Flora of North America species comparison

on substrate surface.

subterranean.

clustered, 0.6–1.2 cm diam., dominant main shoot with 3–6 branches mostly in lower 1/2.

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.

few and like upright shoots;

annual bud constrictions abrupt, branchlets mostly spreading.

flat in cross section, 6–9 mm diam.;

annual bud constrictions inconspicuous.

spreading, often somewhat ascending in distal 1/3 of branches, medium green, linear, 4–6 × 0.4–0.8 mm;

margins entire;

apex with narrow hair tip 2.5–4 mm.

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.

3.5–12.5 cm, with remote pseudowhorls of appressed leaves, loosely branched into 2–5 alternate stalks, 0.5–0.8 cm.

2–5 on alternate stalks (if double, usually with stalks 5–8 mm), 15–25 × 3–6 mm.

1–6 at tip of shoot, sessile, 12–60 mm.

1.5–2.5 mm, apex abruptly reduced to hair tip.

3 × 2 mm, apex long, gradually narrowing.

= 68.

= 68.