patulous

Spreading or expanded.

Spreading.

Specifically— In botany, spreading slightly; expanded: as, a patulous calyx; bearing the flowers loose or dispersed: as, a patulous peduncle

In entomology, noting wings which when at rest are longitudinal, or nearly so, but near the body, and partly overlapping each other, as in certain moths.

Gaping; patent; having a, spreading aperture.

Open; expanded; slightly spreading; having the parts loose or dispersed

open; spread; exposed