Sentences with word «pappus»

The feathery pappus on the groundsel seed head are ready for wind dispersal as seen at 2x in the second - place image.

The minute, sharply - pointed, bristly pappus hairs easily detach from the top of the «seeds» and are carried by the slightest breeze — attaching to skin, mucous membranes, and eyes where they can cause severe dermal irritation, possible respiratory manifestations, and ophthalmia.

Once harvested, the fluffy pappus should be removed from the seeds.

While most materials can be wetted only by water (hydrophilic) or oil (oleophilic), the researchers found the pappus of a dandelion — the fluffy, white structure surrounding the seed — is omniphilic, able to be saturated by both materials.

The pappus assists in the dispersal of the seeds by wind, acting as a parachute.

You will know which seeds are the most mature because they turn brown and are protected by the pappus, a circle of hairs formed from the modified calyx that appears as silvery white fluff.

You can see Meis accepting a People's Choice Award for her Pappus software at the Tools of Change Conference's (Toc) Startup Showcase last month — her award is at 5:30 in the video.

These fine hairs are technically known as «pappus» and allow the attached «achene» (seed) to disperse by wind.