Botrychium

Botrychium subsp. var.	Moonworts
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Moonworts are seedless vascular plants of the genus Botrychium, sensu stricto. They are small, with fleshy roots, and reproduce by spores shed into the air. One part of the leaf is sterile and fernlike, the other fertile and carrying the clusters of sporangia or spore cases. Some species only occasionally emerge above ground and gain most of their nourishment from an association with mycorrhizal fungi. They are unusual among tracheophytes ("higher plants") in that at least some species produce the sugar trehalose.

The circumscription of Botrychium is disputed between different authors; some botanists include the genera Botrypus and Sceptridium within Botrychium, while others treat them as distinct. The latter treatment is provisionally followed here.

Standard Cyclopedia of Horticulture

Botrychium (Greek, in allusion to the grape-like sporangia). Ophioglossaceae. A genus of mostly temperate plants allied to ferns, with fleshy roots, short underground sts., each of which bears a single free- veined lf., consisting of a short petiole, a usually triangular, divided blade, and a single erect panicle bearing the fleshy sporangia. These plants may be grown in the hardy border, or against a building on the shady side. They require no special treatment. They are little cultivated, but are of interest to the collector or fancier. The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.

Varieties

Botrychium lunarioides in beech/oak forest in northern Florida; March 2003.

The circumscription of Botrychium is disputed between different authors; some botanists include the genera Botrypus and Sceptridium within Botrychium, while others treat them as distinct. The latter treatment is provisionally followed here.

• Botrychium acuminatumTemplate:Verify source – pointed moonwort
• Botrychium ascendens W.H.Wagner – upswept moonwort, triangle-lobed moonwort, upward-lobed moonwort
• Botrychium australeTemplate:Verify source
• Botrychium borealeTemplate:Verify source – northern moonwort
• Botrychium campestreTemplate:Verify source – prairie moonwort, prairie dunewort
• Botrychium crenulatum W.H.Wagner – crenulate moonwort
• Botrychium hesperiumTemplate:Verify source – western moonwort
• Botrychium lanceolatumTemplate:Verify source – lance-leaved grapefern, triangle moonwort, triangle grapefern
• Botrychium lineareTemplate:Verify source – narrow-leaved grapefern
• Botrychium lunaria (L.) Sw. – common moonwort, grapefern moonwort
• Botrychium lunarioidesTemplate:Verify source
• Botrychium matricariifoliumTemplate:Verify source – daisy-leaved moonwort, matricary grapefern, matricary moonwort, chamomile grapefern
• Botrychium minganense Victorin – mingan's moonwort
• Botrychium montanum W.H.Wagner – mountain moonwort
• Botrychium mormoTemplate:Verify source – little goblin moonwort
• Botrychium paradoxumTemplate:Verify source – peculiar moonwort
• Botrychium pedunculosumTemplate:Verify source – stalked moonwort
• Botrychium pinnatum H. St.John – northern moonwort
• Botrychium pseudopinnatumTemplate:Verify source – false northwestern moonwort, false daisy-leaved grapefern
• Botrychium simplexTemplate:Verify source – little grapefern, least moonwort, least grapefern
• Botrychium socorrenseTemplate:Verify source
• Botrychium spathulatumTemplate:Verify source – spatulate moonwort, Spoon-leaved moonwort
• Botrychium ternatumTemplate:Verify source
• Botrychium tunuxTemplate:Verify source
• Botrychium × watertonenseTemplate:Verify source
• Botrychium yaaxudakeitTemplate:Verify source

Gallery

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References

• Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963

External links

• w:Botrychium. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
• Botrychium QR Code (Size 50, 100, 200, 500)