Category: H

(In a seed or seedling) that part of the main axis below the junction of the cotyledons but above the radicle. The part of a seedling below the cotyledons and above the roots.  

(In an orchid flower) the basal part of a lip that is divided into two or three distinct parts. In the Helleborines (part of t he Orchid family), the (often cup-shaped) inner segment of the lip of the flower.  

With a single main vein, all other venation absent or invisible.  

Individual filaments of a fungal body. Minute tubular structures forming the mycelium and fruiting bodies of fungi. In botany, threadlike structures that compose the plant body of a fungus.  

Inflorescence with enlarged, fleshy receptacle bearing the flowers on its surface; can be almost circular and hollow with a small opening (as in Ficus) or slightly concave (as in Dorstenia).  

Hairs that react to the presence or absence of water by movement, or by turning slimy.  

Plant adapted to permanently damp (not wet) conditions, aquatic plant; Submerged or floating water plant, spending the adverse season on the bottom of a pond, river or lake.  

Moisture-loving, growing in wet or damp sites.  

Adapted to permanently flooded or waterlogged conditions.