Field of Science

Showing posts with label rare. Show all posts
Showing posts with label rare. Show all posts

Friday Fabulous Flower - Very rare, not an Aster

 TPP is back!  It was a great trip even if it required several episodes of covid testing (failed them all, a good thing), including one administered by a nurse helicoptered into a field camp for just 9 of us.  At any rate today's not a Friday, not an aster, is actually called a false Aster, Boltonia decurrens.  Presently it is flowering in our perennial garden.  At well over 7 feet tall it is truly a standout.  And this is a rare plant in Illinois, an endangered species.  And having never seen it in the field it was quite surprise.  Now TPP knows what you are going to say, "Endangered? it looks like a fleabane aster, an Erigeron.  And technically TPP has no idea why it isn't one, and sorry haven't had the chance to look it up.  The numerous narrow pinkish ray flowers and yellow disk flowers certainly to look like a fleabane aster.  This particular species has leaf bases that are prominently decurrent down the stem, but Verbesina (wing stem) as the name suggests has winged stems so the two could be confused if you only had stems.  Although the yellow ray flowers of the latter leave no doubts.






Happiness is a new plant

Nothing makes a botanist happier than a new plant particularly if it is something a bit unusual, a bit out of the ordinary, a bit rare.  Well, looky, looky what TPP has gotten as a gift from a colleague, a dwarf, African water lily, Nymphaea thermarum.  Here's a link to the Kew Gardens web page about this plant. It's pretty new to science so it's great fun to have such a plant, but it's extinct in the wild.  This is such a great plant, the world's smallest waterlily, and the only one to grow on the surface of hot mud rather than in water. TPP likes examining how unusual plants grow, and to see if they have any particular adaptations for their particular way of life. You only find out about such things by watching them grow and reproduce very carefully. 

Friday Fabulous Flower - green, fringed orchid

Just recently TPP posted the image of a rather small and inconspicuous orchid, the purple twayblade,  and here's another orchid in the same category and the same place, the green, fringed orchid (Platanthera (formerly Habenaria) lacera).  Jones' Flora of Illinois said this species was rare and limited to the northern-most counties, but our vegetational surveys in central Illinois have found this species surprisingly common such that you begin to think that such comments just mean people weren't looking enough or very hard or very closely. This plant was almost 0.5 m tall, but even then it was buried in meter tall vegetation such that if you weren't moving the taller plants aside for a look, you never ever would see it. This probably explains why so few specimens exist in our herbarium collection.