What’s a dichotomous key?
Help
Iva
See list of 2 species in this genus-
1a. Leaf blades glabrous; axis of capitulescence glabrous; petioles 3–10 mm long; peduncles 1–3 mm long; plants suffrutescent perennials of coastal marshes and shores
-
1b. Leaf blades adaxially strigose-scaberulous; axis of capitulescence pubescent; petioles 5–20 (–30) mm long; peduncles 0–1 mm long; plants annual of moist, often disturbed, inland soils
Show photos of:
Each photo represents one species in this genus.