Botrychium multifidum

(S. G. Gmelin) Ruprecht

Bemerk. Botrychium 40. 1859.

Common names: Leather grapefern botryche à feuille couchée
Basionym: Osmunda multifida S.G. Gmelin Novi Comment. Acad. Sci. Imp. Petrop. 12: 517. 1768
Synonyms: Botrychium californicum L.Underwood Botrychium coulteri L.Underwood Botrychium silaifolium C.Presl
Treatment appears in FNA Volume 2.

Trophophore stalk 2–15 cm, 0.3–1.2 times length of trophophore rachis; blade shiny green, plane, ternate, 2–3-pinnate, to 25 × 35 cm, leathery. Pinnae to 10 pairs, approximate to remote, horizontal to ascending, distance between 1st and 2d pinnae not or slightly more than between 2d and 3d pairs, divided to tip. Pinnules obliquely ovate, rounded, margins usually ± entire to shallowly crenulate, sometimes inconspicuously and shallowly denticulate, apex rounded, venation pinnate. Sporophores 2–3-pinnate, 1.2 times length of trophophore. 2n =90.


Phenology: Leaves green over winter, appearing in spring.
Habitat: Widespread mainly in fields
Elevation: 0–3000 m

Distribution

V2 727-distribution-map.gif

Greenland, Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.W.T., N.S., Ont., Que., Sask., Alaska, Ariz., Calif., Colo., Conn., Idaho, Ill., Ind., Iowa, Maine, Mass., Mich., Minn., Mont., Nev., N.H., N.J., N.Y., N.Dak., Ohio, Oreg., Pa., R.I., S.Dak., Utah, Vt., Va., Wash., W.Va., Wis., Wyo., Europe, nw Asia

Discussion

Botrychium multifidum is rather similar to B. robustum (Ruprecht) L.Underwood of Japan, eastern China, and the former Soviet republics. Specimens identified as B. robustum have been collected on Unalaska Island.

Selected References

None.

Lower Taxa

None.
... more about "Botrychium multifidum"
rounded +
Warren H. Wagner Jr. +  and Florence S. Wagner +
(S. G. Gmelin) Ruprecht +
Osmunda multifida +
horizontal +  and ascending +
0 cm0 mm <br />0 m <br /> (25 cm250 mm <br />0.25 m <br />) +
0 cm0 mm <br />0 m <br /> (35 cm350 mm <br />0.35 m <br />) +
Leather grapefern +  and botryche à feuille couchée +
Greenland +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, N.S. +, Ont. +, Que. +, Sask. +, Alaska +, Ariz. +, Calif. +, Colo. +, Conn. +, Idaho +, Ill. +, Ind. +, Iowa +, Maine +, Mass. +, Mich. +, Minn. +, Mont. +, Nev. +, N.H. +, N.J. +, N.Y. +, N.Dak. +, Ohio +, Oreg. +, Pa. +, R.I. +, S.Dak. +, Utah +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. +, Wyo. +, Europe +  and nw Asia +
0–3000 m +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Widespread mainly in fields +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
of widely scattered , long , uniseriate hairs +
denticulate;less entire;shallowly crenulate +
Leaves green over winter, appearing in spring. +
spreading;ascending +
rounded +  and ovate +
epiphytic +  and terrestrial +
spore-bearing +  and laminate +
photosynthetic +
with long , uniseriate hairs +  and glabrous +
Bemerk. Botrychium +
flattened +
not fleshy +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
with corky ridges +  and smooth +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
not proliferous +
sessile +  and short-stalked +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
thick-walled +  and trilete +
1.2 times length of trophophore +
represented by hairy rudiment +
flattened +
not fleshy +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
unbranched +  and simple +
0 cm0 mm <br />0 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
tuberculate +  and rugate +
Botrychium californicum +, Botrychium coulteri +  and Botrychium silaifolium +
Botrychium multifidum +
Botrychium sect. Sceptridium +
species +
arising +  and erect +
0.3-1.2 times length of trophophore rachis +
2 cm20 mm <br />0.02 m <br /> (15 cm150 mm <br />0.15 m <br />) +
anastomosing +
pinnate +  and fan +