Helixanthera coccinea Danser

Plant dark rusty tomentose on all young parts, the leaves and fruits soon glabrescent. Leaves scattered or subopposite; lamina narrowly to broadly ovate, 4-12 by 2.5-7 cm, truncate to slightly cordate at the base to a slender petiole 10-22 mm long, attenuate and shortly rounded or obtuse at the apex, thin, dull on both sides; venation pinnate with the midrib visible above and raised below and a few main laterals faintly visible on both sides. Inflorescencess at the nodes, a 10-30-flowered raceme; axis 15-70 mm long, slender, flexuose; pedicels 0.5-2 mm long; bracts simple, ovate, c. 1 mm long. Ovary urceolate, c. 1.5 mm long; calyx limb c. 0.3 mm long, weakly toothed. Corolla in mature bud 4-merous, 4-6.5(-8) mm long, strongly keeled in the lower part, weakly clavate and broadly acute at the apex, greenish or reddish brown to bright red. Anther c. 1 mm long, obtuse, nearly as long as the free part of the filament. Style 3.5-6(-7.5) mm long, reaching to the top of the anthers, distinctly widened upwards, lacking a constriction; quadrangular; stigma capitate, 1.5 times as wide as the style apex.