Keel less than 1 cm. l.: peduncles shorter than the lvs., filiform, appressed-pubesc., 1-fld.: terminal lft. entire, not gibbously lobed, narrow lanc. to linear, 2.5-3 x 0.5 cm., mucronate; petiole slender, terete, appressed-pubesc.; lfts. thinly appressed-hairy, prominently reticulate; stem rib-striate, appressed-pubesc.