Data mode


Sign up

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.

Key to Bacopa

1 Fresh plants strongly aromatic when bruised; corolla blue, 9-13 mm long; stem and leaves pubescent
1 Fresh plants not aromatic when bruised; corolla predominantly white (in some species slightly pink or marked with yellow), 2-10 mm long; stem and leaves pubescent or glabrous.
..2 Leaves glabrous; leaf margins crenate to serrate (sometimes entire in B. monnieri); flowers radially symmetrical.
....3 Leaf blades typically with 5+ nerves; leaf margins crenate; stems pubescent; pedicels 10-12 mm long
....3 Leaf blades with 1 nerve; leaf margins entire or serrate; stems glabrous; pedicels 5-30 mm long
..2 Leaves pubescent (sometimes the pubescence fine or inconspicuous in B. innominata), leaf margins entire; flowers bilaterally symmetrical.
......4 Corolla 4-10 mm long, white with a yellow throat; capsule ca. 5 mm long
......4 Corolla 2-5 mm long, white or pink, without a yellow throat; capsule 2-3 mm long.
........5 Leaves strongly clasping, mostly ovate; stamens 2 (or very rarely 4); [native]
........5 Leaves only slightly clasping, mostly obovate; stamens 4; [a very rare introduction]