UW Burke Herbarium species comparison

Leaves opposite, sessile and clasping, elliptic-ovate to elliptic-oblong, 2-10 cm. long and 0.7-5 cm. wide, sharply serrate to entire.

Leaves 0.5-2 cm. wide, wider than long, palmately veined and lobed, usually with 3-5 lobes, with a petiole no longer than the blade; lowest leaves opposite;

leaves from the lowest flower upward all alternate and fully developed.

Inflorescence of many-flowered racemes on long peduncles arising in the leaf axils;

calyx of 4 highly variable sepals;

corolla blue, rotate, 4-lobed, the upper lobe the largest, about 5 mm. wide;

style 1.5-2.5 mm. long;

pedicels up-curved, 3-8 mm. long;

stamens 2.

Flowers borne singly and remotely in the axils of the alternate leaves on petioles up to 1.5 cm. long, along the elongate stem;

sepals 4, becoming 5-7 mm. long and deltoid-ovate with marginal hairs in fruit;

corolla pale blue, rotate, 3 mm. wide, 4-lobed;

style 0.6-1 mm. long;

stamens 2.

Capsule swollen, 2.5-4 mm. high and wide, scarcely notched.

Capsule 2.5-3.5 mm. high, broader than high, slightly notched.