holdfast -- Anchoring base of an alga.
homosporous -- Producing only one size or kind of spore. Contrast with heterosporous.
hypha -- n.Threadlike filaments that form the mycelium (body) of a fungus; hyphae- pl.
(Gr. haptein, to fasten) holdfast, specialized root-like projections that function to anchor a plant.hastate search for term- a. (L. hasta, spear) spear shaped, more or less triangular with the two basal lobes divergent.
These deciduous vines spread by attaching themselves with aerial roots and holdfasts. The aerial roots grip rough surfaces, such as tree bark or trellises, and weave across the entire surface.
Some vining vegetable plants naturally have tendrils or so-called holdfasts to support their stem's weight.
Boston ivy fastens itself to a surface with adhesive, suckerlike pads called holdfasts. They cause no harm to brick, stone, or stucco, but can hold moisture against wood surfaces, contributing to its decay.
Among the most intrepid are species that climb by using aerial rootlets and species like Virginia creeper (Parthenocissus quinquefolia) that have holdfasts, little suction cups that grab onto walls and other surfaces.
 See also: Plant, Flower, Root, Water, Spring
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