Flora of North America species comparison

erect to decumbent, sprawling, creeping, trailing, prostrate, or procumbent.

petiole 2–4 mm, (hairy);

blade green, elliptic to oblong-obovate, 1.5–4 cm, base cuneate, margins ciliate, apex acute to subacute, with prominently glandular-mucronate tip ca. 1 mm, abaxial surface densely pilose, with few, narrowly oblong, lacerate or cleft, multicellular scales on midvein, adaxial surface strigose-hirsute or pilose.

deciduous or persistent, usually alternate, sometimes opposite, whorled, or spirally arranged;

petiole usually present;

blade plane or acicular, abaxial groove present or absent.

axillary or terminal, fascicles, racemes, panicles, capitula, cymes, umbels, corymbs, spikes, or solitary flowers;

perulae present or absent;

bracts much shorter than sepals (sometimes absent).

drooping, spreading to erect in fruit, filiform, 1–3 cm, stipitate-glandular.

appearing with leaves;

calyx lobes triangular, 0.5–1.5 mm, margins lacerate/hirsute-ciliate, glandular, apex rounded, glabrous to sparsely hairy;

corolla greenish red to yellowish white tinged with red, 8–10 × 5.5–7 mm, lobes 1–2 mm; nectariferous disc obscurely 8-crenate;

filaments subulate, flattish, slightly dilated proximally, glabrous;

anthers linear-oblong;

ovary obovate-globose, glandular-hairy.

bisexual or unisexual, erect or pendulous, usually radially or bilaterally symmetric;

sepals (2-)4-5(-7);

petals absent or (2-)4-5(-7), connate or distinct, corolla deciduous or persistent, campanulate, salverform, rotate, saucer-shaped, funnelform, cylindric, or urceolate, (with pockets holding anthers until they open in some Kalmia), lobes shorter than tube;

intrastaminal nectary disc present;

stamens (2-)5-10;

anthers dehiscent by lateral pores or slits;

ovary (2-)5-10-locular;

placentation axile (parietal distally in Epigaea);

style straight or declinate (curved in Elliottia).

capsular, dehiscence usually septicidal, sometimes loculicidal or septifragal, or drupaceous, (dry to fleshy), indehiscent.

obovoid-ovoid to globose, 6 mm, densely stipitate-glandular.

brown, narrowly ovoid, ca. 1 mm including apiculuslike, 0.1 mm appendage at distal end.

2-300, distinct, obovoid, ovoid, or ellipsoid to oblong, linear, fusiform, or planoconvex, winged or not.