OregonFlora species comparison

usually angled, sometimes winged.

even-pinnate;

rachises sometimes winged, usually terminated in a simple or branched, prehensile tendril, sometimes reduced to bristle or absent;

leaflets 0–16, paired or unpaired; ovate to linear, usually decreasing in size from base of rachis;

margins entire;

stipules foliose; semi-sagittate, rarely sagittate or hastate.

erect or lax; axillary racemes, with 1–many flowers;

bracts absent;

bracteoles absent.

calyx tubes symmetrically or obliquely campanulate with 5 equal or unequal lobes; dorsal lobes; if unequal; short and triangular;

lateral lobes and keel lobes longer and lanceolate or linear;

corollas white, pink, lavender; rose, red, blue, or purple;

wings and keels usually lighter than banners;

banner claws convolute around other petal claws;

banner blades usually folded perpendicular to axis of flowers, occasionally reflexed against calyx tubes;

wings adherent to keels with ball and socket mechanism, usually subequal to keels;

keels incurved, attenuate; lower and distal margins fused;

stamens diadelphous;

anthers uniform;

ovaries glabrous or pubescent;

styles abaxially compressed, sometimes twisted, adaxially pubescent.

linear, flattened or terete, glabrous or pubescent; non-septate, usually with obscure margins, splitting along both margins;

valves twisted after dehiscence, sessile, rarely stipitate.

3–15; spherical, sometimes angular, usually dull brown; black, tan, or dark green, often mottled.

=14.