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trianglelobe moonwort
Scientific Name: Botrychium ascendens
Family: Ophioglossaceae
Category: Fern
Growth: Forb/herb
Duration: Perennial
Other Names: WA (triangular-lobed moonwort)
Triangle-Lobe Moonwort (Botrychium ascendens)
Botrychium ascendens, commonly known as triangle-lobe moonwort or upswept moonwort, is a fascinating fern species found in North America.
Considerations for Pets and Children
- The plant has lobes which can be triangular and/or oblong.
- The blade is fleshy and persists for several months.
- The plant is sometimes found in home gardens.
Taxonomy and Nomenclature
- Scientific Name: Botrychium ascendens W.H. Wagner
- Common Names: Triangle-lobe moonwort, upswept moonwort, trianglelobe moonwort, upward-lobed moonwort, triangle moonwort.
- Family: Belongs to the genus Botrychium, which includes moonworts, grapeferns, and rattlesnake ferns.
- Kingdom: Plantae
- Synonyms/Related Species: Mentions Botrychium lineare, Botrychium crenulatum, Botrychium lanceolatum, Botrychium hesperium, Botrychium simplex, Botrychium pinnatum, and Botrychium minganense.
Distribution and Habitat
- Native to North America, ranging from British Columbia to northern regions.
- Found in eastern Canada and New Mexico.
Morphological Characteristics
- The blade is dark green and fleshy.
- Appears in late spring or early summer and can last into October.
- The sterile leaf can be broadly deltate (triangular) in outline.
- The sterile leaf is bluish green.
- Leaves are 2-3 times divided, triangular in outline, up to 20 cm.
- Pinnae and lobes are well separated and mostly parallel sided.
- Fertile segment measures 3.7 (1-6.5) cm.
- Pinnae lobes can be lanceolate.