Key to Zosteraceae

View taxon page for Zosteraceae

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Dioecious; attached by short, tuber-like rhizomes; to coastal, wave-swept rocks; leaves generally tufted on rhizomes at 

nodes 

Position on a stem from which one or more structures (especially leaves, buds, branches, or flowers) arise.

; fruit beaked, base with 2 horn-like 

lobes 

1. A major expansion or bulge, such as on the margin of a leaf, sepal, or petal, or on the surface of an ovary. 2. The free tips of otherwise fused structures, such as sepals or petals; larger than teeth.

..... PHYLLOSPADIX

1' Monoecious; attached by long, slender, creeping rhizomes to bottoms of bays, estuaries, generally deep waters below wave action; leaves not tufted on rhizomes; fruit ± not beaked, base ± 

truncate 

Abruptly (not gradually) narrower or smaller at base or tip, as if cut straight across or nearly so.

, unlobed ..... ZOSTERA

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