OregonFlora species comparison

arising laterally, 5–15 cm.

obovate to orbicular, 3–6 × 1–2 cm;

margins entire or dentate.

rosulate;

margins entire, dentate, or pinnatifid, usually petiolate.

spatulate, 1–2 cm × 3–6 mm;

margins entire.

bases not auriculate.

fruiting pedicels divaricate, slightly sigmoid, 8–15 mm.

bracts 0 or rarely basally with bracts.

sepals narrowly lanceolate, 5–8(9) mm;

petals narrowly oblanceolate, 9–12 mm, yellow;

claws undifferentiated;

ovules 4–12 per ovary;

styles (4)6–8 mm.

sepals erect or spreading, oblong to ovate, saccate;

petals broadly ovate or spatulate; > sepals, usually yellow, clawed or not, nectar glands confluent or lateral;

stamens 6, tetradynamous;

anthers obtuse;

ovules 4–28(40) per ovary;

septa complete or perforate, usually with apical midvein extending to center;

styles distinct;

stigmas entire.

didymous; terete, bases obtuse to subcordate;

tips notched, pubescent, retaining seeds after dehiscence;

valves keeled and 3-angled on back; flat-sided; bladdery, strongly inflated, 1–1.5 × ~1 cm; replums oblong, obtuse at tip, 4–6 × ~1 mm; narrower than fruits.

dehiscent silicles, latiseptate, or angustiseptate, inflated or not, globose, ellipsoid, oblong; ovoid, or didymous; terete, unsegmented;

valves not torulose; replums rounded.

not margined.

biseriate, often suborbicular, flattened, lenticular or plump, mucilaginous or not when wetted; wingless or rarely winged or margined;

cotyledons accumbent.

few-rayed, with umbos;

rays forked, slightly tuberculate.

stellate or scurfy; short-stalked or sessile.

=8, 10, 16, 24.