솔잎란-Psilotum nudum (L.) P.Beauv.

과명	Psilotaceae (솔잎란과)	속명	Psilotum (솔잎란속)
전체학명	[정명] Psilotum nudum (L.) P.Beauv.	추천명	솔잎란
이명	솔잎난,송엽란	외국명	Whisk fern ,マツバラン

Psilotum nudum, the whisk fern, is a fernlike plant. Like the other species in the order Psilotales, it lacks roots.

Its name, Psilotum nudum, means "bare naked" in Latin, because it lacks (or seems to lack) most of the organs of typical vascular plants, as a result of evolutionary reduction. (Note that leaves are not actually absent, but greatly reduced.)

The embryo has only two parts, a distal shoot apex and a proximal foot. The shoot apex produces a rhizome without roots, possibly because P. nudum and relatives are often epiphytes. The rhizome in turn will eventually produce greatly reduced leaves instead of roots. These processes are heavily influenced by auxin concentrations.

P. nudum is found in tropical Africa, Central America, tropical and subtropical North America, South America,[5] tropical Asia, Australia, Hawaii, southern Japan, Lord Howe Island, New Zealand, with a few isolated populations in SW Europe ("Los Alcornocales", Spain, Cádiz province). Although most weeds are flowering plants, P. nudum is an unusual example of a weed because it is both nonflowering and rootless.

In tropical areas, this plant is often epiphytic, whilst in more temperate areas, such as south-eastern Australia, it is usually found growing in rock crevices. Thousands of people per day walk by these plants at the Sydney Opera House forecourt.

Psilotum nudum - Wikipedia

https://youtu.be/T0ZAzegUmuI