Flora of North America species comparison

erect to ascending, hairy, hairs malpighiaceous.

usually erect, rarely prostrate in var. pilosissima, 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 deciduous, subulate to ovate, 0.3–0.5 mm, margins not glandular;

petiole usually absent, rarely to 4 mm on proximal leaves;

blade lanceolate, elliptic, ovate to obovate, 1.5–7.5 × 0.6–3.5 cm, margins entire or serrulate, without glands, surfaces hairy, hairs malpighiaceous.

unisexual, 3–8 cm;

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

bisexual or unisexual, to 12 cm;

bracts ovate to lanceolate, 1.5–2.5 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 to narrowly elliptic, 2.3–3 × 0.7–0.8 mm;

petals elliptic to spatulate, 2–2.5 × 0.8–1 mm, free from androphore;

nectary glands linear to obovate, 0.3–0.5 × 0.1–0.2 mm, free from androphore, glabrous or pubescent;

stamens 8, staminodes 0.

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 elliptic, 1–7 × 0.3–3 cm, without glands;

petals 0 or 5, elliptic, linear, or punctiform, less than 0.5 mm;

nectary glands linear, 0.7 × 1.5 mm, glabrous or pubescent;

ovary strigose;

styles 0.8–1.5 mm, pubescent;

stigmas flattened.

7–9 mm, tomentose to lanulose.

6–14 mm, hispidulous to strigose.

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

3.2–4.5 mm, smooth to slightly papillate.