Annual herb 15-50 cm. tall, erect or ascending; stems with a mixture of rigid hairs and minute glandular hairs.. Leaves opposite, linear to linear-lanceolate, 1.5-6 cm. long, 1-5 mm. wide, entire or with a few teeth, narrowed at both ends, glabrescent or with short and long hairs mixed, sometimes villous near the base.. Inflorescences borne in upper leaf-axils, the spikes small, (0.5-)0.8-l.5 cm. long; peduncles 1-5 cm. long; bracts ovate or narrowly ovate, 3.5-5 mm. long, drawn out into a long acumen at the apex, altogether ± 8 mm. long.. Sepals 3-4 mm. long, hairy and glandular, the posticous pair narrowly ovate to broadly oblanceolate.. Corolla cream to yellow, ± 4 mm. long; lobes ovate, 2 mm. long.. Capsule ellipsoid or rounded-ellipsoid, 3-3.5 mm. long.. Seeds reddish-brown, shining, oblong-ellipsoid, 2-3.25(-4) mm. long, convex on dorsal surface, concave-sulcate on hilar surface.. Fig. 1/10, p. 3.
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A short herb. It is an annual plant and has glandular-hairs that are sticky. The stems are much branched. The leaves are narrow and opposite or in rings. They are not fleshy and do not have teeth. The flowers are brownish-white and 4 mm long. They are in rounded clusters. The anthers are pale yellow.
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