They sometimes produce so much nectar that it drips out of the flowers.

The flowers produce nectar in a chamber at the base of the floral tube.

They also produce nectar at varying times of the day.

They have a strong sweet scent and produce abundant nectar.

They do not have a scent or produce nectar.

They remain open for two days, but produce nectar only the first day.

The flowers remain open into the daylight hours and continue to produce nectar after sunrise.

Black Sage honey can only be made when specific rain conditions are met and the plant produces enough nectar.

The flowers last about a week, and unlike other Hoyas, produce very little nectar.

Each flower produces nectar for around seven days after opening.