Flora of North America species comparison

filiform to somewhat thickened.

moderately stout, woody.

erect to widely spreading, green or purple, 4–30 cm, stipitate-glandular distally, internodes of all stems 1–5 times as long as leaves.

± erect, gray-green, 10–20 cm, glabrous or often stipitate-glandular, especially distally, internodes of stems 1–6 times as long as leaves (proximal leaves often shorter than internodes), 2–3 stolons radiating from crown, 6–20 cm.

sometimes overlapping proximally, ± evenly spaced, connate proximally, with loose, scarious sheath 0.3–0.7 mm;

blade straight to variously curved or coiled, green or purple, concave, 1–3 veined, linear, 5–40 × 0.2–0.4 mm, flexuous, margins not thickened, often scarious, sometimes ciliate or stipitate-glandular, apex green to purple, acute, navicular, dull, glabrous to stipitate-glandular;

axillary leaves present proximally.

overlapping, loosely proximally, evenly spaced, connate proximally, with tight, scarious sheath 0.3–0.8 mm;

blade ± straight to outwardly curved, gray-green, shallowly concave, 3-veined, often prominently so abaxially, needlelike, 5–11 × 0.5–0.9 mm, rigid, margins not thickened, scarious in proximal 1/2, stipitate-glandular, apex green to purple, acute to obtuse, navicular, dull, stipitate-glandular throughout;

axillary leaves weakly developed among proximal cauline leaves.

7–15+-flowered, open cymes;

bracts subulate, scarious.

7–25-flowered, open cymes;

bracts lanceolate to subulate, herbaceous, margins scarious.

0.2–4 cm, stipitate-glandular.

0.3–1.5 cm, often stipitate-glandular.

hypanthium disc-shaped;

sepals 1(–3)-veined, midvein often more prominent than lateral veins, ± ovate (herbaceous portion lanceolate to oblong-lanceolate to narrowly ovate), 2.5–3.7 mm, not enlarging in fruit, apex often purple, obtuse to acute, not hooded, stipitate-glandular at least proximally;

petals ovate, (1–)1.7–2.1 times as long as sepals, apex broadly rounded, entire or irregularly dentate.

hypanthium disc-shaped;

sepals 1–3-veined (weakly in flower), ovate to lanceolate, (herbaceous portion narrowly lanceolate to linear-oblong), 3.5–4.8 mm, not enlarging in fruit, apex green to purple, narrowly acute to acuminate, not hooded, stipitate-glandular;

petals broadly oblanceolate, 1.6–1.8 times as long as sepals, apex rounded, entire.

on stipe 0.3–0.5 mm, broadly ovoid, 4 mm, longer than sepals.

sessile, ovoid, 3.5–5 mm, equaling sepals.

reddish brown, winged, orbiculate with radicle not prolonged, compressed, 1.3–2 mm, tuberculate;

tubercles low, elongate.

reddish brown to brown, oblong-elliptic, 2–2.4 mm, tuberculate.