Dictionary » G » Genus



noun, plural: genera

(general) A class or group with common attributes.

(biology) A taxonomic category ranking used in biological classification that is below a family and above a species level, and includes group(s) of species that are structurally similar or phylogenetically related.


In binomial nomenclature, the genus is used as the first word of a scientific name. The genus name is always capitalized and italicized. In order for a genus to be descriptively useful, it must have monophyly, reasonable compactness, and distinctness.

Word origin: from Latin genus "descent, family, type, gender").

Related forms: generic (adjective).

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Coral mushroom

A 10% solution of ferrous sulfate tinted the mushroom's tissue greenish at the tips, confirming the genus Ramaria. So far I've tried it sauteed with butter and garlic and also stir-fried with bitter melon. Both preparations were delicious.

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by jonmoulton
Fri Nov 22, 2013 4:53 pm
Forum: Microbiology
Topic: Coral mushroom
Replies: 1
Views: 412

Help with unknown

... Here is the list of possibilities: Neisseria lactamica Pseudomonas flourescens Pseudomonas aeruginosa Burkholderia/Pseudomonas caryophylli (new Genus designation & previous- will find info under both) Alcaligenes faecalis Alcaligenes latus Enterobacter aerogenes Enterobacter cloacae Serratia ...

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by kayleighat
Sun Oct 20, 2013 2:43 am
Forum: Microbiology
Topic: Help with unknown
Replies: 0
Views: 1377

Bacterial Taxonomy

... of Firmicutes, Actinobacteria, or a deeply branching phylum. Virtually all members of Firmicutes or Actinobacteria stain as Gram-positive , but genus Veillonella is an exception, staining as Gram-negative rods. Oh nevermind, Wikipedia says they're cocci ? I thought Clostridians were rod-shaped!!! ...

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by wildfunguy
Sat Oct 19, 2013 6:12 pm
Forum: Microbiology
Topic: Bacterial Taxonomy
Replies: 3
Views: 1530


... right? I don't know. I haven't learned about Homo evolution yet. The idea is only speculative, but it seems reasonable to me. I don't know our genus history, so the following is only hypothetical. Suppose we have a single population of primitive Homo being exposed to drastically different environments ...

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by wildfunguy
Sat Oct 19, 2013 3:13 pm
Forum: Evolution
Topic: Is complexity inevitable?
Replies: 16
Views: 4647

Living or not? (viruses,viroids and prions).

Apparently the chlamydias and genus Rickettsia share some characteristics with viruses. They're no ordinary parasites, they're obligate intracellular parasites , entering inside the cells of their hosts as a requirement for survival (thus ...

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by wildfunguy
Thu Oct 17, 2013 10:20 pm
Forum: Microbiology
Topic: Living or not? (viruses,viroids and prions).
Replies: 15
Views: 4548
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