biform

Example Sentences

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Leaves in fascicles of 3, from 20 to 45 cm. long, rigid; resin-ducts internal, hypoderm biform, endoderm with thin outer walls.

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

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 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

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