Main features of the subsection :
Dwarf, usually prostrate shrubs ; young growth scaly, glabrous or pubescent. Leaves evergreen, lower surface papillose, often whitish, scales for the most part deciduous, distant, vesicular. Inflorescence terminal, 1-3-flowered. Corolla campanulate ; stamens 10, regularly arranged ; ovary impressed below the sharply deflexed style. Seeds lacking wings and only obscurely finned.
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