familyOphioglossaceae
genusBotrychium
subgenusBotrychium subg. Botrychium
speciesBotrychium lanceolatum
Botrychium lanceolatum subsp. angustisegmentum
Bull. Torrey Bot. Club 64: 280. 1937.
Common names: Narrow triangle moonwort
Endemic
Basionym: Botrychium lanceolatum var. angustisegmentum Pease & A.H. Moore Rhodora 8: 229. 1906
Synonyms: Botrychium angustisegmentum
Treatment appears in FNA Volume 2.
Plants slender. Leaf base, including sheath, to 0.7cm diam., usually swollen only 1–3 times width of common stalk (dried). Common stalk dark brownish green, trophophore blade dark green, very shiny. Segments narrow, ultimate lobes narrowly linear-oblong, 1–2 mm wide, blade tissue thin but firm. Pinnae and lobes mostly sharply pointed. Sporangia 0.7–1 mm diam., slightly immersed, mostly ± separated and exposing sporangiophore midrib.
Phenology: Leaves appearing in late spring or early summer, releasing spores later than most associated species, and dying as late as October.
Habitat: Mainly in shaded woods
Elevation: 0–1200m
Distribution
St. Pierre and Miquelon, Alta., B.C., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., Que., Sask., Yukon, Conn., Ky., Maine, Mass., Mich., Minn., Mont., N.H., N.J., N.Y., Ohio, Pa., R.I., Tenn., Vt., Va., W.Va., Wis.
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Botrychium lanceolatum subsp. angustisegmentum"
pinnate +
ascending +
1-2-pinnate +
dying +
absent +
deltate +
thin +
several +
Narrow triangle moonwort +
unbranched +
not green +
subterranean +
ovate +
mycorrhizal +
fleshy +
absent +
minute +
uniseriate +
scattered +
long +
lacking +
absent +
of widely scattered , long , uniseriate hairs +
clasping +
fused +
dilated +
1-3 times width of common stalk +
successive +
surrounding +
glabrous +
fertile +
distinct +
pointed +
dentate;lacerate +
Leaves appearing in late spring or early summer, releasing spores later than most associated species, and dying as late as October. +
asymmetric +
spreading;ascending +
asymmetric +
photosynthetic +
sterile +
Bull. Torrey Bot. Club +
1937 +
flattened +
not fleshy +
branching +
lacking +
not proliferous +
narrow +
closed +
Endemic +
branched +
embedded +
immersed +
short-stalked +
1-3-pinnate +
high +
1-2.5 times length of trophophore +
arising +
absent +
divided +
sporangial +
high +
common +
flattened +
not fleshy +
upright +
baculate +
network +
delicate +
joined +
Botrychium lanceolatum subsp. angustisegmentum +
Botrychium lanceolatum +
subspecies +
vascular +
dark green +
absent +
arising +
linear-oblong +
anastomosing +
arranged +
free +
terrestrial +
slender +