Botrychium jenmanii Underw.

Dixie grapefern (en)

Species

Pteridophytes > Ophioglossales > Ophioglossaceae > Botrychioideae > Botrychium

Characteristics

Trophophore stalk 2--15 cm, 0.8--1.2 times length of trophophore rachis; blade somewhat dull gray-green, plane, 3-pinnate, to 18 × 26 cm, herbaceous. Pinnae to 5 pairs, well separated, slightly descending to ascending, distance between 1st and 2d pinnae not or slightly more than between 2d and 3d pairs; basal pinnae remotely alternate and long-stalked (basal pinnae in all other botrychiums are opposite to subopposite and short-stalked), divided to tip. Pinnules ovate to fan-shaped, margins uniformly denticulate, apex rounded, venation like ribs of fan with short midrib. Sporophores 2-pinnate, 1.2--2.5 times length of trophophore. 2 n =180.
More
Blade 3–4 times ternate-pinnate, with short, broad, flabellate, distally rounded and finely toothed ultimate segments; otherwise much like no. 5 [Botrychium multifidum (S. G. Gmel.) Rupr.]; 2n=180. Open woods, old fields, and pastures; W.I., n. to Va., Tenn., and Ala. Sept.–Nov. Rare.
Life form perennial
Growth form herb
Growth support -
Foliage retention
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.02 - 0.25
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
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Fruit color -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
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Optimum temperature (C°) -
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Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:35261-2
WFO ID wfo-0001109051
COL ID MPHX
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Botrychium jenmanii Botrychium ternatum f. alabamense Botrychium alabamense Sceptridium alabamense Sceptridium ternatum var. jenmanii