tuber up to 6 in. in diam., depressed; stems 2–9 in. high, puberulous, usually simple; leaves 3–7 pairs to a stem, shortly petiolate, 1–3 in. long, 3–9 lin. broad, linear-lanceolate, narrowly oblong, oblanceolate-oblong or narrowly obovate, acute, or obtuse and apiculate, conspicuously and softly pubescent on both sides; petioles 1 1/2–3 lin. long; cymes very dense, subglobose, about 3/4 in. in diam., subaxillary, or crowded together at the top of the stem, many-flowered, sessile or pedunculate; peduncles 2–6 lin. long, pubescent; bracts 2–3 lin. long, subulate, pubescent; sepals 1 3/4–2 1/4 lin. long, 1/3– 1/2 lin. broad, linear-subulate, pubescent; corolla pubescent outside, bright green; tube campanulate, 1–1 1/3 lin. long; lobes 1 3/4–2 2/3 lin. long, 3/4–1 1/4 lin. broad, oblong or elongate-ovate, obtuse, ascending; corona-lobes arising at the mouth of the corolla-tube, very shortly transverse-rectangular at the base, 3-fid, the middle segment or tooth 1 1/4–2 lin. long, filiform, the lateral varying from mere acute shoulder-teeth to filiform and 1/3– 1/2 as long as the middle segment, erect or more or less divergent, sometimes connate with those of the adjacent lobes and forming 5 short bifid lobules alternating with 5 long filiform teeth; anthers ovate, acute. null
