Difference between revisions of "Polystichum kwakiutlii"
Amer. Fern J. 80: 50, fig. 1. 1990.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>unknown. <b>Leaves</b> (only distal portion known) with bulblets present. <b>Blade</b> lanceolate, 2-pinnate, base probably narrowed. <b>Pinnae</b> narrowly lanceolate, ca. 2–7 cm, base truncate to oblique, acroscopic proximal pinnule enlarged, apex obtuse. <b>Pinnules</b> short-stalked, ovate-rhombic, acroscopic auricle ± well developed, margins finely spiny-dentate; apex acuminate; microscales filiform, lacking projections, dense abaxially, sparse adaxially. <b>Indusia</b> entire.</span><!-- |
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|publication year=1990 | |publication year=1990 | ||
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|genus=Polystichum | |genus=Polystichum | ||
|species=Polystichum kwakiutlii | |species=Polystichum kwakiutlii | ||
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Revision as of 14:15, 27 July 2019
Stems unknown. Leaves (only distal portion known) with bulblets present. Blade lanceolate, 2-pinnate, base probably narrowed. Pinnae narrowly lanceolate, ca. 2–7 cm, base truncate to oblique, acroscopic proximal pinnule enlarged, apex obtuse. Pinnules short-stalked, ovate-rhombic, acroscopic auricle ± well developed, margins finely spiny-dentate; apex acuminate; microscales filiform, lacking projections, dense abaxially, sparse adaxially. Indusia entire.
Habitat: Habitat unknown.
Distribution
Of conservation concern, B.C.
Discussion
Polystichum kwakiutlii is known only from the type specimen, collected at Alice Arm, British Columbia (whether referring to inlet or town is unknown). This species is presumed to be one of the diploid progenitors of P. andersonii. It should be sought among the boreal 2-pinnate polystichums, from which it can be distinguished by the presence of bulblets. Polystichum kwakiutlii differs from P. andersonii in its completely divided pinnae and entire indusia.
Selected References
None.