Sesuvium trianthemoides

Correll

Rhodora 68: 422. 1966.

Common names: Texas sea-purslane
Endemic
Treatment appears in FNA Volume 4. Treatment on page 81. Mentioned on page 80.

Plants annual, papillate with crystalline globules occasional, glabrous. Stems prostrate, branched, 1–4 dm. Leaves: petiole clasping, broadly scarious-winged at base; blade oblanceolate to spatulate, 3–5 cm, widest distally, base tapered. Inflorescences: flowers solitary; pedicel absent. Flowers: calyx lobes triangular-ovate, with small apical appendages, 3.5 mm; stamens 5; filaments 1 mm; pistil 2-carpellate; ovary 2-loculed; styles 2. Capsules ovoid-ellipsoid, 4.5 mm. Seeds 10, brown, 1.5 mm, rugose with granular ridges.


Phenology: Flowering summer (Jun–Aug).
Habitat: Wet depressions in coastal sand dunes
Elevation: 0-4 m

Discussion

Apparently Sesuvium trianthemoides is known only from the type locality. Additional investigation may reveal this entity should be included in S. maritimum.

Selected References

None.

Lower Taxa

None.

"widest" is not a number."dm" is not declared as a valid unit of measurement for this property.

... more about "Sesuvium trianthemoides"
Wayne R. Ferren Jr. +
Correll +
tapered +
oblanceolate +  and spatulate +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
triangular-ovate +
3.5 cm35 mm <br />0.035 m <br /> (?) +
ovoid-ellipsoid +
4.5 cm45 mm <br />0.045 m <br /> (?) +
Texas sea-purslane +
1 cm10 mm <br />0.01 m <br /> (?) +
pedicellate +  and sessile +
inconspicuous +  and showy +
campanulate +  and tubular +
indehiscent +, circumscissile +, dehiscence +, septicidal +  and loculicidal +
ovoid +  and obconic +
Wet depressions in coastal sand dunes +
petiolate +  and sessile +
half-inferior +
0 +  and 60 +
connate +  and distinct +
scarious-winged +
Flowering summer (Jun–Aug). +
dull +  and shiny +
reniform +
1.5 cm15 mm <br />0.015 m <br /> (?) +
mat-forming +
underground +
prostrate +  and erect +
adnate +  and free +
connate +  and distinct +
papillate +
Sesuvium trianthemoides +
Sesuvium +
species +