2024 Edition • Get the App • Cite this Page
X

Colors

Data mode

Account

Login
Sign up

Collapse this

Support the Flora of the Southeastern US

2024 has been a banner year for making the best flora we can imagine. We've created:
With financial support from people like you, we are aiming even higher in 2025. Together we can accomplish all this: Vote on our 2025 priorities
  • Add Global Conservation Ranks (GRanks) vote
  • Professional graphic keys (polyclaves) to individual families/genera vote
  • 2 new FloraQuest apps: Florida & Mid-South vote
  • Image overlays highlighting diagnostic characters with arrows vote
  • iNaturalist integration in FloraQuest vote
Write-in vote: vote
We've set a goal of recruiting 200 ongoing supporters to donate $15 or more each month in 2025. Please help us reach this goal and make next year's flora even better:
Donate $15 per month
(0.02¢/plant image)
Donate $30 per month
(0.05¢/plant image)
Donate $50 per month
(amazing!)
Donate another
or one-time amount
Copy permalink to share

Polygonella americana (Fischer & C.A. Meyer) Small. Southern Jointweed. Phen: Jun-Oct; Aug-Nov. Hab: Longleaf pine sandhills, other dry woodlands, glades, and barrens with sandy or rocky soil. Dist: Sc. NC south to c. TX, north in the interior to ec. TN, se. MO, and AR; disjunct in Panhandle TX and NM.

Origin/Endemic status: Native

Synonymy ⓘ: = Ar, F, FNA5, G, GrPl, K1, NcTx, RAB, S, Tn, Tx, Horton (1961); = Gonopyrum americanum Fisch. & C.A.Mey. – S13; = n/a – C; = Polygonum americanum (Fisch. & C.A.Mey.) T.M.Schust. & Reveal – K3, K4, Schuster, Reveal, & Kron (2011)

Links to other floras: = Polygonella americana - FNA5

Show in key(s)

Show parent genus

Heliophily ⓘ: 9

Your browser does not support SVGs

Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.

image of plant© Jake Smith, some rights reserved (CC BY-NC), uploaded by Jake Smith source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Scott Ward, some rights reserved (CC BY), uploaded by Scott Ward source CC-BY | Original Image ⭷
image of plant© Bruce Sorrie
image of plant© Jake Smith, some rights reserved (CC BY-NC), uploaded by Jake Smith source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Scott Ward, some rights reserved (CC BY), uploaded by Scott Ward source CC-BY | Original Image ⭷
image of plant© Radford, Ahles and Bell | Original Image ⭷

Feedback

See something wrong or missing on about Polygonella americana? Let us know here: (Please include your name and email if at all complicated so we can clarify if needed.) We greatly appreciate feedback, and will include updates from you in our next webapp update, which can take a few months.