Difference between revisions of "Ephemerum crassinervium"
Flora 20: 285. 1837,.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Phascum crassinervium | |name=Phascum crassinervium | ||
|authority=Schwägrichen | |authority=Schwägrichen | ||
| + | |publication_title=Sp. Musc. Frond. Suppl. | ||
| + | |publication_place=1(1): 4, plate 2. 1811 | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |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/V27/V27_961.xml |
|genus=Ephemerum | |genus=Ephemerum | ||
|species=Ephemerum crassinervium | |species=Ephemerum crassinervium | ||
Revision as of 20:41, 24 September 2019
Plants up to 2.5 mm, scattered in sparse protonemata. Leaves lanceolate, broadly linear or ligulate, acuminate, sometimes narrowed distally from shoulders, 0.8–2.5 × 0.15–0.4 mm; margins serrulate or serrate, with teeth sometimes recurved up to 45°; apex acuminate and papillose; costa at the base thin or not always apparent, stronger distally, often filling the acumen, percurrent or excurrent, papillose; areolation firm proximally and distally compact to dense; median laminal cells in ± vertical rows, smooth or slightly papillose; distal laminal cells papillose. Capsule with columella resorbed before meiosis; stomates in proximal half or scattered throughout. Spores various, 43–120 × 35–80 µm.
Distribution
North America, Europe, e Asia, Pacific Islands (New Zealand).
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Distal leaves lanceolate to broadly linear and acuminate, with compact to rather dense areolation in the distal two-thirds | Ephemerum crassinervium var. crassinervium |
| 1 | Distal leaves broadly lanceolate to oblong-lanceolate or ligulate and subulate, often narrowed from a slight to prominent shoulder, densely papillose in the distal half | Ephemerum crassinervium var. texanum |