Flora of North America species comparison

2-ranked, gradually reduced toward ends of flowering stems;

blade ovate to lanceolate or lanceolate-oblong, 1–3.5 × 0.6–1 cm (distal leaf blades much narrower than sheaths when sheaths opened, flattened), margins scabrid, apex acute, glabrous.

basal or cauline, alternate;

sheaths closed;

blade simple, often succulent, margins entire, venation parallel.

sessile in axils of distal leaves of flowering stems, composed of pairs of sessile cymes (sometimes reduced to single cymes).

terminal or terminal and axillary [sometimes all axillary], sometimes becoming leaf-opposed, cymose (cymes scorpioid), thyrsiform or variously reduced, sometimes umbel-like, sometimes enclosed in spathaceous bracts.

bisexual and pistillate, odorless, subsessile;

petals inconspicuous, white, lanceolate, 3–6 mm;

stamens 0–6, long-exserted;

filaments glabrous;

ovary 2-locular, stigma penicillate.

bisexual or bisexual and staminate on same plants, rarely bisexual and pistillate on same plants [bisexual and unisexual (staminate and pistillate), all on same plants], bilaterally or radially symmetric;

sepals 3, sepaloid [occasionally petaloid], distinct or occasionally connate, usually subequal;

petals 3, deliquescent, petaloid, distinct or connate, equal or unequal;

stamens 6, all fertile or some staminodial or absent (rarely all stamens absent);

anthers with longitudinal [rarely poricidal] dehiscence;

ovary superior, 2–3-locular;

ovules 1-seriate [2-seriate];

style 1, simple, usually slender;

stigma 1, simple [rarely slightly 3-lobed], enlarged or not.

loculicidal capsules [rarely indehiscent or berries].

2-locular.

1 mm.

1–several [rarely many] per locule;

hilum dotlike or linear; lidlike embryotega covering embryo.