Spinulum annotinum
Spinulum annotinum bristly clubmoss
Synonyms:
Lycopodium annotinum
This clubmoss is stiff with prickly leaves, light to dark green stems look like a narrow bottle brush. Individual strobili are without stalks, leaves spreading, or reflexed.
Habitat & Range
Common in moist to dry coniferous of mixed forests, prefers acid soils.
Range is from Eastern Canada south to New Jersey, West Virginia and Michigan.
| EMP: | FAC |
|---|---|
| NCNE: | FAC |
Phenology
This clubmoss overwinters.
Characteristics
Horizontal stems near surface, at or just below humus layer; with annual constrictions.
Upright stems 6 in. tall. Branching at base; round in cross-section, bristly-leaved with annual constrictions.
Leaves 1/3 in. long. Narrow, broadest above the middle, with very sharp-pointed tip and a narrowed base; 10-ranked, ascending to reflexed, margins slightly to distinctly toothed. Leaves midway between annual constrictions.
Strobilus 1.5 in. long. Sessile (with no stalk), usually 1 strobilus per branch system.
Sporophyll yellow-tan; triangular ovate with abruptly tapering to sharp-pointed tip.
Special Characters
Single cones born without peduncles on the tips of erect vegetative branches. All leaves are the same length.
Plant Codes
S-rank: S5 (Secure)
G-rank: G5 (Secure)
Spinulum annotinum bristly clubmoss
