UW Burke Herbarium species comparison

Basal leaves many, linear to linear-lanceolate, 1-2 cm. long and 1.5-2 mm. broad, sessile;

cauline leaves similar, usually only 1 or 2 pairs.

Leaves mostly basal, staying attached for many years, linear to linear-lanceolate, sessile, 4-10 mm. long, glabrous or scabrous.

Flowers few, perfect;

calyx 5-lobed, tubular, 10-12 mm. long, with 10 prominent, purple nerves;

petals 5, white to greenish or lavender, the claw 8-13 mm. long, the blade 3-5 mm. long, bi-lobed less than half its length, usually with small, lateral teeth; appendages 2, 2.5-3.5 mm. long, hairy;

stamens 10;

styles usually 3.

Flowers single, from nearly sessile or with peduncles up to 4 cm. long, usually dioecious;

calyx tubular, 5-lobed, 3-10 mm. long, pinkish;

petals 5, pink to lavender, 8-12 mm. long, the claw about twice as long as the blade;

blade appendages 2, very small or lacking;

stamens 10;

styles 3.

Capsule 1-celled.

Capsule 3-celled, opening by 6 teeth.