Flora of North America species comparison

erect or decumbent, usually branched proximally and distally, glabrous or minutely pubescent.

erect, usually branched at base, sometimes simple, glabrous or sparingly scabrous on angles distally.

persistent;

ocrea margins not ciliate;

blade linear to narrowly clavate or broadly spatulate, (3–)4–16(–36) × (0.3–)0.6–3.6(–5) mm, base barely tapered to attenuate, margins hyaline at least along distal 1/2, apex obtuse, glabrous.

persistent;

ocrea margins ciliate;

blade linear, (10–)25–43(–69) × 1.2–2.5(–3) mm, base barely tapered, margins hyaline, apex acute to acuminate, glabrous.

(2–)4–20(–33) mm;

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

(10–)20–50(–60) mm;

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

spreading in anthesis, spreading to reflexed in fruit, 0.2–0.9 mm, as long or much longer than subtending ocreola.

spreading in anthesis and fruit, 0.3–1 mm, much longer than subtending ocreola.

functionally unisexual;

filaments dimorphic;

anthers pink, orange, or yellow;

styles and stigma ca. 0.1 mm in anthesis.

bisexual or some pistillate, these usually distal;

outer tepals loosely appressed in anthesis and fruit, pink to white, drying orange, ovate, 1.7–4.5 mm in anthesis, margins erose;

inner and transitional tepals pink to white, drying orange, loosely appressed in anthesis and fruit, oblong, 1.8–3.8 mm in anthesis, margins deeply fringed;

filaments monomorphic;

anthers pink;

styles and stigmas 0.7–1.5 mm in anthesis.

outer tepals loosely appressed in anthesis, reflexed in fruit, white, broadly elliptic, 0.9–1.8 mm in anthesis, margins entire;

inner tepals appressed in anthesis and fruit, white, elliptic, 0.9–1.7 mm in anthesis, margins entire.

outer tepals loosely appressed in anthesis, usually reflexed in fruit, white to pink, often drying yellow, broadly elliptic to ovate, 0.5–1.3 mm in anthesis, margins entire;

inner tepals appressed in anthesis and fruit, white to pink, often drying yellow or red, broadly elliptic to ovate, 0.6–1.5 mm in anthesis, margins entire.

mostly included, brown to yellow-brown, 3-gonous, 1.3–2.1 × 0.7–1.2 mm, shiny, smooth.

usually included, sometimes exserted distally, yellow-brown, 3-gonous, 1.8–2.6 × 1–1.5 mm, shiny and smooth proximally, dull to shiny and minutely roughened distally.

= 28.

= 32.