Crataegus lassa Beadle var. lassa . Phen: Late Mar-Apr; Aug-Sep. Hab: Pine forests, oak-pine scrub, upland scrublands, xeric woodlands, especially in deep sand and soils of rapid drainage. Dist: Central NC south to n. FL, west to s. AL.
Origin/Endemic status: Endemic
Taxonomy Comments: Crataegus lassa and its varieties as defined here include a range of minor species described by Beadle; all have been synonymized under the C. flava Aiton name in many previous flora treatments. What may represent intermediates are Crataegus meridiana Beadle (possibly of mixed origin with Crataegus ravenelii Sargent), Crataegus inopina Beadle (intermediate of varieties lassa and recurva), and Crataegus vicana Beadle.
Synonymy: = Lance (2014); = Crataegus lassa Beadle – FNA9; > Crataegus arguta Beadle – S13; < Crataegus flava Aiton – RAB; >< Crataegus flava Aiton – K1; > Crataegus illudens Beadle – S13; > Crataegus lassa Beadle – S13; > Crataegus meridiana Beadle – S13; > Crataegus michauxii Pers. – S, S13; > Crataegus pearsonii Ashe – K1