Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.
1 Leaf blades mostly ovate or deltate, widest below their midpoint; blade base subcordate, truncate, rounded, or abruptly contracted | |
2 Leaves conspicuously glandular on petiole and teeth, especially when young; leading twigs and branchlets geniculate | |