Flora of North America species comparison

on substrate surface.

subterranean.

clustered, mainly unbranched or sparsely branching mainly at base, 1.2–1.6 cm diam.;

annual bud constrictions abrupt and conspicuous.

treelike, many branched, branchlets numerous and strongly differentiated;

annual bud constrictions absent;

leaves spreading, pale green below lateral branchlets, prickly needlelike, 3.5–4 × 0.9–1 mm.

few and like upright shoots but annual bud constrictions absent.

round in cross section, 5–8 mm diam.;

annual bud constrictions inconspicuous;

leaves spreading to ascending, pale green, in 6 ranks, 2 upperside, 2 lateral, and 2 underside, equal in size, linear, 2.4–5.5 × 0.5–1.2 mm;

margins entire;

apex acuminate, lacking hair tip.

spreading to reflexed, dark green, linear-lanceolate, (2.5–)5–8 × 0.6–1.2 mm;

margins closely and shallowly dentate mainly in distal 1/2;

apex sharply pointed, lacking hair tip.

solitary, sessile on shoots, 15–30 × 3.5–4.5 mm.

sessile, 1–7 on tip of upright shoot, 12–55 mm.

(1.5–)3.5 × 0.7(–2) mm, abruptly narrowed to pointed tip.

3.5 × 3.5 mm, apex short, acute, abruptly narrowing.

= 68.

= 68.