Callitriche trochlearis
Rhodora 53: 194. 1951.
Common names: Effluent water-starwort
EndemicConservation concern
Leaves connate at base, ± parallel-sided, 5.2–9.1 × 0.1–0.9 mm, 1+-veined. Stem and leaf scales present. Inflorescences: bracts persistent. Pedicels 0–0.5 mm in fruit. Flowers usually 1 staminate and 1 pistillate in each axil; styles spreading; pollen yellow. Schizocarps 1–1.2 × 1.1–1.3 mm, ± as long as wide; mericarps black, not swollen, evenly winged throughout, wings straight, 0.05–0.1 mm wide. 2n = 40.
Phenology: Flowering Apr–Jul.
Habitat: Vernal and perennial pools, ditches.
Elevation: 0–2000 m.
Discussion
Callitriche trochlearis occurs in northwestern and central-western California plus western Oregon.
Selected References
None.
Lower Taxa
None.
... more about "Callitriche trochlearis"
hypogynous +
simple +
persistent +
absent +
absent +
symmetric +
Effluent water-starwort +
symmetric +
drupe-like +
absent +
glabrous +
abaxial +
unisexual +
separating +
pistillate +
axillary +
connate +
cauline +
absent +
notched +
winged +
black +
not swollen +
basal +
superior +
spiciform +
absent +
hypogynous +
connate +
absent +
absent +
2-carpellate +
yellow +
Rhodora +
1951 +
absent +
1.1mm;1.3mm +
1;300 +
absent +
absent +
equal +
reclining;pendent;spreading;arching;erect;ascending;erect;ascending;decumbent +
absent +
simple +
terete +
absent +
spreading +
Callitriche trochlearis +
Callitriche +
species +
perennial +
submersed +
autotrophic +
fleshy +
partial +
straight +
absent +
0.05mm;0.1mm +