Difference between revisions of "Equisetum variegatum"
Bot. Taschenb. 60, 447. 1807.
Common names: Variegated scouring rush prêle panachée
Treatment appears in FNA Volume 2.
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name=Equisetum variegatum | name=Equisetum variegatum | ||
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|authority=Schleicher ex F. Weber & D. Mohr | |authority=Schleicher ex F. Weber & D. Mohr | ||
|rank=species | |rank=species | ||
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|publication year=1807 | |publication year=1807 | ||
|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/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V2/V2_414.xml |
|genus=Equisetum | |genus=Equisetum | ||
|subgenus=Equisetum subg. Equisetum | |subgenus=Equisetum subg. Equisetum | ||
Revision as of 19:47, 16 December 2019
Aerial stems persisting more than a year, unbranched, 6–55 cm; lines of stomates single; ridges 3–12. Sheaths green with black apical band, spreading, 1–6 × 1–5 mm; teeth 3–14, not articulate. Cone apex pointed; spores green, spheric. 2n =216.
Distribution
North America, Europe, Asia.
Discussion
Subspecies 2 (2 in the flora).
Selected References
None.
Key
| 1 | Sheath teeth erect, with prominent white margins. | Equisetum variegatum subsp. variegatum |
| 1 | Sheath teeth incurved, with obscure margins or all black. | Equisetum variegatum subsp. alaskanum |