One of several similar looking puffballs found in a beech forest, the other been Calostoma fuscum that  has a much longer stipe then C. rodwayi. Although this may not be the best way to tell them apart.

A striking gasteroid fungus with a brightly coloured peridium perched on a gelatinous stipe. The spore sac is globose, typically red, orange, or yellowish, often with darker mottling. At maturity it develops a star‑shaped or slit‑like apical opening through which spores escape. The stipe is translucent, gelatinous, rubbery, sometimes chambered, and usually pale orange to whitish. Gleba brown to olive‑brown, powdery when mature.

Size: Peridium 10-25 mm across; stipe 20-60 mm long, 3-8 mm thick.