It is *Quercus palustris* Münchh. only. Pl. see the differences: https://bplant.org/compare/172-174
On Sun, 1 Feb 2026 at 13:49, Saroj Kasaju <[email protected]> wrote: > *Quercus rubra* L. ?? > > https://www.google.com/url?sa=t&source=web&rct=j&url=https%3A%2F%2Fcommons.wikimedia.org%2Fwiki%2FFile%3ANAS-028_Quercus_rubra.png&ved=0CBoQjhxqFwoTCMjUguftt5IDFQAAAAAdAAAAABAI&opi=89978449 > > Thank you. > > Saroj Kasaju > > > On Sun, Feb 1, 2026 at 1:36 PM JM Garg <[email protected]> wrote: > >> There are two closely related species with differences (Google AI view) >> as below: >> *Quercus palustris* (Pin Oak) and *Quercus coccinea* (Scarlet Oak) are >> closely related, deciduous North American red oaks often confused due to >> similar, deeply lobed leaves. The primary difference is habitat and >> morphology: *Q. palustris* thrives in moist/wet soils, features U-shaped >> leaf sinuses, and retains lower, drooping dead branches ("pins"). *Q. >> coccinea* prefers dry, upland sites, has C-shaped sinuses, and cleaner >> trunks. >> *Key Differences Between Quercus palustris and Quercus coccinea* >> >> - *Habitat:* *Q. palustris* (Pin Oak) thrives in floodplains, wet, >> and poorly-drained soils. *Q. coccinea* (Scarlet Oak) prefers dry, >> sandy, or rocky upland sites. >> - *Leaf Sinuses:* *Q. palustris* has deep sinuses that form a 'U' >> shape. *Q. coccinea* has deep sinuses that are more 'C' shaped or >> "closed". >> - *Leaf Underside:* *Q. palustris* has small, conspicuous tufts of >> pale orange-brown down (hair) in the vein axils. *Q. coccinea* leaves >> are generally hairless (glabrous). >> - *Branches:* *Q. palustris* is known for having many small, dead, >> downward-pointing branches that persist on the lower trunk (the "pins"). >> *Q. >> coccinea* typically self-prunes better, lacking these persistent >> lower branches. >> - *Acorns:* *Q. palustris* acorns are smaller ( >> mm) with a very thin, shallow, saucer-shaped cap. *Q. coccinea* >> acorns are larger ( >> mm) with a deeper, bowl-shaped cap that covers about half the nut. >> - *Buds:* *Q. palustris* winter buds are small, light brown, and >> generally hairless (glabrous). *Q. coccinea* buds are covered in >> reddish-brown hairs on the top half. >> - *Growth Form:* *Q. palustris* has a distinct, often narrow >> pyramidal shape, with upper branches ascending, middle horizontal, and >> lower descending. >> >> So it should be *Quercus palustris* Münchh. >> >> ---------- Forwarded message --------- >> From: Aarti S. Khale <[email protected]> >> Date: Thursday, 10 January 2019 at 11:32:44 am UTC+5:30 >> Subject: Quercus Species for ID : Atlanta,Georgia : 10JAN19 : AK-9 >> To: efloraofindia <[email protected]> >> >> >> Quercus Species seen in a park. >> For Species id please. >> Aarti >> >> -- >> You received this message because you are subscribed to the Google Groups >> "eFloraofIndia" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion, visit >> https://groups.google.com/d/msgid/indiantreepix/5297eaea-5ad8-48ac-8320-33494a3c04cbn%40googlegroups.com >> <https://groups.google.com/d/msgid/indiantreepix/5297eaea-5ad8-48ac-8320-33494a3c04cbn%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- With regards, J.M.Garg, https://efloraofindia.com/ -- You received this message because you are subscribed to the Google Groups "eFloraofIndia" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion, visit https://groups.google.com/d/msgid/indiantreepix/CA%2BiuSFALfgkqYXa9M83-pLp1%2BzMgpm0qN%2B6h3Jo7%2BAT%2B-ziBDg%40mail.gmail.com.
