Scientific Name: Morchella esculenta
CHOICE EDIBLE: Highly prized culinary mushroom, one of the most sought-after wild edibles worldwide. Must be cooked thoroughly for at least 15-25 minutes; raw or undercooked morels contain hydrazine toxins that cause severe gastric upset, nausea, and vomiting. Cooking at temperatures above 160°F (71°C) breaks down toxic compounds. Some individuals experience allergic reactions even when properly cooked; consume small portions on first trial. Avoid alcohol consumption with morels as rare adverse reactions have been documented. Never confuse with deadly false morels (Gyromitra species) which have brain-like caps instead of honeycomb patterns.
Cap 2-10 cm (0.8-4 in) tall, conical to egg-shaped with distinctive honeycomb pattern of ridges and pits; color ranges from pale cream to yellow-tan to yellowish-brown, with ridges slightly paler than pits. Stem 2-9 cm (0.8-3.5 in) tall, 2-5 cm thick, white to yellowish, hollow with granular texture. Entirely hollow from cap tip through stem base when sliced lengthwise. Spore print cream to pale yellow.
Habitat: Found under hardwoods including ash, elm, apple, aspen, and cottonwood trees, occasionally with conifers like white pine. Favors old orchards, disturbed ground, recently burned areas, and woodland edges. Prefers moist but well-drained soil with higher lime content. Often fruits prolifically under dying elm trees and in abandoned apple orchards.
Region: Northeast, Mid-Atlantic, Midwest, Great Lakes, Southeast, Rocky Mountains, Pacific Northwest
Spring (March-June in most regions, with peak fruiting in April-May). Emergence typically coincides with soil temperatures reaching 50-55°F (10-13°C) after spring rains or snowmelt. Southern regions fruit earlier (March-April), while northern areas and higher elevations may fruit later (May-June).
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