Illustrator: John Myers

Copyright: Flora of North America Association

Herbs; nodes with 2 rows of 3–5 roots. Leaves: sheath 4–35 cm, margins not overlapping; blade to 2 m × 1–4 mm, margins entire, apex obtuse to truncate or rarely slightly notched; veins 3. Generative shoots 0.2–11 cm, nodes 1–2, proximal node when present with 1 leaf, sterile, distal node with 1 leaf and 1(–2) spathes. Inflorescences: peduncles 11–60 × 1–2 mm; staminate bract 4–5.5 × 2–3 mm; pistillate bract 4–8 × 1.5–3 mm, base not narrowed, apex truncate to acute. Fruits 4–5 × 5.5 mm.

Phenology: Flowering and fruiting late spring and summer.
Habitat: Intertidal and upper part of sublittoral
Elevation: -2 m

Distribution

• Generated Map
• Legacy Map

B.C., Alaska, Calif., Oreg., Wash., Mexico (in Baja California).

Discussion

Selected References

Barnabas, A. D. 1994. Anatomical, histochemical and ultrastructural features of the seagrass Phyllospadix scouleri Hook. Aquatic Bot. 49: 167--182.

Lower Taxa

None.