"Hymenopappus tenuifolius " is a biennial herb up to 150 cm ( 5 feet ) tall.
2.
The relationship between the two species has never been closely analyzed, but it does not appear that " P . grandiflorus " is simply an autotetraploid of " P . tenuifolius ".
3.
""'Lampranthus tenuifolius " "', the "'Narrow-leaf Brightfig "', is a critically endangered species of succulent plant that is endemic to the Cape Flats Dune Strandveld around Cape Town, South Africa.