biform
Example Sentences
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Leaves ternate, from 12 to 20 cm. long; resin-ducts medial or medial and internal, hypoderm biform.
From The Genus Pinus by Shaw, George Russell
Leaves binate or ternate, from 3 to 7 cm. long; resin-ducts medial, or with an occasional internal duct, hypoderm biform.
From The Genus Pinus by Shaw, George Russell
Leaves in fascicles of 3, from 12 to 25 cm. long; resin-ducts medial, sometimes with an internal duct, hypoderm biform, endoderm with thin outer walls.
From The Genus Pinus by Shaw, George Russell
Leaves ternate, from 15 to 25 cm. long; resin-ducts internal or with an occasional septal duct, hypoderm biform, in thick masses, often projecting far into the green tissue and sometimes touching the endoderm.
From The Genus Pinus by Shaw, George Russell
Leaves in fascicles of 3, 4 or 5, from 15 to 30 cm. long, erect; resin-ducts mostly septal, sometimes internal, hypoderm biform or multiform.
From The Genus Pinus by Shaw, George Russell