familyPteridaceae
genusPentagramma
speciesPentagramma triangularis
subspeciesPentagramma triangularis subsp. viscosa
Difference between revisions of "Pentagramma triangularis subsp. viscosa"
Amer. Fern J. 80: 15. 1990.
Basionym: Gymnogramma viscosa (Kaulfuss) Maxon
Synonyms: Pityrogramma triangularis var. viscosa (Nuttall ex D. C. Eaton) WeatherbyPityrogramma viscosa unknown
Treatment appears in FNA Volume 2.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Petiole </b>sometimes viscid-glandular. <b>Blades</b> thick and leathery, abaxially densely white-farinose and viscid-glandular, adaxially viscid-glandular. <b>Distal</b> pinnae mostly entire. <b>Proximal</b> basiscopic lobes of basal pinnae entire to undulate or crenate. <b>2n</b> = 60.</span><!-- |
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|genus=Pentagramma | |genus=Pentagramma | ||
|species=Pentagramma triangularis | |species=Pentagramma triangularis | ||
|subspecies=Pentagramma triangularis subsp. viscosa | |subspecies=Pentagramma triangularis subsp. viscosa | ||
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Revision as of 14:28, 27 July 2019
Petiole sometimes viscid-glandular. Blades thick and leathery, abaxially densely white-farinose and viscid-glandular, adaxially viscid-glandular. Distal pinnae mostly entire. Proximal basiscopic lobes of basal pinnae entire to undulate or crenate. 2n = 60.
Habitat: Chaparral, pine and oak woodlands
Elevation: 50–500 m
Distribution
Largely coastal, Calif., Mexico in Baja California.
Discussion
Pentagramma triangularis subsp. viscosa was said to introgress with P. triangularis subsp. triangularis by K. S. Alt and V. Grant (1960), who noted both diploid and tetraploid plants of intermediate morphology at some sites where these two occur together.
Selected References
None.
Lower Taxa
None.