Flora of North America species comparison

spreading to erect, (much-branched);

young branches usually glandular-hairy, older branches glabrous or puberulent, (roughened peglike projections remaining after fall of leaves, exfoliating).

persistent, alternate;

petiole present;

blade coriaceous, margins entire, serrulate, or glandular-serrulate, (appearing revolute, abaxial surface less than 1/3 visible).

ascending, densely imbricate;

blade linear, 4–15 × 1–1.5(–2) mm, margins entire or glandular-serrulate, surfaces usually glabrous.

terminal, umbellate, corymbiform, or spikelike clusters, 2–30-flowered, sometimes flowers solitary;

perulae absent.

corymbiform, 1–14-flowered.

5–25 mm, glandular;

bracteoles 2.

bisexual, radially symmetric, sepals 5, connate basally;

petals 5, connate for 1/2+ their lengths, corolla deciduous, urceolate, campanulate, or cylindric;

stamens (8–)10, included or exserted;

anthers not awned, dehiscent by terminal slits;

ovary 5-locular;

style included or exserted;

stigma capitate.

usually erect;

sepals broadly ovate, 2–3 mm, margins ciliate, abaxial surface glabrous;

corolla pink, campanulate, not constricted at mouth, 5–8 mm, not glandular, lobes spreading, 1.5–2.5 mm;

stamens 10, included;

filaments 1.5–3 mm, glabrous;

anthers 1.5–2.5 mm;

ovary broadly ovoid, 1.5–2 mm, glandular;

style exserted, 5–7 mm.

capsular, broadly ovoid to globose, dehiscence basipetally septicidal.

5-valved, globose, 3–4 mm, glandular.

100+, ellipsoid, narrowly winged, not tailed;

testa smooth.

= 12.