| Field notes | Presently mostly shaded, grassy places in the mixed bamboo/ deciduous forest; granite bedrock slinder vine; stems, leaf axes, tubercles on the inflorescence green; calyx light greenish-yellowish; standard outside pale lilac-whitish, inside more lilac with violet medially; wings violet, keel tip lilac, lower 2/3 whitish; anthers yellow, filaments and style whitish, stigma green; leaflets dark green above, green underneath |