Difference between revisions of "Notholaena aliena"
Contr. U.S. Natl. Herb. 17: 605. 1916.
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|name=Chrysochosma aliena | |name=Chrysochosma aliena | ||
|authority=(Maxon) Pichi-Sermolli | |authority=(Maxon) Pichi-Sermolli | ||
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name=Notholaena aliena | name=Notholaena aliena | ||
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|authority=Maxon | |authority=Maxon | ||
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|publication year=1916 | |publication year=1916 | ||
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| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V2/V2_429.xml |
|genus=Notholaena | |genus=Notholaena | ||
|species=Notholaena aliena | |species=Notholaena aliena | ||
Revision as of 19:48, 16 December 2019
Stem scales concolored to weakly bicolored, margins usually brown, very narrow and poorly defined, thin, ciliate-denticulate. Leaves 5–15 cm. Petiole brown, equal to or shorter than blade, rounded adaxially, glandular-farinose, bearing scattered hairs and scales. Blade linear-lanceolate, 2-pinnate-pinnatifid, 3–6 times longer than wide, abaxially with conspicuous cream-colored or pale yellow farina and dull, light brown, narrowly lanceolate, ciliate scales scattered along rachises and costae, adaxially sparsely glandular and villous with long, multicelled, whitish hairs; basal pinnae equal to or slightly larger than adjacent pair, ± equilateral, proximal basiscopic pinnules not greatly enlarged. Ultimate segments sessile, broadly adnate to costae; segment margins slightly recurved, rarely concealing sporangia. Sporangia containing 16 spores.
Phenology: Sporulating summer–fall.
Habitat: Rocky slopes and cliffs, usually on volcanic substrates
Elevation: 700–1200 m
Discussion
Notholaena aliena is a rare species closely related to N. grayi. Preliminary studies indicate that N. aliena reproduces by apogamy and is probably triploid.
Selected References
None.