biform
Example Sentences
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Leaves in fascicles of 3, 4 or 5, not exceeding 24 cm. in length; resin-ducts internal, often with one or two medial ducts, hypoderm biform, endoderm usually with thin outer walls.
From The Genus Pinus by Shaw, George Russell
Leaves ternate, from 8 to 16 cm. long; resin-ducts medial or with one or more internal ducts, hypoderm biform.
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 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
Leaves binate, from 5 to 9 cm. long; resin-ducts medial, or with an occasional internal duct, hypoderm biform when of82 two rows of cells.
From The Genus Pinus by Shaw, George Russell
