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Transcription
Preliminary Key to the Vascular Plants of the
Pacific Ocean Biological Survey Program Area
Keys and Descriptions of Vascular Plants divided into 5 categories: la-lf.
Herbaceous plants with parallel leaf venation, leaves basal with no
leafy stem apparent...........................................la.
Herbaceous and woody plants with other than parallel venation, leaves
basal or more commonly borne along a stem.....................lb.
Vines - commonly with leaves borne along a stem or leafless....lc.
Herbaceous plants with other than parallel venation, leaves basal
or more commonly borne along a stem, very small flowers (florets)
compressed into a tight head or cluster.......................ld.
Plant palmlike or pinelike.....................................le.
Ferns (or leafless plants with three angled stems)..............lf.
la A. Plants with basal rosette of leaves, flowers on spike-like inflores-
cence, petals b...............................................Plantaginaceae
Plantago (1).
AA. Plants with basal clusters of leaves, florets on spike-like inflores-
cence, a grass like appearance...............................B.
B. Plants with round, hollow stems.............................Gramineae (2-16)