Difference between revisions of "Lycopodium obscurum"
Sp. Pl. 2: 1102. 1753.
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|publication year=1753 | |publication year=1753 | ||
|special status=Illustrated;Endemic | |special status=Illustrated;Endemic | ||
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|genus=Lycopodium | |genus=Lycopodium | ||
|species=Lycopodium obscurum | |species=Lycopodium obscurum |
Latest revision as of 21:24, 5 November 2020
Horizontal stems subterranean. Upright shoots treelike, many branched, branchlets numerous and strongly differentiated; annual bud constrictions absent; leaves on main stem below lateral branchlets tightly appressed, needlelike, 3.5–4.5 × 0.6–0.7 mm, soft. Lateral branchlets flat in cross section, 6–9 mm diam.; annual bud constrictions inconspicuous. Leaves in 6 ranks, 1 on upperside, 4 lateral, ascending-spreading, 2.5–5.5 × 0.5–1.2 mm, and 1 on underside, much smaller than others, ascending; margins entire; apex lacking hair tip. Strobili 1–6 at tip of shoot, sessile, 12–60 mm. Sporophylls 3 × 2 mm, apex long, gradually narrowing. 2n = 68.
Habitat: Rich hardwood forests and successional shrubby areas
Elevation: 0–1600 m
Distribution
![V2 526-distribution-map.gif](/w/images/f/f2/V2_526-distribution-map.gif)
N.B., N.S., Ont., Que., Ala., Conn., Del., Ga., Ky., Maine, Md., Mass., Mich., Ohio, Pa., N.H., N.J., N.Y., N.C., R.I., S.C., Tenn., Vt., Va., W.Va., Wis.
Discussion
Selected References
None.