Equisetum variegatum
Bot. Taschenb. 60, 447. 1807.
Common names: Variegated scouring rush prêle panachée
Treatment appears in FNA Volume 2.
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
Alta., B.C., Man., N.B., N.W.T., Nfld. and Labr. (Nfld.), Ont., P.E.I., Que., Sask., Yukon, Colo., Conn., Idaho, Ill., Ind., Maine, Mass., Mich., Minn., Mont., N.H., N.Y., Oreg., S.Dak., Utah, Vt., Wash., Wis., Wyo., 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 |
... more about "Equisetum variegatum"
black +
hollow +
terminal +
rounded +
unbranched +
green +
terrestrial +
smaller than female +
whorled +
fused +
distinct +
fused +
Bot. Taschenb. +
1807 +
1mm;6mm +
spreading +
1mm;5mm +
dimorphic +
attached +
pendent +
green +
spheric +
peltate +
aggregated +
dehiscing +
elongate +
unbranched +
brown +
persisting +
aerial +
fertile +
single +
Equisetum variegatum +
Equisetum subg. Equisetum +
species +
free +
not articulate +
rhizomatous +
perennial +
regular +