Flora of North America species comparison

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Botrychium lanceolatum

botryche élancé, lance-leaf grapefern, lance-leaf moonwort, red triangle moonwort, triangle moonwort
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.
Trophophore

stalk 0–1 mm;

blade dull to shiny green to dark green, deltate, 1–2-pinnate, to 6 × 7 cm.
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.

Botrychium lanceolatum
Distribution
from FNA
AK; AZ; CO; CT; ID; KY; MA; ME; MI; MN; MT; NH; NJ; NM; NV; NY; OH; OR; PA; RI; TN; UT; VA; VT; WA; WI; WV; WY; AB; BC; NB; NF; NS; ON; QC; SK; YT; Eurasia
[WildflowerSearch map]
[BONAP county map]
Discussion

Subspecies 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
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.
subsp. lanceolatum
1. Trophophore blade dark green, slender, delicate but firm; middle segments usually less than 2 mm wide exclusive of lobes.
subsp. angustisegmentum
Source FNA vol. 2.
Parent taxa Ophioglossaceae > Botrychium > subg. Botrychium
Sibling taxa
B. acuminatum, B. ascendens, B. biternatum, B. boreale, B. campestre, B. crenulatum, B. dissectum, B. echo, B. gallicomontanum, B. hesperium, B. jenmanii, B. lunaria, B. lunarioides, B. matricariifolium, B. minganense, B. montanum, B. mormo, B. multifidum, B. oneidense, B. pallidum, B. paradoxum, B. pedunculosum, B. pinnatum, B. pseudopinnatum, B. pumicola, B. rugulosum, B. simplex, B. spathulatum, B. virginianum
Subordinate taxa
B. lanceolatum subsp. angustisegmentum, B. lanceolatum subsp. lanceolatum
Synonyms Osmunda lanceolata
Name authority (S. G. Gmelin) Angström: Bot. Not. 1854: 68. (1854)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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