Description
Fruit bodies begin as spherical, closed globules, before expanding. The smooth, bright yellow fruit bodies are small—typically less than 3 mm (0.12 in) in diameter and up to 1 mm (0.04 in) high—and shallowly cup- or disc-shaped. The inner surface is smooth, and bright yellow, while the outer surface is a paler yellow. In mass, the spore color is white. The stalk is broad, pale yellow in color, and short to nearly absent; when present it is rarely more than 1 mm. The fruit bodies may be so numerous that their shapes are distorted by overcrowding. Fruit bodies that have dried are wrinkled and have a dull orangish-brown color. The fruit bodies have no distinctive taste nor odor, and are not edible.
The smooth spores are roughly elliptical, measuring 8–14 by 3–5 μm; in maturity they have one cross-wall, and oil drops at either end. The asci (spore-bearing cells) measure 100–135 by 7–10 μm. The paraphyses are shaped liked narrow cylinders with diameters up to 1.5 μm, and have tips that are rounded or somewhat club-shaped. β-Carotene is the predominant pigment responsible for the yellow color of the fruit body.
Read more about this topic: Bisporella Citrina
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