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).

spreading, not imbricate;

blade linear, 5–20 × 1–2 mm, margins entire or finely serrulate, glabrous.

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

perulae absent.

spikelike, 8–30-flowered.

10–15 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.

nodding;

sepals narrowly ovate to lanceolate, 3–4.5 mm, margins ciliate distally, glabrous abaxially;

corolla white, pink, or purplish, campanulate, not constricted at mouth, 7–9 mm, not glandular, lobes recurved, 3–4 mm;

stamens 9–10, exserted;

filaments 5–8 mm, ciliate proximally;

anthers purple, 1.5–2.5 mm;

ovary globose, 1–2 mm, densely glandular;

style exserted, 6–8 mm.

capsular, broadly ovoid to globose, dehiscence basipetally septicidal.

5-valved, globose, 3–3.5 mm, glandular-hairy.

100+, ellipsoid, narrowly winged, not tailed;

testa smooth.

= 12.