Flora of North America species comparison

usually in whorls of 3, rarely alternate or opposite;

petiole 6–16 mm, usually puberulent;

blade oblong to elliptic-lanceolate, 1.5–8 × 0.5–2.5 cm, margins usually plane, apex obtuse to acute, usually apiculate, abaxial surface glabrous or puberulent, sometimes stipitate-glandular, adaxial lightly puberulent (hairs white, to 0.1 mm), sometimes glabrescent, midrib puberulent.

alternate;

petiole 0.1–1 mm, hirsute-puberulent;

blade elliptic to ovate, 0.5–1.4 × 0.1–0.8 cm, margins slightly revolute, apex acute, rounded-apiculate, surfaces usually puberulent, hispid, and stipitate-glandular, rarely glabrous.

axillary near distal end, corymbiform racemes, 4–12-flowered.

axillary, scattered along stem, usually solitary flowers, sometimes fascicles or compact racemes, 2–5-flowered.

5–20 mm.

10–15 mm.

sepals usually green, sometimes reddish apically or throughout, ovate, 2–2.8 mm, apex usually acuminate, surfaces puberulent;

petals connate nearly their entire lengths, usually reddish purple to pink, rarely white or bluish pink, usually deeper colored near anther pockets and with ring of red to purple spots just proximal to pockets, 7.5–9.5 × 6–13 mm, abaxial surface puberulent, adaxial glabrous, puberulent toward base;

filaments 2.5–3.5 mm;

style 3.5–4.5 mm.

sepals tardily deciduous, green, lanceolate, 3–8 mm, apex acute, surfaces puberulent, hispid, stipitate-glandular;

petals connate their entire lengths, pink (rarely white), red near anther pockets, with ring of red spots proximal to pockets, 8–10 × 10–15 mm, usually sparsely hirsute and stipitate-glandular on keels abaxially, puberulent at base adaxially;

filaments 3–4 mm;

style 5–7.5 mm.

5-locular, 2–3.5 × 3–5 mm, puberulent, stipitate-glandular.

5-locular, 2–3.5 × 2–4 mm, sparsely stipitate-glandular.

winged, obovoid, 0.6–1 mm.

not winged, ovoid, 0.2–0.5 mm.

= 24.

= 24.