Botrychium lanceolatum

(S. G. Gmelin) Angström

Bot. Not. 1854: 68. 1854.

Common names: Triangle moonwort botryche élancé
Illustrated
Basionym: Osmunda lanceolata S.G. Gmelin Novi Comment. Acad. Sci. Imp. Petrop. 12: 516. 1768
Treatment appears in FNA Volume 2.

Trophophore stalk 0–1 mm; blade dull to shiny green to dark green, deltate, 1–2-pinnate, to 6 × 7 cm. Pinnae to 5 pairs, ascending, approximate, distance between 1st and 2d pinnae not or slightly more than between 2d and 3d pairs, linear to broadly lanceolate, entire to divided to tip, margins with distinct lobes or segments, apex acute to rounded, venation pinnate. Sporophores 1–3-pinnate, 1–2.5 times length of trophophore, divided into several equally long branches (all other botrychiums have a single stalk or 1 dominant and 2 smaller). 2n =90.

Distribution

Alta., B.C., N.B., N.S., Nfld. and Labr. (Nfld.), Ont., Que., Sask., Yukon, Alaska, Ariz., Colo., Conn., Idaho, Ky., Maine, Mass., Mich., Minn., Mont., N.H., N.J., N.Mex., N.Y., Nev., Ohio, Oreg., Pa., R.I., Tenn., Utah, Va., Vt., W.Va., Wash., Wis., Wyo., Eurasia.

Discussion

Subspecies 2 (2 in the flora).

Selected References

None.

Key

1 Trophophore blade green to pale yellow-green, broad, coarse, succulent; middle and terminal segments usually more than 2 mm wide exclusive of lobes. Botrychium lanceolatum subsp. lanceolatum
1 Trophophore blade dark green, slender, delicate but firm; middle segments usually less than 2 mm wide exclusive of lobes. Botrychium lanceolatum subsp. angustisegmentum
... more about "Botrychium lanceolatum"
Warren H. Wagner Jr. +  and Florence S. Wagner +
(S. G. Gmelin) Angström +
Osmunda lanceolata +
Triangle moonwort +  and botryche élancé +
Alta. +, B.C. +, N.B. +, N.S. +, Nfld. and Labr. (Nfld.) +, Ont. +, Que. +, Sask. +, Yukon +, Alaska +, Ariz. +, Colo. +, Conn. +, Idaho +, Ky. +, Maine +, Mass. +, Mich. +, Minn. +, Mont. +, N.H. +, N.J. +, N.Mex. +, N.Y. +, Nev. +, Ohio +, Oreg. +, Pa. +, R.I. +, Tenn. +, Utah +, Va. +, Vt. +, W.Va. +, Wash. +, Wis. +, Wyo. +  and Eurasia. +
Illustrated +
Botrychium lanceolatum +
Botrychium subg. Botrychium +
species +