Asclepias amplexicaulis earns its name honestly: those broad opposite leaves clasp so firmly around the unbranched stem that the plant looks almost architectural in its simplicity. Native to the sandy soils and dry woodlands of the eastern United States, it grows 1 to 4 feet tall, sometimes bolt upright, sometimes sprawling informally across the ground. In summer a single cluster of pinkish-purple and green flowers crowns the stem, followed by the characteristic milkweed seed pods that split dramatically open as the season ends, releasing their silk-tufted seeds to the wind.

This is not a plant for every garden. It is rare enough to be protected in some states, and its particular requirement for sandy or rocky, well-drained soil in full sun means it will sulk in richer, moister conditions. Where those conditions exist, however, it is a genuinely distinctive addition to a pollinator planting or native garden. Bees work the flowers reliably. Propagation is from seed, though finding a source may take some effort. If you have the right sandy corner and the patience for searching it out, clasping milkweed rewards the investment with a spare, uncommon beauty.