Lycopodium dendroideum

Michaux

Fl. Bor.-Amer. 2: 282. 1803.

Common names: Prickly tree club-moss lycopode dendroïde
Illustrated
Synonyms: Lycopodium obscurum var. dendroideum (Michaux) D. C. Eaton
Treatment appears in FNA Volume 2.

Horizontal stems subterranean. Upright shoots treelike, many branched, branchlets numerous and strongly differentiated; annual bud constrictions absent; leaves spreading, pale green below lateral branchlets, prickly needlelike, 3.5–4 × 0.9–1 mm. Lateral branchlets round in cross-section, 5–8 mm diam.; annual bud constrictions inconspicuous; leaves spreading to ascending, pale green, in 6 ranks, 2 upperside, 2 lateral, and 2 underside, equal in size, linear, 2.4–5.5 × 0.5–1.2 mm; margins entire; apex acuminate, lacking hair tip. Strobili sessile, 1–7 on tip of upright shoot, 12–55 mm. Sporophylls 3.5 × 3.5 mm, apex short, acute, abruptly narrowing. 2n = 68.


Habitat: Dry woodlands and second-growth shrubby areas
Elevation: 50–1800 m

Distribution

V2 50-distribution-map.gif

St. Pierre and Miquelon, Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.W.T., N.S., Ont., P.E.I., Que., Sask., Yukon, Alaska, Conn., Idaho, Iowa, Maine, Mass., Mich., Minn., Mo., Mont., N.H., N.Y., Pa., S.Dak., Vt., Va., Wash., W.Va., Wis., Wyo., Asia

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Lycopodium dendroideum"
acute;acuminate +
narrowing +
Warren H. Wagner Jr. +  and Joseph M. Beitel +
Michaux +
differentiated +
Prickly tree club-moss +  and lycopode dendroïde +
St. Pierre and Miquelon +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Alaska +, Conn. +, Idaho +, Iowa +, Maine +, Mass. +, Mich. +, Minn. +, Mo. +, Mont. +, N.H. +, N.Y. +, Pa. +, S.Dak. +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. +, Wyo. +  and Asia +
50–1800 m +
photosynthetic +
button--shaped +
Dry woodlands and second-growth shrubby areas +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
pseudomonopodial +, dichotomous +, branching +, branched +  and simple +
flat +  and round +
not imbricate +
pale green;pale green +
remote;dense +
0.24 cm2.4 mm <br />0.0024 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
spreading;ascending +
linear +  and linear-lanceolate +
membranous +
trimorphic +  and uniform +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
aerial +  and subterranean +
Fl. Bor.-Amer. +
2 +  and 6 +
emerging +
0.5 cm5 mm <br />0.005 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
flat +  and round +
Illustrated +
plectostelic +  and actino +
axillary +  and adaxial +
thick-walled +  and trilete +
3.5 cm35 mm <br />0.035 m <br /> (?) +
protostelic +
subterranean +
subterranean +
modified +  and unmodified +
photosynthetic +
1.2 cm12 mm <br />0.012 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
small-grooved +
subterranean +
reticulate +, rugulate +  and pitted +
Lycopodium obscurum var. dendroideum +
Lycopodium dendroideum +
Lycopodium +
species +