Botrychium biternatum Underw.

Sparselobe grapefern (en)

Species

Pteridophytes > Ophioglossales > Ophioglossaceae > Botrychioideae > Botrychium

Characteristics

Trophophore stalk 4--20 cm, 2--2.5 times length of trophophore rachis; blade green to dark green, plane, 2--3-pinnate, to 18 × 28 cm, herbaceous. Pinnae to 7 pairs, usually remote, horizontal, distance between 1st and 2d pinnae not or slightly more than between 2d and 3d pairs, undivided except in proximal 2/3--1/2. Pinnules elongate, obliquely lanceolate to narrowly lanceolate, margins nearly parallel and finely denticulate, apex short-acuminate, venation pinnate. Sporophores 1--2-pinnate, 2--3 times length of trophophore. 2 n =90.
Life form perennial
Growth form herb
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Mature height (meter) 0.05 - 0.2
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Environment

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Hardiness (USDA) 4-9

Usage

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Edible -
Therapeutic use -
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Animal toxicity -

Cultivation

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Distribution

Botrychium biternatum world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:35230-2
WFO ID wfo-0001109047
COL ID MPGZ
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Botrychium ternatum f. tenuifolium Botrychium fumariae Botrychium fumarioides Botrychium fumarianum Sceptridium biternatum Sceptridium tenuifolium Botrychium biternatum Botrychium dissectum var. tenuifolium Botrychium ternatum var. daedaleum Sceptridium ternatum var. tenuifolium Botrychium tenuifolium Osmunda biternata