Flora of North America species comparison

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Huperzia miyoshiana

Chinese clubmoss, fir clubmoss, lycopode de miyoshi, miyoshi's clubmoss, Pacific fir-moss
Gemmiferous branchlets

produced in 2–3 pseudowhorls at end of annual growth;

gemmae 3.5–5 × 3–4 mm, lateral leaves 1.25–1.75 mm wide, acute with acuminate tip.
Shoots

erect, determinate, 12–18(–25) cm, clustered to long-decumbent, to 8 cm;

leaves in mature portion smaller than leaves in juvenile portion;

annual constrictions absent;

juvenile growth sharply down-curled forming ± 1/2 circle, leaves at tip appressed to form pointed apex.
Leaves

in juvenile (proximal) portion spreading-reflexed (shade) to appressed-ascending (sun), in mature (distal) portion spreading-ascending (shade) to appressed-ascending (sun), light green to yellow, lustrous;

leaves in juvenile portion narrowly lanceolate, parallel-sided, 4.5–7 mm;

leaves in mature portion triangular, widest at base, 3.5–5.5 mm;

margins entire;

stomates present on both surfaces, numerous, 35–80 per 1/2 leaf on adaxial surface.
Spores

25–34 µm.

Huperzia miyoshiana
Habitat On rock or terrestrial on moss-covered boulders in talus slopes, cliffs, near waterfalls, marshes in conifer forest
Elevation 0–1600(–1800) m (0–5200(–5900) ft)
Distribution
from FNA
AK; WA; BC; Nfld; Asia in Japan; Korea; Siberia
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 2.
Parent taxa Lycopodiaceae > Huperzia
Sibling taxa
H. appalachiana, H. haleakalae, H. lucidula, H. occidentalis, H. porophila, H. selago
Synonyms Lycopodium miyoshianum, Lycopodium selago subsp. miyoshianum, Lycopodium selago var. miyoshianum, Lycopodium tenuifolium, Urostachys miyoshiana
Name authority (Makino) Ching: Acta Bot. Yunnan. 3(3): 303, 304. (1981)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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