Equisetum variegatum

Schleicher ex F. Weber & D. Mohr

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., Nfld. and Labr. (Nfld.), N.W.T., Nunavut, Ont., P.E.I., Que., Sask., Yukon, Alaska, 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"
Richard L. Hauke +
Schleicher ex F. Weber & D. Mohr +
Variegated scouring rush +  and prêle panachée +
Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, Nunavut +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Alaska +, Colo. +, Conn. +, Idaho +, Ill. +, Ind. +, Maine +, Mass. +, Mich. +, Minn. +, Mont. +, N.H. +, N.Y. +, Oreg. +, S.Dak. +, Utah +, Vt. +, Wash. +, Wis. +, Wyo. +, Europe +  and Asia. +
Bot. Taschenb. +
Equisetum variegatum +
Equisetum subg. Equisetum +
species +