Flora of North America species comparison

decumbent to scandent.

ascending to decumbent.

blade narrowly lanceolate to lanceolate-oblong, lanceolate-elliptic or ovate, 1.5–14 × 0.5–3.3 cm, margins scabrous, apex acute to acuminate, glabrous.

blade sessile, linear to linear-lanceolate, 2–15 × 0.3–1 cm, glabrous or sparsely hirsute.

distal cyme 1–several-flowered, usually exserted;

spathes solitary, bright green, without contrasting veins, pedunculate, usually distinctly falcate, (0.5–)0.8–4 × 0.4–1.2(–1.4) cm, margins distinct, glabrous or scabrous, sometimes also sparsely ciliate or ciliolate basally, apex usually acuminate, usually glabrous or nearly so;

peduncles 0.5–2(–4) cm.

proximal cyme ± 2-flowered, distal cyme absent;

spathes solitary, whitish basally, pedunculate, usually slightly falcate, 0.9–2 × 0.4–1 cm, margins distinct, connate basally, apex acuminate, sparsely hirsute;

peduncles 0.3–1.6 cm.

bisexual and staminate;

petals all blue (rarely all lavender), proximal petal smaller;

medial stamen anther connective usually with transverse band of violet;

staminodes 2–3;

antherodes yellow, medial often absent or vestigial, cruciform.

bisexual, less than 1 cm wide;

proximal sepals connate, forming cup;

paired petals apricot- or peach-colored, proximal petal white, minute;

staminodes 3;

antherodes yellow, cruciform.

3-locular, 2-valved, 4–6.3 mm.

3-locular, 3-valved, 4–5.5 mm.

5 (or less through abortion), brown, 2–2.8(–3.2) × 1.4–1.8 mm, deeply reticulate.

5, brown, 1.9–2.7 × 2–2.4 mm, reticulate.

= 56.