- The hand-orchis, Orchis maculata: so named from its pale hand-like tubers. The name can also be directed at various other species of Orchis and also to another plants.
- An alcyonarian or halcyonoid polyp associated with purchase Alcyonaceæ, family members Alcyoniidæ, and genus Alcyonium, as A. digitatum. Also known as cow-paps and mermaid's-glove. See Alcyonium.
- the fruiting systems for the fungi of this genus Xylaria