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 Lower leaf surface densely white-pubescent; calyx lobes subulate or triangular-subulate; leaves linear to narrowly lanceolate | |
1 Lower leaf surface glabrous or inconspicuously pubescent; calyx lobes triangular to triangular lanceolate; leaves narrowly lanceolate to ovate or elliptic (to 4 cm wide) |