Alocasia plants, often called elephant's ears, are tropical plants known for their large, striking leaves that can grow up to 3 feet long and 2 feet wide. They have a robust, upright growth habit with long, thick petioles (leaf stalks) supporting the leaves. Alocasia plants are popular for their ornamental value and can be grown indoors or outdoors in suitable climates. 

Here's a more detailed description:

Leaves:

Alocasia leaves are large and prominent, often with a distinct arrowhead or heart shape (sagittate or cordate). They have prominent veins and can be smooth or slightly waxy. Some varieties also have unique patterns or colors, such as the "Black Velvet" or "Dragon Scale" varieties. 

Stems and Growth:

Alocasia plants develop thick, sturdy stems (petioles) that support the leaves, giving them an upright, architectural look. They grow from a corm (bulb-like underground stem), and can reach significant heights, especially in warmer climates. 

Flowers:

Alocasia flowers are not particularly showy, typically hidden behind the leaf petioles. They consist of a yellowish-green spathe (a modified leaf) and a spadix (a fleshy stalk bearing the tiny flowers). 

Habitat:

Alocasia plants are native to the tropical and subtropical regions of Southeast Asia and the Pacific Islands. They thrive in moist, humid conditions and prefer partial shade. 

Uses:

While primarily known for their ornamental value, some Alocasia species, like Alocasia macrorrhizos (giant taro), have been used as a food crop in some areas, particularly in Oceania. The stems and corms of these plants are edible when cooked. 

Toxicity:

Alocasia plants contain calcium oxalate crystals, which can cause irritation or discomfort if ingested. It's important to keep them out of reach of children and pets.