Difference between revisions of "Pseudoleskea stenophylla"
Bot. Centra l bl. 44: 421. 1890.
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|name=Lescuraea stenophylla | |name=Lescuraea stenophylla | ||
|authority=(Renauld & Cardot) Kindberg | |authority=(Renauld & Cardot) Kindberg | ||
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|hierarchy=Leskeaceae;Pseudoleskea;Pseudoleskea stenophylla | |hierarchy=Leskeaceae;Pseudoleskea;Pseudoleskea stenophylla | ||
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name=Pseudoleskea stenophylla | name=Pseudoleskea stenophylla | ||
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|authority=Renauld & Cardot | |authority=Renauld & Cardot | ||
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|publication title=Bot. Centra l bl. | |publication title=Bot. Centra l bl. | ||
|publication year=1890 | |publication year=1890 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V28/V28_566.xml |
|genus=Pseudoleskea | |genus=Pseudoleskea | ||
|species=Pseudoleskea stenophylla | |species=Pseudoleskea stenophylla | ||
Revision as of 21:15, 16 December 2019
Plants small, in thin open to thick mats, green or yellow-green. Stems with branches slender, not or rarely julaceous, apices straight to rarely curving up; central strand present; paraphyllia many, filamentous to foliose, not branched. Leaves appressed to somewhat erect when dry, erect-spreading when moist, glossy, ovate-lanceolate to lanceolate, symmetric, not or rarely falcate except at apices, 0.9–2 mm; margins recurved to just before acumen; apex gradually and slenderly long-acuminate, hair-point absent; costa percurrent, green to yellow-green, not sinuate; alar cells transversely elongate to quadrate, region small; medial laminal cells elongate-rhomboidal to fusiform or somewhat vermicular, to 30 µm, 2–3(–4):1, pellucid, strongly papillose over lumen, papillae usually off-centered to distal edge, rarely some cells prorate, walls firm to incrassate, not pitted; juxtacostal cells somewhat shorter than more distal cells, walls not pitted. Capsule erect, symmetric, 1–3 mm; endostome basal membrane 1/4 exostome length, segments shorter than exostome, cilia absent or rudimentary. Spores 16–20 µm.
Phenology: Capsules mature spring–summer (May–Aug).
Habitat: Twigs and branches of shrubs or small trees, tree bases of Acer or Alnus, along streams
Elevation: moderate to high elevations (500-2100 m)
Distribution
Alta., B.C., Nfld. and Labr., N.S., Que., Alaska, Calif., Idaho, Mont., Oreg., Utah, Wash., w Eurasia.
Discussion
Pseudoleskea stenophylla is distinguished by small plants growing on bark and twigs of shrubs and trees, leaves with a long, slender acumen half the leaf length, and elongate laminal cells with papillae over the lumen but usually off-centered.
Selected References
None.