At least, they had four legs, hooves, and two delicately curved, unbranching horns on their heads.    From Wordnik.com.  [Owlflight]

Stem long, leafless, and unbranching, bearing a single blossom.    From Wordnik.com.  [Flower Stories] Reference

The tall, unbranching gray spruce-trunks rose round it like the pillars of a colonnade.    From Wordnik.com.  [Tenting To-night A Chronicle of Sport and Adventure in Glacier Park and the Cascade Mountains] Reference

When subjected to the mildly denaturing conditions of pH 5.3 and 60°C, the aggregates form amyloid protofibrils and after one week are able to form long, linear and unbranching amyloid fibrils.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

By one week, fibrils that show the characteristic morphology of amyloid had appeared, with a diameter of 15. 4±0.7 nm (SD) and a straight, unbranching structure (.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference