Key to Ruppia
View taxon page for Ruppia
(For a list of species in Ruppia, use the above link.)
Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.
1. Peduncle in
fruit 30–300 mm, coils 5–30;
leaf Organ arising from a stem, generally composed of a stalk (petiole) and a flat, expanded, green, photosynthetic area (blade); distinguished from a leaflet by the presence in its axil of a bud, branch, thorn, or flower; sometimes with lateral, basal appendages (stipules); either simple (toothed, lobed, or dissected but not divided into leaflets) or compound (divided into leaflets).
tip
acute Having a short-tapered, sharp tip, the sides convex or straight and converging at less than a right angle.
..... R. cirrhosa 1' Peduncle in fruit 2–25 mm, coils 0–4; leaf tip ±
obtuse Having a short-tapered, blunt tip or base, the sides convex or straight and converging at more than a right angle.
..... R. maritima
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