Flora of North America species comparison

erect, hairy, hairs simple and malpighiaceous.

erect to ascending, hairy, hairs malpighiaceous.

stipules persistent, elliptic, lanceolate, or subulate, sometimes divided in 2 unequal segments, 1.7–2.5 mm, margins with conic glands;

petiole 2–6 mm;

blade elliptic, 0.8–1.9 × 0.4–1.2 cm, margins serrate, with conic glands, surfaces hairy, hairs simple and 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.

bisexual, to 0.5 cm;

bracts ovate, 2–3 mm, margins with conic glands.

unisexual, 3–8 cm;

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

without pink dye when wetted.

without pink dye when wetted.

sepals lanceolate, 2.5–3.5 × 0.4–0.5 mm;

petals elliptic, 3–4 × 0.8–1.2 mm, adnate to androphore;

nectary glands narrowly elliptic, oblong, or ovate, 0.3–0.7 × 0.2–0.3 mm, free from androphore, glabrous;

stamens 10, staminodes 3–5, glabrous.

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 ovate, 2.5–4.5 × 0.8–1.3 mm, margins with conic glands;

petals 5, elliptic, 2–3 × 0.7–1.2 mm, margins with glandular teeth;

petals elliptic, 2–3 × 0.7–1.2 mm;

nectary glands ovate to linear, 0.3–0.5 × 0.2–0.5 mm, glabrous;

ovary hispidulous;

styles 1–2 mm, glabrous;

stigmas flattened.

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.

3–4.5 mm, hispidulous.

7–9 mm, tomentose to lanulose.

2.5–3 mm, with shallow depressions, lightly striate.

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