Lechea maritima

Leggett ex Britton

Catal. Fl. New Jersey, 13. 1881.

Common names: Beach or hoary or seaside pinweed
Endemic
Synonyms: Lechea minor var. maritima (Leggett ex Britton) A. Gray
Treatment appears in FNA Volume 6. Treatment on page 393. Mentioned on page 391.

Herbs, perennial. Stems: basal produced; flowering erect or procumbent to ascending, 15–35 cm, densely sericeous. Leaves of flowering stems whorled; blade narrowly elliptic to oblanceolate, 7–25 × 1.2–4 mm, apex acute, abaxial surface pilose, adaxial glabrous or sparsely pilose. Pedicels 1 per axil, 1–1.5 mm. Flowers: calyx 1.6–2.1 mm, outer sepals shorter than to ± equaling inner. Capsules subglobose to broadly ovoid, 1.3–2.1 × 1.5–1.9 mm, shorter than calyx. Seeds 2–5(–6).

Distribution

V6 732-distribution-map.jpg

N.B., P.E.I., Conn., Del., Maine, Mass., Md., N.C., N.H., N.J., N.Y., R.I., Va.

Discussion

Varieties 3 (3 in the flora).

The varieties of Lechea maritima show appreciable overlap in many vegetative features but can be readily distinguished by the characters used here.

Selected References

None.

Key

1 Flowering stems mostly branching distal to middle; outer sepals nearly equaling inner Lechea maritima var. subcylindrica
1 Flowering stems mostly branching proximal to middle; outer sepals shorter than inner > 2
2 Seeds 3–4(–5), weakly 3-sided or 2-sided and convex; stems erect to procumbent, 1–2.5 mm diam.; sepals usually strongly maroon tinged, sometimes brown. Lechea maritima var. maritima
2 Seeds 2(–3), 2-sided and flat or convex; stems procumbent to ascending, 2–4 mm diam.; sepals usually brown, sometimes maroon tinged. Lechea maritima var. virginica