sagittate

1. Tropical rhizomatous plant cultivated as an ornamental for its large sagittate leaves.
   热带生地下茎的草本植物，通常是为了观赏其巨大的箭形叶子。
2. Genus of aquatic herbs of temperate and tropical regions having sagittate or hastate leaves and white scapose flowers.
   生长于温带或热带地区的一个水生草本植物属，叶箭头状或戟形，花具花葶，白色花。

adj

1. (of a leaf shape) like an arrow head without flaring base lobes

   Synonym:    sagittiformarrow-shaped