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

Crataegus calpodendron (Ehrhart) Medikus. Pear Hawthorn. Phen: May-early Jun; Sep-Oct. Hab: Mixed hardwood forests, open slopes, wooded ravines, streamsides, especially over basic or calcareous rocks. Dist: NY w. to MN, s. to GA, OK. This species is relatively common in its generally northern range, uncommon in its southern range extensions in uplands from VA to MO, and rare in the Coastal Plain of GA, AL.

ID notes: Often found as a solitary specimen or in small local populations. One of the latest hawthorns in our area to flower.

Origin/Endemic status: Native

Synonymy ⓘ: = C, FNA9, GrPl, Il, K1, K3, Mi, NY, Pa, RAB, S, Tn, W, Lance (2014); > Crataegus calpodendron (Ehrh.) Medik. var. calpodendron – F, G; > Crataegus calpodendron (Ehrh.) Medik. var. globosa (Sarg.) E.J.Palmer – F, G; > Crataegus calpodendron (Ehrh.) Medik. var. microcarpa (Chapm.) E.J.Palmer – F, G; > Crataegus carrollensis Sarg. – Sargent (1922a); > Crataegus chapmanii Beadle – S13; > Crataegus microcarpa Chapm.; > Crataegus tomentosa Du Roi

Links to other floras: = Crataegus calpodendron - FNA9

Show in key(s)

Show parent genus

Heliophily ⓘ: 6

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© Tomás Curtis, some rights reserved (CC BY-NC), uploaded by Tomás Curtis source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© jim_keesling, some rights reserved (CC BY-NC), uploaded by jim_keesling source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Michael J. Oldham, some rights reserved (CC BY-NC), uploaded by Michael J. Oldham source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© theo_witsell, some rights reserved (CC BY-NC), uploaded by theo_witsell source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plantno rights reserved, uploaded by John Kees source CC0 | Original Image ⭷

Feedback

See something wrong or missing on about Crataegus calpodendron? 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.