Flora of North America species comparison

often several from base, erect to decumbent, branched or unbranched, glandular-hispid and puberulent.

erect to decumbent, often reddish, much-branched, purple-red glandular-setose, glandular-viscid.

opposite, sessile or subsessile;

petiole 0–1 mm;

blade ovate-lanceolate to oblong or elliptic, 5–15[–20] × 2–7[–10] mm, base cuneate to rounded.

leafy.

leafy.

0–3 mm.

1–5 mm.

alternate, solitary, interpetiolar;

floral tube green abaxially, purple adaxially, 5.5–8(–9) × 2–2.5 mm, sparsely glandular-hispid;

base rounded, 0.5 mm;

inner surface glabrous proximally, villous distal to stamens;

epicalyx segments thick, not terminated by a bristle;

sepals equal;

petals (2–)6, oblanceolate or oblong, unequal, 4 abaxial ones pale purple and 4–4.7 × 2.5–2.8 mm, 2 adaxial ones purple [deep purple or with deep purple midvein] and 4 × 1.5–1.9 mm;

stamens 11, reaching or surpassing sinus of sepals.

alternate, solitary, interpetiolar, sometimes with 1 axillary;

floral tube pale abaxially, deep purple-red adaxially, 8–12 × 1–2 mm, purple-red glandular-setose;

base rounded or a descending spur, 0.5–1 mm;

inner surface glabrous proximally, densely villous distal to stamens;

epicalyx segments thick, 2 flanking the adaxialmost sepal terminated by a bristle;

sepals unequal, adaxialmost longer;

petals 6, purple, oblanceolate, unequal, 4 abaxial petals 2–5 × 0.4–0.6 mm, 2 upper petals 3–6 × 1.5–2.5 mm;

stamens (5–)11, reaching or surpassing sinus of sepals.

8–13(–20), suborbiculate in outline, 1.5–2 × 1.5–1.7 mm, margin rounded.

7–10, oblong-elliptic in outline, 2.3–2.8 × 1.8–2.3 mm, margin rounded.

, petiolate;

petiole (2–)5–15(–20) mm;

blade narrowly lanceolate to narrowly ovate, 20–50 × 6–20 mm, base attenuate.

= 28, 32 (Bolivia), 34 (Paraguay).

= 12.