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
(0.1¢/species)
Donate $30 per month
(0.3¢/species)
Donate $50 per month
(amazing!)
Donate another
or one-time amount
Copy permalink to share

Duravia species 2 . Glade Knotweed, Slender Knotweed. Phen: Jul-Oct; Aug-Nov. Hab: Glades, barrens, and thin, rocky soils, over various rock types (including granite, diabase, amphibolite, greenstone, metagabbro, and shale), also in dry sands. Dist: ME, ON, MN, SD, WY, south to GA, AL, MS, LA, TX.

Origin/Endemic status: Native

Synonymy ⓘ: = Polygonum tenue Michx. – Ar, C, FNA5, GrPl, Il, K4, Mi, NcTx, NE, NY, Pa, RAB, S, S13, Tn, Tx, Va, W, WV, Horton (1972), Mitchell & Dean (1978); > Polygonum tenue Michx. var. protrusum Fernald – F, G, K1; > Polygonum tenue Michx. var. tenue – F, G, K1

Links to other floras: = Polygonum tenue - 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© Armin Weise | Original Image ⭷
image of plant© Alan M. Cressler | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Aidan Campos source | Original Image ⭷
image of plant© Jennifer Stanley | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Alan Cressler: Polygonum tenue, Cowrock Mountain, Raven Cliffs Wilderness, Chattahoochee National Forest, White County, Georgia 1 by Alan Cressler source | Original Image ⭷
image of plant© Armin Weise | Original Image ⭷
image of plant© Radford, Ahles and Bell | Original Image ⭷

Feedback

See something wrong or missing on about Duravia species 2? 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.