Betulaceae subfam. Coryloideae
Deut. Dendrol., 106. 1893
Treatment appears in FNA Volume 3.
Trunk and branches terete. Bark thin, close or becoming furrowed or broken into plates; lenticels not conspicuous. Bark and wood tanniferous. Young twigs and buds usually without prominent, large, resinous glands; pith circular to remotely triangular in cross section. Leaves 2-ranked. Staminate flowers: perianth absent. Pistillate flowers 2 per bract; perianth adnate to ovary, often visible as membranaceous fringe at summit; ovules with 2 integuments. Infructescences usually longer than 4 cm, consisting of relatively uncrowded clusters with large, nearly foliaceous bracts; bracts deciduous with fruits. Fruits tiny to moderately large nuts, not winged; pericarp thick and bony.
Primarily boreal and cool temperate zones of Northern Hemisphere
Genera 4, species ca. 45 (3 genera, 7 species in the flora).
Facts about "Betulaceae subfam. Coryloideae"
|Author||John J. Furlow +|
|Distribution||Primarily boreal and cool temperate zones of Northern Hemisphere +|
|Illustration copyright||Flora of North America Association +|
|Illustrator||John Myers +|
|Publication title||Deut. Dendrol., +|
|Publication year||1893 +|
|Source xml||https://firstname.lastname@example.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse grained fna xml/V3/V3 313.xml +|
|Taxon family||Betulaceae +|
|Taxon name||Betulaceae subfam. Coryloideae +|
|Taxon parent||Betulaceae +|
|Taxon rank||subfamily +|
|Volume||Volume 3 +|