Difference between revisions of "Pseudotaxiphyllum elegans"
J. Hattori Bot. Lab. 63: 449. 1987.
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|label=Selected by author to be illustrated | |label=Selected by author to be illustrated | ||
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Isothecium elegans | |name=Isothecium elegans | ||
|authority=Bridel | |authority=Bridel | ||
| − | }} {{Treatment/ID/ | + | |publication_title=Bryol. Univ. |
| + | |publication_place=2: 356. 1827, | ||
| + | }} {{Treatment/ID/Basionym | ||
|name=P. elegans var. gracilens | |name=P. elegans var. gracilens | ||
|authority=(Grout) H. A. Crum | |authority=(Grout) H. A. Crum | ||
| + | |publication_title=Steere & L. E. Anderson | ||
| + | |publication_place= | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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|publication year=1987 | |publication year=1987 | ||
|special status=Selected by author to be illustrated | |special status=Selected by author to be 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/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V28/V28_876.xml |
|genus=Pseudotaxiphyllum | |genus=Pseudotaxiphyllum | ||
|species=Pseudotaxiphyllum elegans | |species=Pseudotaxiphyllum elegans | ||
Revision as of 19:47, 24 September 2019
Plants in thin to dense mats, dark green to yellowish. Stems 3.5 cm, 1–2.5 mm wide, complanate-foliate. Leaves erect-spreading or sometimes secund with apices pointing toward substrate, not upturned-homomallous, close to somewhat distant, lanceolate, ovate- or oblong-lanceolate, symmetric, smooth or weakly undulate, 0.3–2 × 0.2–0.7 mm; margins plane, serrulate to entire proximally, serrulate to strongly serrate distally; apex acuminate; costa double, strong; alar cells undifferentiated or quadrate to rectangular, 1–3 on margins; medial laminal cells 48–100 × 4–7 µm; distal cells sometimes minutely prorulose at distal ends on abaxial surface. Specialized asexual reproduction present as propagula clustered in leaf axils below stem apices, 0.5–1.5 mm, yellow to green, not twisted-vermiform, resembling parent plant but smaller, bearing reduced leaves from apex to base of stems. Sexual condition dioicous. Seta 1–2.5 cm. Capsule cernuous to pendulous, oblong-ovoid to ovoid, 1–2 mm; operculum conic to short-rostrate. Spores 7–12 µm.
Phenology: Capsules mature spring–summer.
Habitat: Woods, acidic rock and soil, humus, base of trees, rotten logs
Elevation: low to high elevations (0-2000 m)
Distribution
B.C., N.B., Nfld. and Labr., N.S., Ont., P.E.I., Que., Yukon, Ala., Alaska, Ark., Calif., Conn., Del., Ga., Idaho, Ill., Ind., Ky., Maine, Md., Mich., Minn., Mo., N.H., N.J., N.Y., N.C., Ohio, Oreg., Pa., S.C., Tenn., Vt., Va., Wash., W.Va., s South America (Argentina).y
Discussion
Pseudotaxiphyllum elegans is morphologically similar to 2. P. distichaceum. For distinctions, see discussion of that species.
Selected References
None.