. Concord area trees and shrubs. Botany; Trees; Shrubs. COCKSPUR THORN Crataegus crus-galli Leaf base narrow. Leaves essentially unlobed, mostly less than 3 cm. wide, glossy above. Fruit with 1-3 nutlets. Calyx lobes untoothed. Small tree. Uncommon. LONG-SPINED THORN Crataegus macracantha â or C. succulents var. macracantha) Leaf base narrowed. Leaves sometimes with small lobes and mostly wider than 3 cm., often glossy above. Fruit with 2-3 nutlets. Calyx lobes toothed. Small tree or stout shrub. Uncommon. SINGLE-SEED HAWTHORN COCKSPUR THORN. Please note that these images are extracted from sc
. Concord area trees and shrubs. Botany; Trees; Shrubs. COCKSPUR THORN Crataegus crus-galli Leaf base narrow. Leaves essentially unlobed, mostly less than 3 cm. wide, glossy above. Fruit with 1-3 nutlets. Calyx lobes untoothed. Small tree. Uncommon. LONG-SPINED THORN Crataegus macracantha â or C. succulents var. macracantha) Leaf base narrowed. Leaves sometimes with small lobes and mostly wider than 3 cm., often glossy above. Fruit with 2-3 nutlets. Calyx lobes toothed. Small tree or stout shrub. Uncommon. SINGLE-SEED HAWTHORN COCKSPUR THORN. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Angelo, Ray, 1948-; Angelo, Ray, 1948-. Cambridge, Mass. : Concord Field Station, Museum of Comparative Zoology, Harvard University
Size: 1306px × 1914px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, booksubjec, booksubjectbotany, booksubjectshrubs
