Botrychium oneidense House

Bluntlobe grapefern (en)

Species

Pteridophytes > Ophioglossales > Ophioglossaceae > Botrychioideae > Botrychium

Characteristics

Trophophore stalk 2--15 cm, 1.5--2.5 times length of blade rachis; blade dull bluish green, ± plane, 2--3-pinnate, to 15 × 20 cm, ± leathery. Pinnae to 5 pairs, usually remote, horizontal to ascending, distance between 1st and 2d pinnae not or slightly more than between 2d and 3d pairs, undivided except in proximal 2/3--3/4. Pinnules obliquely ovate, margins finely crenulate to denticulate, apex rounded to acute, venation pinnate. Sporophores 2--3-pinnate, 1.5--2.5 times length of trophophore. 2 n =90.
More
Much like the less-dissected phase of no. 8 [Botrychium dissectum Spreng.], but the persistently green, 2–3 times pinnate blade with mostly obtuse or rounded ultimate segments, the major segments tending to be ovate; 2n=90. Rich, moist woods and swamps; N.B. to Ont. and Minn., s. to N.C. and Ind. Aug.–Nov.
Life form perennial
Growth form herb
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Mature height (meter) 0.02 - 0.15
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Environment

Light 1-3
Soil humidity 7-9
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Hardiness (USDA) 4-9

Usage

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Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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Images

Botrychium oneidense unspecified picture

Distribution

Botrychium oneidense world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:35332-2
WFO ID wfo-0001109059
COL ID MPK2
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Botrychium ternatum f. oneidense Botrychium dissectum f. oneidense Botrychium oneidense Sceptridium oneidense Botrychium ternatum var. oneidense Sceptridium obliquum var. oneidense Botrychium multifidum var. oneidense Botrychium dissectum var. oneidense