Source: Internet
When growth of the flower stalk stops and the flower is mature, the heliotropisms also stops and the flower faces east from that moment onward. Source: Internet