young branchlets puberulous; leaves 3-nate, adpressed-imbricate, 1/3–1 lin. long with the petiole, linear-oblong, obtuse or subacute, at first more or less puberulous and minutely ciliate with very fine woolly hairs, becoming glabrous; heads loosely globose, terminal, about 1/3 in. in diam., 4–6-flowered; pedicels 3/4–1 lin. long, bracteate near the middle; bracts 2/3–1 lin. long, with the tips of the upper pair applied to the calyx and the lower one scarcely reaching it, lanceolate or oblong-lanceolate, acute, glabrous, ciliate with very long simple hairs; calyx 4-partite; segments about 1 lin. long, 1/3– 1/2 lin. broad, ovate or lanceolate, acute, hairy on the back and ciliate with simple or slightly scabrous hairs 3/4–1 2/3 lin. long; corolla-tube 1 1/2–1 3/4 lin. long, constricted at the middle, subglobose or oblong-ovoid and sharply 4-angled below the constriction, cup-shaped above it, more or less puberulous outside and at the constriction within; lobes 1/3– 1/2 lin. long, broadly ovate or rounded, concave, erect, glabrous; anthers 1/2 lin. long, cuneate-subquadrate, minutely scabrous, densely ciliate or somewhat hispid around the inner margins, spurless; ovary obtuse, glabrous; style 2 1/2 lin. long, much exserted, glabrous; stigma thickened, scarcely capitate. null
