biform
Example Sentences
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Leaves in fascicles of 2, from 9 to 12 cm. long; resin-ducts medial, hypoderm weak, sometimes of a single row, biform when of two rows, endoderm with thin outer walls.
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, 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 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 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
