Flora of North America species comparison

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Crataegus monogyna

Crataegus coccinioides

aubépine monogyne, common hawthorn, English hawthorn, hawthorn, one-seed hawthorn, singleseed hawthorn

Kansas hawthorn
Habit Shrubs or trees, 40–70 dm.
Stems

twigs: new growth ± reddish at first, glabrous or pilose, 1-year old shiny, dark brown to sometimes tan, 2-years old deep gray, older paler;

thorns numerous, usually ± recurved, 2-years old blackish, shiny, 3–6 cm.
Leaves

petiole length 30–50% blade, glabrous or sparsely hairy, usually sparsely glandular, sometimes eglandular;

blade usually ovate, sometimes very broadly ovate, to ovate-deltate, (4–)5–9(–11) cm, base broadly cuneate, ± truncate, or subcordate (broader leaves), lobes 3–5 per side, sinuses shallow, lobe apex acute, margins serrate or sharply serrate, veins 5–7 per side, apex acute, abaxial surface glabrous, veins glabrous or tomentose, adaxial glabrous or pubescent.
Inflorescences

5–12-flowered;

branches glabrous or densely pubescent;

bracteoles hyaline to red-tinged, oblong to curved, membranous to semiherbaceous, margins glandular.
Flowers

20–25 mm diam.;

hypanthium glabrous or pubescent;

sepals 6–8 mm;

stamens 20, anthers white, rose, or red;

styles (4 or)5.
Pomes

bright pink to crimson, suborbicular, 10–20(–25) mm diam., often ± pruinose;

sepals spreading or ± reflexed, not on collar;

pyrenes 5.
2n

= 51.

Crataegus monogyna

Crataegus coccinioides
Phenology Flowering Apr–May; fruiting Sep–Oct.
Habitat Brush, successional fields, pastures, woodland margins
Elevation 50–300 m (200–1000 ft)
Distribution
from FNA
CA; CO; CT; DE; IL; IN; MA; ME; MI; MN; NH; NJ; NY; OH; OR; PA; RI; VT; WA; WI; BC; NB; NS; ON; PE; QC; Europe; w Asia; n Africa [Introduced also in South America, s Africa, Pacific Islands, Australia]
[WildflowerSearch map]
[BONAP county map]
from FNA
AR; IL; IN; KS; KY; MA; MO; NY; OH; PA; ON; QC
[WildflowerSearch map]
[BONAP county map]
Discussion

Varieties 2 (1 in the flora).

Crataegus monogyna was introduced early to North America to be used for agricultural hedges, a practice now discontinued on this continent.

Cultivar 'Crimson Cloud,' often under an incorrect species name, is widely cultivated as an ornamental.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Crataegus coccinioides occurs from the southwestern Midwest to New England and southern Quebec. Records from Vermont and Oklahoma are unconfirmed.

Crataegus coccinioides, in typical plants, has 20 rose-colored anthers and more or less glabrous parts. The opposite characteristics (white anthers, very hairy parts) are found in C. declivitatis. Another white-anthered form is C. conspecta. Somewhat similar to the latter is C. locuples, while C. dilatata is more of an intermediate type. Combinations of these varying characteristics can be found both in Missouri and the Niagara Peninsula of Ontario in various mixes. When in fruit, pruinosity and the pink-crimson color differentiate C. coccinioides from members of ser. Coccineae, which are scarlet or deeper red. Crataegus coccinioides also has somewhat more coriaceous leaf blades than ser. Coccineae, with the toothing more continuous, almost to the petiole, and much more conspicuous bracteoles.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 9, p. 497. FNA vol. 9, p. 579.
Parent taxa Rosaceae > subfam. Amygdaloideae > tribe Maleae > Crataegus > sect. Crataegus > ser. Crataegus Rosaceae > subfam. Amygdaloideae > tribe Maleae > Crataegus > sect. Coccineae > ser. Dilatatae
Sibling taxa
C. aemula, C. aestivalis, C. alabamensis, C. alleghaniensis, C. annosa, C. aprica, C. aquacervensis, C. ashei, C. atrovirens, C. attrita, C. austromontana, C. beata, C. berberifolia, C. biltmoreana, C. brachyacantha, C. brainerdii, C. brazoria, C. brittonii, C. buckleyi, C. calpodendron, C. castlegarensis, C. chrysocarpa, C. coccinea, C. coccinioides, C. cognata, C. collina, C. colonica, C. communis, C. compacta, C. condigna, C. craytonii, C. crocea, C. crus-galli, C. cupressocollina, C. delawarensis, C. dispar, C. dodgei, C. douglasii, C. egens, C. egregia, C. enderbyensis, C. erythropoda, C. exilis, C. eximia, C. extraria, C. fecunda, C. flabellata, C. flava, C. florens, C. floridana, C. florifera, C. fluviatilis, C. formosa, C. frugiferens, C. furtiva, C. gattingeri, C. gaylussacia, C. gilva, C. greggiana, C. harbisonii, C. holmesiana, C. ignava, C. incilis, C. integra, C. intricata, C. invicta, C. iracunda, C. irrasa, C. jesupii, C. jonesiae, C. lacrimata, C. laevigata, C. lanata, C. lancei, C. lanuginosa, C. lassa, C. laurentiana, C. leonensis, C. lepida, C. levis, C. lumaria, C. macracantha, C. macrosperma, C. magniflora, C. margarettae, C. marshallii, C. mendosa, C. meridiana, C. mira, C. mollis, C. munda, C. nananixonii, C. neobushii, C. nitida, C. oakesiana, C. okanaganensis, C. okennonii, C. opaca, C. opima, C. orbicularis, C. ouachitensis, C. padifolia, C. pennsylvanica, C. persimilis, C. pexa, C. phaenopyrum, C. phippsii, C. pinetorum, C. populnea, C. prona, C. pruinosa, C. pulcherrima, C. punctata, C. purpurella, C. quaesita, C. reverchonii, C. rivularis, C. rivuloadamensis, C. rivulopugnensis, C. roribacca, C. rubella, C. rubribracteolata, C. saligna, C. sargentii, C. scabrida, C. schizophylla, C. schuettei, C. segnis, C. senta, C. sheila-phippsiae, C. sheridana, C. shuswapensis, C. sororia, C. spathulata, C. spes-aestatum, C. stolonifera, C. stonei, C. submollis, C. suborbiculata, C. succulenta, C. tecta, C. teres, C. texana, C. tracyi, C. triflora, C. turnerorum, C. uniflora, C. ursopedensis, C. venusta, C. viridis, C. visenda, C. wattiana, C. williamsii, C. wootoniana, C. ×atrorubens, C. ×bicknellii, C. ×coleae, C. ×collicola, C. ×disperma, C. ×dispessa, C. ×fretalis, C. ×incaedua, C. ×kelloggii, C. ×latebrosa, C. ×lucorum, C. ×rufula, C. ×sicca, C. ×vailiae
C. aemula, C. aestivalis, C. alabamensis, C. alleghaniensis, C. annosa, C. aprica, C. aquacervensis, C. ashei, C. atrovirens, C. attrita, C. austromontana, C. beata, C. berberifolia, C. biltmoreana, C. brachyacantha, C. brainerdii, C. brazoria, C. brittonii, C. buckleyi, C. calpodendron, C. castlegarensis, C. chrysocarpa, C. coccinea, C. cognata, C. collina, C. colonica, C. communis, C. compacta, C. condigna, C. craytonii, C. crocea, C. crus-galli, C. cupressocollina, C. delawarensis, C. dispar, C. dodgei, C. douglasii, C. egens, C. egregia, C. enderbyensis, C. erythropoda, C. exilis, C. eximia, C. extraria, C. fecunda, C. flabellata, C. flava, C. florens, C. floridana, C. florifera, C. fluviatilis, C. formosa, C. frugiferens, C. furtiva, C. gattingeri, C. gaylussacia, C. gilva, C. greggiana, C. harbisonii, C. holmesiana, C. ignava, C. incilis, C. integra, C. intricata, C. invicta, C. iracunda, C. irrasa, C. jesupii, C. jonesiae, C. lacrimata, C. laevigata, C. lanata, C. lancei, C. lanuginosa, C. lassa, C. laurentiana, C. leonensis, C. lepida, C. levis, C. lumaria, C. macracantha, C. macrosperma, C. magniflora, C. margarettae, C. marshallii, C. mendosa, C. meridiana, C. mira, C. mollis, C. monogyna, C. munda, C. nananixonii, C. neobushii, C. nitida, C. oakesiana, C. okanaganensis, C. okennonii, C. opaca, C. opima, C. orbicularis, C. ouachitensis, C. padifolia, C. pennsylvanica, C. persimilis, C. pexa, C. phaenopyrum, C. phippsii, C. pinetorum, C. populnea, C. prona, C. pruinosa, C. pulcherrima, C. punctata, C. purpurella, C. quaesita, C. reverchonii, C. rivularis, C. rivuloadamensis, C. rivulopugnensis, C. roribacca, C. rubella, C. rubribracteolata, C. saligna, C. sargentii, C. scabrida, C. schizophylla, C. schuettei, C. segnis, C. senta, C. sheila-phippsiae, C. sheridana, C. shuswapensis, C. sororia, C. spathulata, C. spes-aestatum, C. stolonifera, C. stonei, C. submollis, C. suborbiculata, C. succulenta, C. tecta, C. teres, C. texana, C. tracyi, C. triflora, C. turnerorum, C. uniflora, C. ursopedensis, C. venusta, C. viridis, C. visenda, C. wattiana, C. williamsii, C. wootoniana, C. ×atrorubens, C. ×bicknellii, C. ×coleae, C. ×collicola, C. ×disperma, C. ×dispessa, C. ×fretalis, C. ×incaedua, C. ×kelloggii, C. ×latebrosa, C. ×lucorum, C. ×rufula, C. ×sicca, C. ×vailiae
Subordinate taxa
C. monogyna var. monogyna
Synonyms C. callicarpa, C. conspecta, C. declivitatis, C. dilatata, C. locuples, C. speciosa
Name authority Jacquin: Fl. Austriac. 3: 50, plate 292, fig. 1. (1775) Ashe: J. Elisha Mitchell Sci. Soc. 16: 74. (1900)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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