Flora of North America species comparison

erect to ascending, hairy, hairs malpighiaceous.

erect, densely to sparsely hairy, hairs malpighiaceous.

stipules deciduous, linear-lanceolate, to 1 mm, margins not glandular;

petiole absent;

blade elliptic, 1.5–4 × 0.6–2 cm, margins entire, without glands, surfaces hairy, hairs malpighiaceous.

stipules usually persistent, subulate, 0.6–0.8 mm, margins not glandular;

petiole 1–5 mm;

blade elliptic, ovate to obovate, 1.5–6 × 0.6–3.3 cm, margins minutely serrulate to serrate, without glands, surfaces densely to sparsely hairy, hairs malpighiaceous.

unisexual, 3–8 cm;

bracts linear-lanceolate, 2–4.5 mm, margins without glands.

bisexual, 0.8–1 cm;

bracts ovate-elliptic, 1–1.7 mm, margins without glands.

without pink dye when wetted.

without pink dye when wetted.

sepals lanceolate to narrowly elliptic, 4–5.5 × 1.1–1.4 mm;

petals cuneate-elliptic to cuneate-obovate, 3.3–4 × 1.6–3 mm, free from androphore;

nectary glands oblong, 0.4–0.5 × 0.3–0.4 mm, adnate to androphore, glabrous;

stamens 10, staminodes 0.

sepals lanceolate, 2.5–3 × 0.5–0.7 mm;

petals elliptic, 2.1–2.6 × 0.9 mm, adnate to androphore;

nectary glands ovate, 0.3–0.4 × 0.2–0.4 mm, adnate to androphore, usually glabrous, rarely pubescent;

stamens 10, staminodes 3–5, sometimes minute, usually pubescent, rarely glabrous.

sepals lanceolate to elliptic, 6–7 × 1.7–3.2 mm, without glands;

petals 0 or 5, linear, 0–1.7 mm;

nectary glands oblong, 0.5 × 0.7 mm, glabrous;

ovary tomentose to lanulose;

styles 1.5–3 mm, tomentose;

stigmas flattened.

sepals lanceolate, 3.3–4 × 1–1.9 mm, without glands;

petals 5, elliptic, 1.5–1.8 × 0.6–1 mm;

nectary glands oblate, 0.2–0.3 × 0.3–0.4 mm, glabrous;

ovary hispidulous;

styles 1–1.4 mm, hispidulous to pilose;

stigmas terete or slightly flattened.

7–9 mm, tomentose to lanulose.

3–5 mm, hispidulous.

3.7–5 mm, smooth, lightly tuberculate, or striate.

1.5–3 mm, with shallow depressions, striate or reticulate.