a creeping perennial herb, obscurely pubescent with closely-adpressed hairs similar in form to those of S. nodiflora; stem prostrate and rooting at the nodes or ascending, terete or subterete; internodes about 1 in. long; leaves opposite, petiolate, obovate, cuneate and entire towards the base, coarsely and acutely serrate-dentate towards the rounded or acute apex with obscure ascending primary lateral nerves, punctate-glandular, about 3/4 in. long, 1/6– 1/3 in. broad; spike ovoid, solitary, about 4 lin. long, 2–3 lin. in diam.; peduncle slender, terete, glabrescent, 2–2 3/4 in. long; bracts herbaceous, shorter than the flowers, obovate-cuneate or suborbicular, shortly caudate-acuminate, keeled, with a ciliate membranous margin, glabrous above, pubescent beneath, 1 1/2–2 lin. long, 1/2–1 lin. broad; calyx with 2 short acuminate ciliate lobes, compressed, mitre-shaped, pubescent on the keels with simple spreading hairs attached by their bases, elsewhere thinly membranous, minutely pubescent or glabrous, 1–1 1/2 lin. long; corolla white becoming red, glabrous, 2 1/2–3 lin. long; posterior lobe erect, broadly oblong, shortly bifid; anterior obscurely 3-lobed; ovary and style 1/2– 3/4 lin. long; pyrene (immature) ovoid, flattened at the commissure, 3/4 lin. long, 1/4– 1/2 lin. broad. null
