Huperzia lucidula

(Michaux) Trevisan

Atti Soc. Ital. Sci. Nat. 17: 248. 1875.

Common names: Shining fir-moss huperzie brillant
Basionym: Lycopodium lucidulum Michaux Fl. Bor.-Amer. 2: 284. 1803
Synonyms: Urostachys lucidulus (Michaux) Nessel
Treatment appears in FNA Volume 2.

Shoots erect, indeterminate, 14–20 (–100) cm, becoming long-decumbent, with long, trailing, senescent portion turning brown; juvenile and mature portions similar with strong annual constrictions due to formation of winter bud; juvenile growth erect. Leaves spreading to reflexed, dark green, lustrous; largest leaves narrowly obovate, leaves broadest at or above middle, 7–11 mm, margins papillate, teeth 1–8, irregular, large; smallest leaves (at annual constrictions) narrowly lanceolate, 3–6 mm; stomates on abaxial surface only. Gemmiferous branchlets produced in 1 pseudowhorl at end of each annual growth cycle; gemmae 4–6 × 3–6 mm, lateral leaves 1.5–2.5 mm wide, broadly obtuse with distinct mucro. Spores 23–29 µm. 2n = 134.


Habitat: Terrestrial in shaded conifer forests and mixed hardwoods, rarely on rock on shady mossy acidic sandstone
Elevation: 0–1800 m

Distribution

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St. Pierre and Miquelon, Man., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que., Ala., Ark., Conn., Del., Ga., Ill., Ind., Iowa, Ky., Maine, Md., Mass., Mich., Minn., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Vt., Va., W.Va., Wis.

Discussion

Huperzia × bartleyi (Cusick) Kartesz & Gandhi, a sterile hybrid between H. lucidula and H. porophila, occurs throughout the range of H. porophila and is discussed under that species. Huperzia × buttersii (Abbe) Kartesz & Gandhi is a hybrid between H. lucidula and H. selago.

Selected References

None.

Lower Taxa

None.

"above middle leaves" is not a number.

... more about "Huperzia lucidula"
Warren H. Wagner Jr. +  and Joseph M. Beitel +
- Michaux Trevisan +
Lycopodium lucidulum +
Shining fir-moss +  and huperzie brillant +
St. Pierre and Miquelon +, Man. +, N.B. +, Nfld. and Labr. - Nfld. +, N.S. +, Ont. +, P.E.I. +, Que. +, Ala. +, Ark. +, Conn. +, Del. +, Ga. +, Ill. +, Ind. +, Iowa +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, S.C. +, Tenn. +, Vt. +, Va. +, W.Va. +  and Wis. +
0–1800 m +
linear;elliptic +
photosynthetic +
articulate +  and gemmiferous +
0.4 cm4 mm <br />0.004 m <br /> - 0.6 cm6 mm <br />0.006 m <br /> +
0.3 cm3 mm <br />0.003 m <br /> - 0.6 cm6 mm <br />0.006 m <br /> +
according-to-seasonal +
Terrestrial in shaded conifer forests and mixed hardwoods, rarely on rock on shady mossy acidic sandstone +
1.5mm +  and 2.5mm +
pseudomonopodial +, dichotomous +, branching +, branched +  and simple +
flat +  and round +
monomorphic +
not imbricate +
dark green +
remote;dense +
mature +  and juvenile +
spreading;reflexed +
flattened +, lanceolate +  and oblanceolate +
reduced +  and mostly larger +
0.7 cm7 mm <br />0.007 m <br /> - 1.1 cm11 mm <br />0.011 m <br /> +
irregularly dentate +  and entire +
papillate +
distinct +
aerial +  and subterranean +
mature +, juvenile +  and senescent +
Atti Soc. Ital. Sci. Nat. +
distinct +
emerging +
20 cm200 mm <br />0.2 m <br /> - 100 cm1,000 mm <br />1 m <br /> +
indeterminate +
0.2 cm2 mm <br />0.002 m <br /> - 1.6 cm16 mm <br />0.016 m <br /> +
clustered +  and decumbent +
concave +
0.3 cm3 mm <br />0.003 m <br /> - 0.6 cm6 mm <br />0.006 m <br /> +
plectostelic +  and actino +
axillary +  and adaxial +
protostelic +
subterranean +
stalked +  and sessile +
modified +  and unmodified +
photosynthetic +
small-grooved +
subterranean +
reticulate +, rugulate +  and pitted +
Urostachys lucidulus +
Huperzia lucidula +
Huperzia +
species +
on rock +  and terrestrial +
erect +  and decumbent +