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Magnoliopsida
Gentianales
Order · 41 species with a result in Ohio
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Stage
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Reported in flower 15
Reported in fruit 3
When
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This week 2
Next 4 weeks 1
Status
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Introduced 8
41 species
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Name A–Z
Season timing
Most records
Group
lesser periwinkle
Vinca minor
· Flowering plants
Photo © Miroslav Marić · CC BY-NC 4.0
Early March to mid-October, middle week Apr 19–25
azure bluet
Houstonia caerulea
· Flowering plants
Photo © bassteeth · CC BY-NC 4.0
Early April to early June, middle week Apr 26 – May 2
pennywort
Obolaria virginica
· Flowering plants
Photo © earthling_catalogue · CC BY-NC 4.0
Late March to late May, middle week Apr 26 – May 2
catchweed bedstraw
Galium aparine
· Flowering plants
Photo © Magnus Hagdorn · CC BY-SA 4.0
Mid-March to early June, middle week May 3–9
American columbo
Frasera caroliniensis
· Flowering plants
Photo © Mark Kluge · CC BY-NC 4.0
Late March to early August, middle week May 10–16
greater periwinkle
Vinca major
· Flowering plants
Photo © Σάββας Ζαφειρίου (Savvas Zafeiriou) · CC BY-NC 4.0
Late March to mid-October, middle week May 10–16
eastern bluestar
Amsonia tabernaemontana
· Flowering plants
Photo © amy_b · CC BY-NC-SA 4.0
Early May to mid-June, middle week May 17–23
four-leaved milkweed
Asclepias quadrifolia
· Flowering plants
Photo © Matt Tomlinson · CC BY-NC 4.0
Early May to early June, middle week May 24–30
summer bluet
Houstonia purpurea
· Flowering plants
Photo © Patrick Coin · CC BY-NC-SA 4.0
Late May to late June, middle week Jun 7–13
partridgeberry
Mitchella repens
· Flowering plants
Late in its season
Photo © Susan Elliott · CC BY-NC 4.0
Early March to early November, middle week Jun 14–20
long-leaved bluets
Houstonia longifolia
· Flowering plants
Photo © Sadie Hickey · CC BY-NC 4.0
Early May to mid-August, middle week Jun 21–27
purple milkweed
Asclepias purpurascens
· Flowering plants
Photo © dogtooth77 · CC BY-NC-SA 4.0
Late May to mid-July, middle week Jun 21–27
butterfly milkweed
Asclepias tuberosa
· Flowering plants
Photo © Michael J. Papay · CC BY 4.0
Early June to mid-September, middle week Jul 5–11
hemp dogbane
Apocynum cannabinum
· Flowering plants
Photo © kqedquest · CC BY-NC 4.0
Late April to late September, middle week Jul 5–11
prairie milkweed
Asclepias sullivantii
· Flowering plants
Photo © Travis Bonovsky · CC BY-NC 4.0
Mid-June to late August, middle week Jul 5–11
Lesser Centaury
Centaurium pulchellum
· Flowering plants
Photo no rights reserved, uploaded by 葉子 · CC0 1.0
Late June to mid-August, middle week Jul 12–18
common milkweed
Asclepias syriaca
· Flowering plants
Photo © Randy Nonenmacher · CC BY-SA 4.0
Late May to early November, middle week Jul 26 – Aug 1
Rosepink
Sabatia angularis
· Flowering plants
Photo © Ross Hornsby · CC BY-NC 4.0
Mid-July to late August, middle week Jul 26 – Aug 1
swamp milkweed
Asclepias incarnata
· Flowering plants
Photo © aarongunnar · CC BY 4.0
Mid-June to mid-September, middle week Jul 26 – Aug 1
tall green milkweed
Asclepias hirtella
· Flowering plants
Photo © aarongunnar · CC BY 4.0
Late June to late August, middle week Jul 26 – Aug 1
buttonbush
Cephalanthus occidentalis
· Flowering plants
Late in its season
Photo © Michael J. Papay · CC BY 4.0
Late June to late November, middle week Aug 2–8
whorled milkweed
Asclepias verticillata
· Flowering plants
Photo © jaege202 · CC BY-NC 4.0
Early July to early October, middle week Aug 2–8
honey-vine climbing milkweed
Cynanchum laeve
· Flowering plants
Photo © howardecoworks · CC BY-NC 4.0
Early June to mid-October, middle week Aug 9–15
pale gentian
Gentiana alba
· Flowering plants
Photo © Ryan Grow · CC BY-NC 4.0
Early August to mid-October, middle week Sep 13–19
closed bottle gentian
Gentiana andrewsii
· Flowering plants
Photo © Bonnie Kinder · CC BY-NC 4.0
Late August to mid-October, middle week Sep 20–26
greater fringed gentian
Gentianopsis crinita
· Flowering plants
Photo © Jesse Lincoln · CC BY-NC 4.0
Mid-September to mid-October, middle week Sep 27 – Oct 3
agueweed
Gentianella quinquefolia
· Flowering plants
Photo © Peter Gorman · CC BY-NC-SA 4.0
black swallow-wort
Vincetoxicum nigrum
· Flowering plants
Photo © jacinta lluch valero · CC BY-SA 4.0
bottle gentian
Gentiana clausa
· Flowering plants
Photo © zen Sutherland · CC BY-NC-SA 4.0
Canadian Summer Bluet
Houstonia canadensis
· Flowering plants
Photo © Rob Curtis · CC BY-NC-SA 4.0
Field madder
Sherardia arvensis
· Flowering plants
Photo © Gilles San Martin · CC BY-SA 4.0
fragrant bedstraw
Galium triflorum
· Flowering plants
Photo © jonas_barzdenas · CC BY-NC 4.0
No season shown
green antelopehorns
Asclepias viridis
· Flowering plants
Photo © sonnia hill · CC BY 4.0
green comet milkweed
Asclepias viridiflora
· Flowering plants
Photo © davecz2 · CC BY-SA 4.0
Hedge Bedstraw
Galium mollugo
· Flowering plants
Photo © neuenheimer · CC BY-NC 4.0
No season shown
lance-leaved wild licorice
Trichogalium lanceolatum
· Flowering plants
Photo © Daniel Sembroski · CC BY-NC 4.0
poke milkweed
Asclepias exaltata
· Flowering plants
Photo © Michael J. Papay · CC BY 4.0
shining bedstraw
Galium concinnum
· Flowering plants
Photo © Erin Haase · CC BY-NC 4.0
No season shown
spreading dogbane
Apocynum androsaemifolium
· Flowering plants
Photo © Thayne Tuason · CC BY-NC 4.0
Sweet Woodruff
Galium odoratum
· Flowering plants
Photo Žádná práva nejsou vyhrazena, nahrál/a Peter de Lange · CC0 1.0
yellow screwstem
Bartonia virginica
· Flowering plants
Photo © Elizabeth Herr · CC BY-NC 4.0
Families in Gentianales
Apocynaceae
18
Rubiaceae
13
Gentianaceae
10
Missing records do not mean a species is absent.