Flora of North America species comparison

becoming stout, woody.

erect to ascending, often arcuately so, much-branched proximally;

main stem 0.4–1.3 mm diam. proximally.

stipules ± conspicuous, dull white, broadly lance-acuminate, 3–8 mm, apex mucronate;

blade filiform to linear, 1–4.2 cm, somewhat fleshy, apex apiculate or spine-tipped;

axillary leaves 2–4 per cluster.

spreading to reflexed in fruit.

sepals connate 0.5–0.7 mm proximally, lobes 1- or 3-veined, lance-ovate to lanceolate, 2.5–4 mm, to 5 mm in fruit, margins 0.1–0.6 mm wide, apex acute to acuminate but often briefly rounded at tip;

petals white, ± elliptic, 0.7–0.8 times as long as sepal;

stamens 7–10;

styles 0.4–0.6 mm.

greenish to tan, (4–)5–6.5 mm, 1.1–1.3 times as long as sepals.

reddish brown to dark brown, often with submarginal groove, broadly ovate, plump, 0.4–0.5 mm, smooth, often sculptured with parallel, wavy lines, papillae often present;

wing often present, white, 0.1–0.2 mm wide, margins irregular.

simple to 3-compound.