Flora of North America species comparison

erect, simple or sparingly branched proximally, scabrous or, sometimes, glabrous proximally.

erect, branched proximally and distally, glabrous.

persistent;

ocrea margins ciliate;

blade linear to falcate, (10–)19–36(–50) × (0.6–)1–1.5(–3) mm, base tapered, margins not hyaline, apex acuminate, minutely scabrous.

persistent or fugaceous;

ocrea margins not ciliate;

blade linear to narrowly clavate, (1.5–)5–20(–35) × 0.4–1.2 mm, base barely tapered, margins not hyaline, apex obtuse, glabrous.

(5–)10–24(–30) mm;

ocreola encircling rachis, only the base adnate to rachis, apex acuminate.

(13–)20–33(–40) mm;

ocreola encircling rachis, only the base adnate to rachis, apex acute.

spreading in anthesis and fruit, 0.1–0.7 mm, as long as or much longer than subtending ocreola.

spreading in anthesis, reflexed in fruit, 0.9–2.1 mm, longer than subtending ocreola.

bisexual or some pistillate, these usually distal;

outer tepals loosely appressed in anthesis and fruit, pink with white margins, often drying orange, ovate, 1.1–2.3 mm in anthesis, margins erose;

inner and transitional tepals loosely appressed in anthesis and fruit, pink with white margins, often drying orange, oblong, 1.2–2.2 mm in anthesis, margins deeply fringed;

filaments monomorphic;

anthers pink;

styles and stigmas 0.6–1.3 mm in anthesis.

bisexual;

outer tepals loosely appressed in anthesis and fruit, pink to white, occasionally red, distal portion of midrib often inconspicuously greenish, elliptic to obovate, 1.3–2.3 mm in flower, margins entire to erose;

inner tepals loosely appressed in anthesis and fruit, white to pink, occasionally red, elliptic, 1.3–2.3 mm in anthesis, margins mostly entire;

filaments dimorphic;

anthers yellow or pink;

styles and stigmas ca. 0.1 mm in anthesis.

included or exserted, yellow-brown, 3-gonous, 1.5–2.5 × 1–1.5 mm, shiny and smooth proximally, dull to shiny and minutely roughened distally.

included or exserted, reddish brown, 3(–4)-gonous, 2–2.8 × 1–1.3 mm, shiny, smooth.

= 32.