A shrub with straight slender branches, having a pale grey (glaucous?) bark and rather distant nodes, from which arise short, and proportionately stout latera shoots 1/8-1/4 in. long, bearing leaves and flowers. Leaves subfasciculate on the lateral shoots, 3/4-1 in. long, 1-2 lin. broad, linear or linear-spathulate, obtuse or subacute, gradually narrowing to the base, subsessile, glabrous. Flowers solitary in the axils of the leaves, one or two (or more ?) in each tuft of leaves; pedicels 3-7.5 lin. long, bracteate at about the middle, slender, glabrous. Sepals 1 lin. long, lanceolate acuminate. Corolla-tube campanulate, 1 lin. Long; lobes lanceolate or, linear-lanceolate, 3 lin. long, twisted in the bud, glabrous. Coronal-lobes arising from the middle of the corolla-tube, 1.5-2 lin. long, filiform or subulate. Anthers connivent, acuminate. Style shorter than the anthers, conical at the apex.
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A small shrub. It has straight slender branches. It grows 1 m tall. The leaves are 9-45 mm long by 1-6 mm wide.
Shrub land and grassland, on plains and hillsides, often on well-drained, rocky to sandy soils, but also on alluvial soils, at elevations from sea-level up to 2,000 metres.
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It is a tropical plant. It grows in hot arid areas up to 2,000 m above sea level.