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- Gillenieae genusCrataegus Show Lower Taxa Crataegus laurentiana, Crataegus persimilis, Crataegus sect. Brevispinae, Crataegus sect. Coccineae, Crataegus sect21 KB (2,479 words) - 15:24, 9 December 2021
- Amygdaloideae tribeRosaceae tribe Gillenieae genusCrataegus speciesCrataegus persimilis Sargent Proc. Rochester Acad. Sci. 4: 94. 1903. James B. Phipps Common6 KB (675 words) - 22:54, 5 November 2020
- Macracanthae form putative hybrids with members of ser. Crus-galli (Crataegus persimilis), ser. Parvifoliae (C. ×vailiae), ser. Pruinosae (C. chadsfordiana Sargent)7 KB (393 words) - 23:00, 5 November 2020
- lobing and, thus, no veins to sinuses. The interserial hybrids Crataegus persimilis and C. ×sicca key out at couplets 16 and 20, respectively; C. turnerorum25 KB (651 words) - 23:00, 5 November 2020
- fecunda. E. J. Palmer (1925) cited well over 100 names for the series (C. persimilis, which keys out in the second couplet below, is an interserial hybrid)7 KB (683 words) - 23:00, 5 November 2020
- extinct. Crataegus fecunda is similar to glabrous-inflorescence forms of C. persimilis; it always has sharper and more prominent leaf marginal teeth, usually5 KB (525 words) - 23:00, 5 November 2020
- Nevertheless, persisting populations of some (for example, Crataegus persimilis) may be readily found. The fifteenth example (C. turnerorum) is a well-collected7 KB (821 words) - 22:53, 5 November 2020