biform
Example Sentences
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Leaves in fascicles of 2 to 5, from 15 to 22 cm. long; resin-ducts internal, hypoderm biform, endoderm with thin outer walls.
From The Genus Pinus by Shaw, George Russell
Among Hard Pines there is no Old World species with a biform hypoderm.
From The Genus Pinus by Shaw, George Russell
Leaves ternate, from 7 to 14 cm. long; resin-ducts medial, or with an occasional internal duct, hypoderm biform.
From The Genus Pinus by Shaw, George Russell
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 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
