Minus-end microtubule-dependent motor protein involved in the regulation of cell division and trichome morphogenesis. Possesses basal and microtubule-stimulated ATPase activities. {ECO:0000269|PubMed:14688294; ECO:0000269|PubMed:8636137; ECO:0000269|PubMed:9177205; ECO:0000269|PubMed:9634584; ECO:0000269|PubMed:9712269}.