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A positive reaction of Schaeffer's test, which uses the reaction of aniline and nitric acid on the surface of the mushroom, is indicated by an orange to red color; it is characteristic of species in the section Flavescentes. The compounds responsible for the reaction were named schaefferal A and B to honor Schäffer. [3]
An umbo is a raised area in the center of a mushroom cap. Caps that possess this feature are called umbonate . Umbos that are sharply pointed are called acute , while those that are more rounded are broadly umbonate .
The stem is up to 12 cm (4 + 3 ⁄ 4 in) tall, 1–3 cm (3 ⁄ 8 – 1 + 1 ⁄ 8 in) thick, [9] and swollen toward the base. The stem surface is red or yellowish with red lines, often white or yellow at the base, and solid (that is, not hollow), with fibrous flesh; in maturity the stem ages to yellowish-red to dark red. [ 10 ]
Here’s how to identify the death cap. Shaun Goodwin. October 5, 2022 at 6:00 AM. ... One of the most noticeable features of any mushroom in the Amanita genus is the universal veil, a membranous ...
A 2008 molecular phylogenetic study clarified the relationships among the mushroom-forming species of the family. [15] The authors demonstrated the existence of four distinct lineages of gilled mushrooms, which led to the description of Multifurca as a new genus separated from Russula [15] and the segregation of Lactifluus from Lactarius. [16] [17]
Agaricus silvicola, also known as the wood mushroom or woodland agaricus, [1] is a species of Agaricus mushroom related to the button mushroom. A. silvicola is a member of Agaricus section Arvenses , a group of morphologically similar mushrooms. [ 2 ]
The stem is 3 to 5 cm (1.2 to 2.0 in) long by 1.5–2.5 mm thick, and equal in width throughout its length. It is attached to its substrate (wood or sticks) by a grayish mat of mycelium. [2] It is not known if the mushroom contains psychoactive compounds like psilocybin or psilocin. [4] The spore print is purple-brown.
Mushroom motifs now decorate all kinds of things: tea towels, toddlers’ sweaters, table lamps. But when interest extends beyond mushroom stuffies to the real stuff, people really need to be careful.