Thymophylla acerosa
A low subshrub of lower elevations. Like the other Thymophylla and Pectis, it has conspicuous glands on the phyllaries.
Plant habit near The Chimneys at Big Bend National Park, 3/23/06.
A pseudanthium at The Chimneys, 3/23/06.
Side view of a pseudanthium showing the glands, 3/23/06.