Flora of North America species comparison

arising directly from the root, erect, solid, not fistulose or disarticulating into ringlike segments, glandular.

blades (0.3–)0.5–1.5 × (0.1–)0.2–0.4 cm.

usually quickly deciduous, basal, rosulate;

petiole present;

blade linear-spatulate.

terminal, cymose;

branches dichotomous, not brittle or disarticulating into segments, round, glandular;

bracts 3, positioned to side of node opposite involucre, connate basally, oblong to linear-acicular, long-awned, glandular.

1–2 mm.

erect, peglike.

1 per node, 5-ribbed, tubular, narrowly turbinate;

teeth 5, awn-tipped.

1.5 mm;

filaments 1.5–2 mm.

(4–)6 per involucre;

perianth white to pink or rose, campanulate when open, cylindric when closed, pubescent abaxially;

tepals 6, connate proximally, monomorphic, entire apically;

stamens 9;

filaments free, glabrous;

anthers red to maroon, oblong.

1.5 mm.

mostly included, light greenish brown to tan, not winged, 3-gonous, glabrous.

embryo curved.

-lucres 3–5 mm, faintly corrugate;

awns divergent, (1–)2–3 mm.

= 14.

= 28.