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Small woody, sericeous, aromatic shrub-lets (chamaephytes) 15-30 cm high, with a long thick woody taproot and gnarled basal stems covered with thick corky bark, producing an­nual shoots. Leaves subsessile, stipules reduced to 1-2 pairs of minute, subulate glands, lamina narrowly ovate, 2-5 cm long, 7-14 mm broad, apex acute to obtuse, base cuneate, margin serrate, with 1-2 pairs of sessile circular glands irregularly placed on lower surface near margin, densely pubescent with coarse simple hairs. Flowers axillary, solitary, opening in the morn­ing, fading at night, on short to long pedicels which become pendulous in fruit, with a pair of minute bracts. Sepals fused in lower third forming a cup, free above, narrowly ovate-acuminate, apiculate, c. 12 mm long, 3 mm broad, thin, dorsally somewhat hairy, 3-nerved, deciduous. Petals about as long as sepals, yellow, narrowly obovate, clawed, fused to the sepaloid cup below, alternating with the sepals and together producing a small erect, annular fringe at the mouth of the cup, deciduous. Stamens 5, free, hypogynous, filaments sub­ulate, glabrous, long or short, anthers versatile, introrse. Ovary

Information

Small woody, sericeous, aromatic shrub-lets (chamaephytes) 15-30 cm high, with a long thick woody taproot and gnarled basal stems covered with thick corky bark, producing an­nual shoots. Leaves subsessile, stipules reduced to 1-2 pairs of minute, subulate glands, lamina narrowly ovate, 2-5 cm long, 7-14 mm broad, apex acute to obtuse, base cuneate, margin serrate, with 1-2 pairs of sessile circular glands irregularly placed on lower surface near margin, densely pubescent with coarse simple hairs. Flowers axillary, solitary, opening in the morn­ing, fading at night, on short to long pedicels which become pendulous in fruit, with a pair of minute bracts. Sepals fused in lower third forming a cup, free above, narrowly ovate-acuminate, apiculate, c. 12 mm long, 3 mm broad, thin, dorsally somewhat hairy, 3-nerved, deciduous. Petals about as long as sepals, yellow, narrowly obovate, clawed, fused to the sepaloid cup below, alternating with the sepals and together producing a small erect, annular fringe at the mouth of the cup, deciduous. Stamens 5, free, hypogynous, filaments sub­ulate, glabrous, long or short, anthers versatile, introrse. Ovary