Fruiting body: hair like; 5 –15 mm tall, 0.5 – 1.5 mm wide; lower part black, minutely hairy, upper part fertile white powdery.

Stipe: irregularly cylindrical; minutely hairy; black; insititious.

Flesh: tough.

Spore print: black?

Spores:

Notes: this Xylaria is very fine and grows on leaves.