Mindblown: a blog about philosophy.
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Phyllotaxy
Arrangement of leaves on a stem or branch. Arrangement of leaves on stem.
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Phyllopodium
(In ferns) small outgrowth of rhizome to which the leaf is attached, the portion of the stipe that remains attached to the rhizome.
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Phyllopodic
With blade-bearing leaves only at the base of the plant.
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Phyllomorph
(In Gesneriaceae) a leaf blade and its petiole, but the petiole with more elaborate morphology including the ability to produce other phyllomorphs or inflorescences; phyllomorphs are capable of growth over more than one season and may lose their distal end but keep growing at the base.
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Phyllodic leaf base
Petiole that takes on the functions of a leaf, being flattened and leaf-like.
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Phyllode
A laterally flattened photosynthetic blade; for example, in many Australian Acacia, the expanded petiole, with the rachis and pinnae (of an otherwise bipinnate leaf) undeveloped or underdeveloped or falling early. A leaflike petiole of a bladeless leaf, as in some Acacia. A petiole that develops into a flattened expansion taking the place of a leaf.…
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Phylloclade
Portion of stem or branch (several nodes and internodes) flattened and expanded to serve the functions of a leaf. A photosynthetic portion of a stem that is flattened and expanded to serve the function of a leaf. Leaf-stalks that are flattened and resemble leaves.
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Phyllichnium
(In Casuarinaceae) the ridge of a branchlet segment.
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Phyllary (plural phyllaries)
(In Compositae/Asteraceae) one or more of the bracts surrounding the capitulum and forming the involucre. One of the bracts below the flower head in members of the sunflower family. One of the bracts surrounding a capitulum forming the involucre in Asteraceae and other plants with capitulate inflorescences. One of a cluster of bracts (the involucre)…
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Phylad
A phylogenetic line, essentially equal to a clade.
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